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About
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Advanced Care
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More About How-Tos
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Seasonal Tips
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Pests & Diseases
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More Info
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New Plant Care

How to Care for Lemon Balm

Lemon balm (Melissa officinalis) is an herbaceous perennial famous for its essential oils and mild scent. Its oils and extracts are widely used in perfume and beauty products, as well as household cleaning products. Lemon balm can be cultivated as an ornamental plant that also attracts honeybees. It has been grown and cultivated by humans since at least the 16th century.
symbolism

Symbolism

Longevity, Purification, Love, virtue, compassion
Water
Water
Every week
Sunlight
Sunlight
Full sun
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Lemon balm
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Lemon balm
Lemon balm
Lemon balm
care_advanced_guide

Advanced Care Guide

PlantCare:TransplantSummary

How to Transplant Lemon balm?

Lemon balm ideally flourishes when transplanted during mid-spring to early summer, as this period offers optimal growing conditions. Choose a sunny or partially shaded location with well-draining soil. If necessary, enrich the soil with organic matter prior to transplanting for better growth.
PlantCare:TransplantSummary
Cultivation:PottingSuggestions

How to Repot Lemon balm?

Needs excellent drainage in pots.
Cultivation:PottingSuggestions
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More Info on Lemon Balm Growth and Care

Basic Care Guide
Common Pests & Diseases
Explore More
Water
Every week
Lemon balm hails from regions in the Mediterranean, Western Asia, and South Europe where weather conditions involve humidity and natural soil moisture due to consistent, moderate rainfall. Such constant hydration without waterlogging frames lemon balm's watering preferences. Emulating this requires regular, light watering, enough to keep the soil moist but not drowned, signifying an innate tolerance for relatively higher moisture levels compared to dry-climate plants.
Watering Techniques
Lighting
Full sun
Lemon balm thrives when exposed to abundant sunlight throughout the day, though it can also get by in slightly shadowed spots. Its origins in open meadows contribute to its sun-loving disposition. Overexposure may result in leaf scorching, while insufficient exposure could hinder its robust growth and vitality.
Best Sunlight Practices
Temperature
0 38 ℃
Lemon balm originates from regions where the temperatures are typically 68 to 95 °F (20 to 35 ℃). This indicates a distinct preference for a warmer climate. For optimum growth, adjust temperatures to meet these preferences whenever possible.
Temp for Healthy Growth
Transplant
1-2 feet
Lemon balm ideally flourishes when transplanted during mid-spring to early summer, as this period offers optimal growing conditions. Choose a sunny or partially shaded location with well-draining soil. If necessary, enrich the soil with organic matter prior to transplanting for better growth.
Transplant Techniques
Brown blotch
Brown spot is a common fungal disease that affects various plants, including Lemon balm. It manifests as brown or tan spots on the leaves, leading to reduced plant vigor and potential death if left untreated.
Learn More About the Disease
Wilting
Wilting is a plant disease causing loss of rigidity in Lemon balm's parts, particularly its leaves, leading to drooping. This is largely attributed to pathogenic infections or environmental stress, severely impacting the plant's growth, health and productivity.
Learn More About the Disease
Leaf rot
Leaf rot is a common disease in Lemon balm that causes wilting, discoloration, and eventual death of plant tissues. It's caused by various pathogenic fungi and facilitated by certain environmental conditions, making it potentially lethal if uncontrolled.
Learn More About the Disease
Feng shui direction
East
Lemon balm harmonizes well with East-facing spaces, as it symbolizes growth, renewal and tranquility. This direction is associated with the Wood element, which lemon balm is said to enhance with its lush foliage, promoting balance and positive energy flow throughout the environment.
Fengshui Details
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Seasonal Care Tips

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Spring

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Summer

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Fall

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Winter

This plant requires some care in the spring.

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1
Every few years, divide large plants at the roots.
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2
Spring is also the time to sow seeds. Choose a sunny location and cover the seeds with about one inch of soil and water thoroughly.
more
3
When new growth begins emerging, an application of all-purpose, balanced fertilizer will provide the necessary nutrients.
more
4
Don’t forget to water when the top layer of soil begins drying out.
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5
Ensure the plant is receiving plenty of sunlight during the day.

The leaves on the plant do not thrive in bright sunshine in the summer.

more
1
Keep container plants in a shaded area.
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2
Check the soil moisture level and increase watering frequency when rainfall is scarce. The soil may need checking daily to ensure it is not drying out.
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3
Keep an eye out for slugs, and other garden pests, especially if there is mulch around the plant.
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4
Cut back any spent flowers and remove any plant debris from the area.
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5
Continue regular fertilizing to help support fall flowering.

Continue watering and fertilizing your plant as long as it grows during the early fall season.

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1
Once the plants have entered a dormant stage, you can prune them back down to the ground; then, reduce watering.
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2
Use a balanced, all-purpose fertilizer regularly until the colder weather causes the plant to go dormant, then stop fertilizing.
more
3
Ensure the plant still has plenty of sun during this time, placing them in locations that have full or partial sunlight.
more
4
At the end of fall, after a hard frost, you can sow the seeds for your plant to propagate more plants.

As this plant goes dormant in cold weather, there’s not much care required for this plant. It's best to provide them with cold protection, however.

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1
After cutting back the stems, you can cover the beds with tarp or mulch to add a barrier against the chill winter winds and frost.
more
2
Only water indoor or warmer-climate plants once the soil becomes dry to the touch, but for the most part you should leave this plant to itself during this season after providing it some shelter from the cold.
care_pet_and_diseases

Common Pests & Diseases

Common issues for Lemon balm based on 10 million real cases
Brown blotch
Brown blotch Brown blotch
Brown blotch
Brown spot is a common fungal disease that affects various plants, including Lemon balm. It manifests as brown or tan spots on the leaves, leading to reduced plant vigor and potential death if left untreated.
Wilting
Wilting Wilting
Wilting
Wilting is a plant disease causing loss of rigidity in Lemon balm's parts, particularly its leaves, leading to drooping. This is largely attributed to pathogenic infections or environmental stress, severely impacting the plant's growth, health and productivity.
Leaf rot
Leaf rot Leaf rot
Leaf rot
Leaf rot is a common disease in Lemon balm that causes wilting, discoloration, and eventual death of plant tissues. It's caused by various pathogenic fungi and facilitated by certain environmental conditions, making it potentially lethal if uncontrolled.
Leaf beetles
Leaf beetles Leaf beetles
Leaf beetles
Leaf beetles are a class of colored insects 1 to 2 cm in size. They gnaw on leaves and petals resulting in small, round holes scattered over the surface.
Solutions: For less serious cases: Remove beetles, nymphs, and eggs. Remove all life stages of the beetles and kill them by placing them in a bucket of warm, soapy water. This can be done more easily by placing the bucket under affected leaves and shaking the plant. This method is most effective in the afternoon when leaf beetles are more active. Always dispose of insects in a sealed bag or container to avoid escape and spread. To treat more serious infestations: Apply organic insecticides. Use naturally-derived insecticides before moving on to synthetic insecticides. Neem oil and pyrethrum are naturally-derived insecticides that should be applied following label instructions. Apply synthetic insecticides. Examples of insecticides effective for leaf beetles include carbaryl, permethrin, and bifenthrin. Apply insecticides according to label instructions.
Sap-sucking insects
Sap-sucking insects Sap-sucking insects
Sap-sucking insects
Sap-sucking insects can create dense clusters of small yellow or white spots on the leaves.
Solutions: Sap-sucking insects can be hard to spot, as they are often small and attach to the undersides of plant leaves. If you see signs of an infestation, follow these steps to eradicate it. Hand-pick bugs and remove eggs: Inspect your plants for insects and drop any you find in a container of soapy water. Look carefully at the undersides of plant leaves and squish any egg clusters you find. Use Insecticide: Targeted spraying can take out sap-sucking insects. Small infestations can be controlled with insecticidal soap, though larger outbreaks might require a stronger spray. Introduce natural predators: Many insects, including ladybugs and praying mantises, love to feast on sap-suckers. You can purchase them at garden stores and release them near infected plants, or encourage wild ones by creating habitat space.
Thrips
Thrips Thrips
Thrips
Thrips are 1 to 2 mm bugs with slender black or translucent-yellow bodies. They move quickly and feed on the plant's sap.
Solutions: Thrips can be controlled in several ways. Spray plants with Pyrethrin, which is an organic pesticide derived from marigolds (follow label instructions) or Permethrin, the synthetic version of Pyrethrin. Introduce beneficial insects to the garden that eat thrips, such as minute pirate bugs and green lacewings. Remove heavily infested plants from the area and discard. Address viral diseases that may have been transmitted by the pests. For less serious cases -use a hose to spray the thrips off of the plants.
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Brown blotch
Overview
Symptom
Causes
Treatment
Prevention
Active Period
What is Brown blotch Disease on Lemon balm?
What is Brown blotch Disease on Lemon balm?
Brown spot is a common fungal disease that affects various plants, including Lemon balm. It manifests as brown or tan spots on the leaves, leading to reduced plant vigor and potential death if left untreated.
Symptom Analysis
Symptom Analysis
Lemon balm leaves develop numerous small, circular brown, or tan spots. These later merge to form larger patches. If the infection is severe, leaves may yellow and eventually drop off, reducing plant vigor.
What Causes Brown blotch Disease on Lemon balm?
What Causes Brown blotch Disease on Lemon balm?
1
Fungus
Cercospora species are responsible for causing Brown spot disease. This fungus survives in plant debris and is spread by water splash and wind.
2
Climate
Becomes more severe with warm, wet weather and high humidity.
How to Treat Brown blotch Disease on Lemon balm?
How to Treat Brown blotch Disease on Lemon balm?
1
Non pesticide
Sanitation: Regular cleaning of the foliage and the planting area helps control the disease. Ensure good drainage and air circulation.

Plant replacement: Using disease-free plants and rotating to non-host crops can help curb disease spread.
2
Pesticide
Fungicides: Apply fungicides with active ingredients such as chlorothalonil or azoxystrobin, following label directions for rates and timing.
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Wilting
Overview
Symptom
Causes
Treatment
Prevention
Active Period
What is Wilting Disease on Lemon balm?
What is Wilting Disease on Lemon balm?
Wilting is a plant disease causing loss of rigidity in Lemon balm's parts, particularly its leaves, leading to drooping. This is largely attributed to pathogenic infections or environmental stress, severely impacting the plant's growth, health and productivity.
Symptom Analysis
Symptom Analysis
Lemon balm shows apparent signs of wilting with drooping leaves that lose their original color, turning yellow or brown. The plant's growth is stunted, with weak and brittle stems. In advanced stages, the whole plant might collapse.
What Causes Wilting Disease on Lemon balm?
What Causes Wilting Disease on Lemon balm?
1
Pathogens
Fungi like Verticillium, Fusarium, and Phytophthora often infiltrate Lemon balm's vascular system, disrupting water transportation.
2
Environmental factors
Extremes of temperature, insufficient watering or overwatering accelerates wilting.
How to Treat Wilting Disease on Lemon balm?
How to Treat Wilting Disease on Lemon balm?
1
Non pesticide
Proper watering: Ensure Lemon balm isn't over or underwatered to minimize stress.

Plants selection: Opt for wilt-resistant varieties where possible.
2
Pesticide
Fungicides: Use targeted fungicides to combat fungal pathogens.

Systemic insecticides: Employ systemic insecticides for insect-borne wilt diseases.
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Leaf rot
Overview
Symptom
Causes
Treatment
Prevention
Active Period
What is Leaf rot Disease on Lemon balm?
What is Leaf rot Disease on Lemon balm?
Leaf rot is a common disease in Lemon balm that causes wilting, discoloration, and eventual death of plant tissues. It's caused by various pathogenic fungi and facilitated by certain environmental conditions, making it potentially lethal if uncontrolled.
Symptom Analysis
Symptom Analysis
Initial symptoms involve yellowing and wilting of Lemon balm's leaves. As the disease progresses, dark, water-soaked spots appear, growing larger until the leaves die off. Affected plants may also exhibit stunted growth and reduced vitality.
What Causes Leaf rot Disease on Lemon balm?
What Causes Leaf rot Disease on Lemon balm?
1
Pathogens
Fungal organisms such as Pythium, Fusarium, and Rhizoctonia are primary causes.
2
Environmental conditions
Over-watering, poor soil drainage, and high humidity can accelerate the disease's development.
How to Treat Leaf rot Disease on Lemon balm?
How to Treat Leaf rot Disease on Lemon balm?
1
Non pesticide
Watering Adjustment: Over-watering promotes the disease, so ensure proper watering practice.

Sanitation: Regularly remove and dispose infected plant parts to prevent spread.
2
Pesticide
Fungicides: Use fungicides specifically made for leaf rot, like Mancozeb and Chlorothalonil.

Bio-Fungicides: Consider using bio-fungicides like Trichoderma harzianum for organic farming.
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Leaf beetles
plant poor
Leaf beetles
Leaf beetles are a class of colored insects 1 to 2 cm in size. They gnaw on leaves and petals resulting in small, round holes scattered over the surface.
Overview
Overview
Leaf beetles range in size from 1.5 mm to 2 cm. Both adult beetles and their larvae eat the leaves of many different types of plants. There are over 35,000 different species of leaf beetles, in a variety of colors including gold, green, yellow-striped, and red striped. Some of these have been mistaken for ladybirds because of their shape and coloring. They can be oval, round, or elongated in shape. These insect pests are most active in spring and summer.
If not controlled, leaf beetles can do a lot of damage to vegetable crops and ornamental plants. They feed on the leaves, flowers, stems, roots, and fruits of different plants. They can fly, which means it's easy for them to move from one plant to another. Some species of leaf beetles only target one specific crop, while others will target many different types of plants. Although a lot of the damage that they cause is cosmetic, an infestation can weaken a plant and leave it prone to other more problematic diseases.
Symptom Analysis
Symptom Analysis
The first signs of a leaf beetles infestation are small visible holes in leaves. Leaves then become discolored and dark beetle droppings can be seen. As the leaves turn yellow and brown, they will drop off the plant onto the ground. Some leaves will appear skeletonized with only the veins still remaining.
Infestation begins in spring, when the adult beetles emerge from the soil and lay their eggs on the leaves of plants. When these eggs hatch, the young nymphs start munching on the leaves as they grow up. Once leaf beetles are large and mature, they'll fall to the ground and pupate in the soil over winter before starting the cycle all over again.
Leaf beetles also eat holes in fruits and vegetables. These can be seen as small round holes that sometimes have a larger brown area surrounding them.
Solutions
Solutions
For less serious cases:
  1. Remove beetles, nymphs, and eggs. Remove all life stages of the beetles and kill them by placing them in a bucket of warm, soapy water. This can be done more easily by placing the bucket under affected leaves and shaking the plant. This method is most effective in the afternoon when leaf beetles are more active. Always dispose of insects in a sealed bag or container to avoid escape and spread.
To treat more serious infestations:
  1. Apply organic insecticides. Use naturally-derived insecticides before moving on to synthetic insecticides. Neem oil and pyrethrum are naturally-derived insecticides that should be applied following label instructions.
  2. Apply synthetic insecticides. Examples of insecticides effective for leaf beetles include carbaryl, permethrin, and bifenthrin. Apply insecticides according to label instructions.
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Sap-sucking insects
plant poor
Sap-sucking insects
Sap-sucking insects can create dense clusters of small yellow or white spots on the leaves.
Symptom Analysis
Symptom Analysis
Your plant has developed tiny yellowish spots scattered across the leaves that look like mold or mildew. If these marks won't wipe off, they are likely caused by sap-sucking insects like aphids, squash bugs, scale bugs, leafhoppers, whiteflies, mites, mealybugs, and more.
Each of these pests uses mouthparts to pierce leaf tissues and suck the sap. uses mouthparts to pierce leaf tissues and suck the sap. Signs of damage are difficult to spot at first, but a large infestation can quickly compromise the whole plant. You're most likely to see sap-sucking insects during the hottest months because plants make easier targets when already weakened from heat or drought.
Though sap-sucking insects are unlikely to kill your plant on their own, they can severely weaken it and make it more susceptible to disease. They may also spread viruses from one plant to another as they feed.
Solutions
Solutions
Sap-sucking insects can be hard to spot, as they are often small and attach to the undersides of plant leaves. If you see signs of an infestation, follow these steps to eradicate it.
  1. Hand-pick bugs and remove eggs: Inspect your plants for insects and drop any you find in a container of soapy water. Look carefully at the undersides of plant leaves and squish any egg clusters you find.
  2. Use Insecticide: Targeted spraying can take out sap-sucking insects. Small infestations can be controlled with insecticidal soap, though larger outbreaks might require a stronger spray.
  3. Introduce natural predators: Many insects, including ladybugs and praying mantises, love to feast on sap-suckers. You can purchase them at garden stores and release them near infected plants, or encourage wild ones by creating habitat space.
Prevention
Prevention
Healthy plants are less likely to suffer from sap-sucker attacks. Keep them fortified with fertilizer and the right amounts of water and sunlight. Plants that receive excess nitrogen are also more susceptible to attack, so don’t overfertilize. You should also remove weeds and tall grasses surrounding your outdoor plants so as not to create habitat space for the pests.
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Thrips
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Thrips
Thrips are 1 to 2 mm bugs with slender black or translucent-yellow bodies. They move quickly and feed on the plant's sap.
Overview
Overview
Thrips are tiny, flying, sap-sucking insects that attack the tender parts of plants, causing scarring and weakening of the plant and sometimes, if the infestation is severe enough, plant death. They have undersized double wings with a fringe on them, resembling tiny, misshapen damselflies. Thrips have a taste for many houseplants and crops, making them a serious nuisance.
They appear in early spring after the last frost has occurred. If not controlled in early spring, they will persist for most of the season. They are often attracted to weakened plants, such as those struck by drought/underwatering or malnutrition. Excessive use of nitrogen fertilizer also seems to attract them to a plant. Thrips can spread various viruses between plants, leading to more serious damage.
Symptom Analysis
Symptom Analysis
Thrips are so small that they may not be noticed (1 to 2 mm long), but infested plants present several key signs. Tiny pale spots appear on leaves, which may start to deform, show white or silver discoloration, or become papery in texture.
Flower petals may be damaged as well, and might display color break, which is dark or pale discoloring of petal tissue damaged before the buds had a chance to open. Fruits may show scabby or silvery scarring. Tiny black spots of the insects' excrement may be visible.
As the infestation progresses, infested terminals roll and become discolored, and leaves may drop prematurely. The plant's growth may be stunted. Secondary viral and bacterial infections, which thrips can transmit, may become evident.
The good news? Thrips rarely kill or seriously weaken shrubs and trees. Smaller plants, such as vegetable crops and herbaceous ornamentals, tend to be more severely affected.
Solutions
Solutions
Thrips can be controlled in several ways.
  • Spray plants with Pyrethrin, which is an organic pesticide derived from marigolds (follow label instructions) or Permethrin, the synthetic version of Pyrethrin.
  • Introduce beneficial insects to the garden that eat thrips, such as minute pirate bugs and green lacewings.
  • Remove heavily infested plants from the area and discard.
  • Address viral diseases that may have been transmitted by the pests.
  • For less serious cases -use a hose to spray the thrips off of the plants.
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More About Lemon Balm

Plant Type
Plant Type
Herb
Lifespan
Lifespan
Perennial, Annual
Spread
Spread
40 cm
Bloom Time
Bloom Time
Late spring, Summer, Early fall, Mid fall
Flower Color
Flower Color
White
Purple
Leaf Color
Leaf Color
Green
Flower Size
Flower Size
1.2 to 1.3 cm
Plant Height
Plant Height
30 to 150 cm

Name story

Lemon balm
Not only that the leaves look identical to mint, but also that the leaves release a light lemon scent similar to mint. As the leaves produce an extract that can be manufactured into essential oils for medical purposes, it is called lemon balm.

Usages

Garden Use
Lemon balm is an unusual garden plant that is grown mainly for its aromatic leaves. This is a fast-growing plant that loves to spread, so it's a good idea to confine it to a container. However, it also makes a great addition to beds and borders, and cottage or informal gardens. Grow lemon balm with pest-repelling partners such as asters, sunflowers, lavender, or marigolds.
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Caring for a New Plant

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The following pictures and instructions for herb are aimed to help your plants adapt and thrive in a new environment.
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1
Picking a Healthy Herb
check-health

Check Its Health

part-image-bg part-image
Whole Plant
Symmetrical crown, evenly distributed branches, full and compact shape, no excessive growth, close internodes, and uniform leaf size.
part-image-bg part-image
Leaves
Check the inside of the plant, shaded and overlapping areas, back of leaves. Even colour, no yellowing, no brown spots, no crawling insects, no cobwebs, no deformities, no wilting.
part-image-bg part-image
Stems
No mold, browning or soft rot at the base of the plant.
health-trouble

Health Troubleshooting

Whole Plant
trouble-image
more 1 Asymmetrical crown or missing, uneven branching: prune the weak and slender branches of the larger portion of the asymmetrical crown.
trouble-image
more 2 Internodes are longer in the upper part, leaves are sparse and smaller on top: increase light intensity or duration.
Stems
trouble-image
Mildew, browning, or soft rot at the base: place the plant in a ventilated, dry environment and water with fungicide.
Leaves
trouble-image
more 1 Uneven leaf color and yellowing: prune yellow leaves and check if there are signs of rot at the base of the plant. Spray with fungicide for severe cases.
trouble-image
more 2 Brown spots or small yellow spots: place the plant in a ventilated area and avoid watering the leaves. Spray with fungicide for severe cases.
trouble-image
more 3 Tiny crawling insects on the back of leaves or spider webs between leaves: increase light exposure and spray with insecticide for severe cases.
trouble-image
more 4 Deformations or missing parts on leaves: determine if it's physical damage or pest infestation. Linear or tearing damage is physical, while the rest are pests. Spray with insecticide.
trouble-image
more 5 Wilting leaves: provide partial shade and avoid excessive sun exposure. Remove 1/3 to 1/2 of the leaves for severe cases.
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Check Its Growing Conditions

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Soil Check
Soil should smell fresh like after a rain and no musty odor.
check
Light Check
Check the light requirement of the plant and if it match with planting location.
check
Temperature Check
Check if the current outdoor temperature is too low or too high.
condition-trouble

Condition Troubleshooting

check
Soil
Potting mix soil, Peat moss mix soil
Soil smells musty or foul: check the root system for decay, place the plant in a ventilated, dry environment, and water with fungicide.
check
Ideal Temperature
-10℃ to 35℃
Outdoor temperature is not suitable for the plant: wait until it's a more favorable temperature for growth.
check
Suitable Light
Full sun, Partial sun
Insufficient light: Herbaceous plants need good light to bloom. If it doesn't have enough light, it may not bloom or have fewer blooms. Consider moving the plant to a sunnier spot or switching to a different plant that thrives in your light conditions.
Transplant recovery: After 3 days without major wilting, increase the light gradually over the course of a week. If the plant starts losing leaves or drooping, keep it in the shade. Continue shading until the plant has recovered. If it's yellowing and losing many leaves, the light is too low, so increase it.
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2
Adapting Your New Herb
Step 1
condition-image
Repotting
Plant your plant promptly in its final location or in a new pot, if conditions are suitable. When transplanting, clean the roots of the plant and keep the root system intact. Prune any blackened or rotten roots, spread out a heavily tangled root system, and mix in some well-rotted organic fertilizer. Use permeable soil and water thoroughly after planting.
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Step 2
condition-image
Pruning
Not usually needed. Cut off yellow or diseased leaves and crowded leaves that appear wilted or falling.
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Step 3
condition-image
Watering
Increase watering in the first week to keep soil moist. Water when soil is slightly dry, for at least 2 weeks. Avoid over-watering. Do not water when there is water on your fingers after touching the soil.
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Step 4
condition-image
Fertilizing
Add a small amount of base fertilizer during transplanting or repotting. No other fertilizer needed for the first month.
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main-image
Lemon Balm
label-image
Repotting
Plant promptly in final location or new pot. Clean roots, use organic fertilizer, permeable soil, and water thoroughly.
label-image
Pruning
Cut off yellow or diseased leaves and crowded leaves that appear wilted or falling.
label-image
Watering
Water new plants more often for 2 weeks. Avoid over/under watering by checking the soil.
label-image
Fertilizing
Add base fertilizer during transplanting. No other fertilizer is needed for the first month.
label-image
Sunlight
Regular sun exposure for indoor plants. Shade after transplanting/repotting, then gradually increase light if there is no wilting. Increase light if yellowing and leaf drop occur.
label
main-image
Lemon Balm
label-image
Repotting
Plant promptly in final location or new pot. Clean roots, use organic fertilizer, permeable soil, and water thoroughly.
label-image
Pruning
Cut off yellow or diseased leaves and crowded leaves that appear wilted or falling.
label-image
Watering
Water new plants more often for 2 weeks. Avoid over/under watering by checking the soil.
label-image
Fertilizing
Add base fertilizer during transplanting. No other fertilizer is needed for the first month.
label-image
Sunlight
Regular sun exposure for indoor plants. Shade after transplanting/repotting, then gradually increase light if there is no wilting. Increase light if yellowing and leaf drop occur.
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About
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Seasonal Tips
Pests & Diseases
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Lemon balm
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Lemon balm
Lemon balm
Lemon balm

How to Care for Lemon Balm

Lemon balm (Melissa officinalis) is an herbaceous perennial famous for its essential oils and mild scent. Its oils and extracts are widely used in perfume and beauty products, as well as household cleaning products. Lemon balm can be cultivated as an ornamental plant that also attracts honeybees. It has been grown and cultivated by humans since at least the 16th century.
symbolism

Symbolism

Longevity, Purification, Love, virtue, compassion
Water
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Advanced Care Guide

PlantCare:TransplantSummary

How to Transplant Lemon balm?

PlantCare:TransplantSummary
Lemon balm ideally flourishes when transplanted during mid-spring to early summer, as this period offers optimal growing conditions. Choose a sunny or partially shaded location with well-draining soil. If necessary, enrich the soil with organic matter prior to transplanting for better growth.
Cultivation:PottingSuggestions

How to Repot Lemon balm?

Cultivation:PottingSuggestions
Needs excellent drainage in pots.
care_seasonal_tips

Seasonal Care Tips

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Spring

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Summer

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Fall

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Winter

This plant requires some care in the spring.

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1
Every few years, divide large plants at the roots.
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2
Spring is also the time to sow seeds. Choose a sunny location and cover the seeds with about one inch of soil and water thoroughly.
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3
When new growth begins emerging, an application of all-purpose, balanced fertilizer will provide the necessary nutrients.
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4
Don’t forget to water when the top layer of soil begins drying out.
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5
Ensure the plant is receiving plenty of sunlight during the day.

The leaves on the plant do not thrive in bright sunshine in the summer.

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1
Keep container plants in a shaded area.
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2
Check the soil moisture level and increase watering frequency when rainfall is scarce. The soil may need checking daily to ensure it is not drying out.
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3
Keep an eye out for slugs, and other garden pests, especially if there is mulch around the plant.
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4
Cut back any spent flowers and remove any plant debris from the area.
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5
Continue regular fertilizing to help support fall flowering.

Continue watering and fertilizing your plant as long as it grows during the early fall season.

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1
Once the plants have entered a dormant stage, you can prune them back down to the ground; then, reduce watering.
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2
Use a balanced, all-purpose fertilizer regularly until the colder weather causes the plant to go dormant, then stop fertilizing.
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3
Ensure the plant still has plenty of sun during this time, placing them in locations that have full or partial sunlight.
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4
At the end of fall, after a hard frost, you can sow the seeds for your plant to propagate more plants.

As this plant goes dormant in cold weather, there’s not much care required for this plant. It's best to provide them with cold protection, however.

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1
After cutting back the stems, you can cover the beds with tarp or mulch to add a barrier against the chill winter winds and frost.
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2
Only water indoor or warmer-climate plants once the soil becomes dry to the touch, but for the most part you should leave this plant to itself during this season after providing it some shelter from the cold.
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Common Pests & Diseases

Common issues for Lemon balm based on 10 million real cases
Brown blotch
Brown blotch Brown blotch Brown blotch
Brown spot is a common fungal disease that affects various plants, including Lemon balm. It manifests as brown or tan spots on the leaves, leading to reduced plant vigor and potential death if left untreated.
Learn More About the Brown blotch more
Wilting
Wilting Wilting Wilting
Wilting is a plant disease causing loss of rigidity in Lemon balm's parts, particularly its leaves, leading to drooping. This is largely attributed to pathogenic infections or environmental stress, severely impacting the plant's growth, health and productivity.
Learn More About the Wilting more
Leaf rot
Leaf rot Leaf rot Leaf rot
Leaf rot is a common disease in Lemon balm that causes wilting, discoloration, and eventual death of plant tissues. It's caused by various pathogenic fungi and facilitated by certain environmental conditions, making it potentially lethal if uncontrolled.
Learn More About the Leaf rot more
Leaf beetles
Leaf beetles Leaf beetles Leaf beetles
Leaf beetles are a class of colored insects 1 to 2 cm in size. They gnaw on leaves and petals resulting in small, round holes scattered over the surface.
Solutions: For less serious cases: Remove beetles, nymphs, and eggs. Remove all life stages of the beetles and kill them by placing them in a bucket of warm, soapy water. This can be done more easily by placing the bucket under affected leaves and shaking the plant. This method is most effective in the afternoon when leaf beetles are more active. Always dispose of insects in a sealed bag or container to avoid escape and spread. To treat more serious infestations: Apply organic insecticides. Use naturally-derived insecticides before moving on to synthetic insecticides. Neem oil and pyrethrum are naturally-derived insecticides that should be applied following label instructions. Apply synthetic insecticides. Examples of insecticides effective for leaf beetles include carbaryl, permethrin, and bifenthrin. Apply insecticides according to label instructions.
Learn More About the Leaf beetles more
Sap-sucking insects
Sap-sucking insects Sap-sucking insects Sap-sucking insects
Sap-sucking insects can create dense clusters of small yellow or white spots on the leaves.
Solutions: Sap-sucking insects can be hard to spot, as they are often small and attach to the undersides of plant leaves. If you see signs of an infestation, follow these steps to eradicate it. Hand-pick bugs and remove eggs: Inspect your plants for insects and drop any you find in a container of soapy water. Look carefully at the undersides of plant leaves and squish any egg clusters you find. Use Insecticide: Targeted spraying can take out sap-sucking insects. Small infestations can be controlled with insecticidal soap, though larger outbreaks might require a stronger spray. Introduce natural predators: Many insects, including ladybugs and praying mantises, love to feast on sap-suckers. You can purchase them at garden stores and release them near infected plants, or encourage wild ones by creating habitat space.
Learn More About the Sap-sucking insects more
Thrips
Thrips Thrips Thrips
Thrips are 1 to 2 mm bugs with slender black or translucent-yellow bodies. They move quickly and feed on the plant's sap.
Solutions: Thrips can be controlled in several ways. Spray plants with Pyrethrin, which is an organic pesticide derived from marigolds (follow label instructions) or Permethrin, the synthetic version of Pyrethrin. Introduce beneficial insects to the garden that eat thrips, such as minute pirate bugs and green lacewings. Remove heavily infested plants from the area and discard. Address viral diseases that may have been transmitted by the pests. For less serious cases -use a hose to spray the thrips off of the plants.
Learn More About the Thrips more
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Brown blotch
Overview
Symptom
Causes
Treatment
Prevention
Active Period
What is Brown blotch Disease on Lemon balm?
What is Brown blotch Disease on Lemon balm?
Brown spot is a common fungal disease that affects various plants, including Lemon balm. It manifests as brown or tan spots on the leaves, leading to reduced plant vigor and potential death if left untreated.
Symptom Analysis
Symptom Analysis
Lemon balm leaves develop numerous small, circular brown, or tan spots. These later merge to form larger patches. If the infection is severe, leaves may yellow and eventually drop off, reducing plant vigor.
What Causes Brown blotch Disease on Lemon balm?
What Causes Brown blotch Disease on Lemon balm?
1
Fungus
Cercospora species are responsible for causing Brown spot disease. This fungus survives in plant debris and is spread by water splash and wind.
2
Climate
Becomes more severe with warm, wet weather and high humidity.
How to Treat Brown blotch Disease on Lemon balm?
How to Treat Brown blotch Disease on Lemon balm?
1
Non pesticide
Sanitation: Regular cleaning of the foliage and the planting area helps control the disease. Ensure good drainage and air circulation.

Plant replacement: Using disease-free plants and rotating to non-host crops can help curb disease spread.
2
Pesticide
Fungicides: Apply fungicides with active ingredients such as chlorothalonil or azoxystrobin, following label directions for rates and timing.
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Wilting
Overview
Symptom
Causes
Treatment
Prevention
Active Period
What is Wilting Disease on Lemon balm?
What is Wilting Disease on Lemon balm?
Wilting is a plant disease causing loss of rigidity in Lemon balm's parts, particularly its leaves, leading to drooping. This is largely attributed to pathogenic infections or environmental stress, severely impacting the plant's growth, health and productivity.
Symptom Analysis
Symptom Analysis
Lemon balm shows apparent signs of wilting with drooping leaves that lose their original color, turning yellow or brown. The plant's growth is stunted, with weak and brittle stems. In advanced stages, the whole plant might collapse.
What Causes Wilting Disease on Lemon balm?
What Causes Wilting Disease on Lemon balm?
1
Pathogens
Fungi like Verticillium, Fusarium, and Phytophthora often infiltrate Lemon balm's vascular system, disrupting water transportation.
2
Environmental factors
Extremes of temperature, insufficient watering or overwatering accelerates wilting.
How to Treat Wilting Disease on Lemon balm?
How to Treat Wilting Disease on Lemon balm?
1
Non pesticide
Proper watering: Ensure Lemon balm isn't over or underwatered to minimize stress.

Plants selection: Opt for wilt-resistant varieties where possible.
2
Pesticide
Fungicides: Use targeted fungicides to combat fungal pathogens.

Systemic insecticides: Employ systemic insecticides for insect-borne wilt diseases.
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Leaf rot
Overview
Symptom
Causes
Treatment
Prevention
Active Period
What is Leaf rot Disease on Lemon balm?
What is Leaf rot Disease on Lemon balm?
Leaf rot is a common disease in Lemon balm that causes wilting, discoloration, and eventual death of plant tissues. It's caused by various pathogenic fungi and facilitated by certain environmental conditions, making it potentially lethal if uncontrolled.
Symptom Analysis
Symptom Analysis
Initial symptoms involve yellowing and wilting of Lemon balm's leaves. As the disease progresses, dark, water-soaked spots appear, growing larger until the leaves die off. Affected plants may also exhibit stunted growth and reduced vitality.
What Causes Leaf rot Disease on Lemon balm?
What Causes Leaf rot Disease on Lemon balm?
1
Pathogens
Fungal organisms such as Pythium, Fusarium, and Rhizoctonia are primary causes.
2
Environmental conditions
Over-watering, poor soil drainage, and high humidity can accelerate the disease's development.
How to Treat Leaf rot Disease on Lemon balm?
How to Treat Leaf rot Disease on Lemon balm?
1
Non pesticide
Watering Adjustment: Over-watering promotes the disease, so ensure proper watering practice.

Sanitation: Regularly remove and dispose infected plant parts to prevent spread.
2
Pesticide
Fungicides: Use fungicides specifically made for leaf rot, like Mancozeb and Chlorothalonil.

Bio-Fungicides: Consider using bio-fungicides like Trichoderma harzianum for organic farming.
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Leaf beetles
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Leaf beetles
Leaf beetles are a class of colored insects 1 to 2 cm in size. They gnaw on leaves and petals resulting in small, round holes scattered over the surface.
Overview
Overview
Leaf beetles range in size from 1.5 mm to 2 cm. Both adult beetles and their larvae eat the leaves of many different types of plants. There are over 35,000 different species of leaf beetles, in a variety of colors including gold, green, yellow-striped, and red striped. Some of these have been mistaken for ladybirds because of their shape and coloring. They can be oval, round, or elongated in shape. These insect pests are most active in spring and summer.
If not controlled, leaf beetles can do a lot of damage to vegetable crops and ornamental plants. They feed on the leaves, flowers, stems, roots, and fruits of different plants. They can fly, which means it's easy for them to move from one plant to another. Some species of leaf beetles only target one specific crop, while others will target many different types of plants. Although a lot of the damage that they cause is cosmetic, an infestation can weaken a plant and leave it prone to other more problematic diseases.
Symptom Analysis
Symptom Analysis
The first signs of a leaf beetles infestation are small visible holes in leaves. Leaves then become discolored and dark beetle droppings can be seen. As the leaves turn yellow and brown, they will drop off the plant onto the ground. Some leaves will appear skeletonized with only the veins still remaining.
Infestation begins in spring, when the adult beetles emerge from the soil and lay their eggs on the leaves of plants. When these eggs hatch, the young nymphs start munching on the leaves as they grow up. Once leaf beetles are large and mature, they'll fall to the ground and pupate in the soil over winter before starting the cycle all over again.
Leaf beetles also eat holes in fruits and vegetables. These can be seen as small round holes that sometimes have a larger brown area surrounding them.
Solutions
Solutions
For less serious cases:
  1. Remove beetles, nymphs, and eggs. Remove all life stages of the beetles and kill them by placing them in a bucket of warm, soapy water. This can be done more easily by placing the bucket under affected leaves and shaking the plant. This method is most effective in the afternoon when leaf beetles are more active. Always dispose of insects in a sealed bag or container to avoid escape and spread.
To treat more serious infestations:
  1. Apply organic insecticides. Use naturally-derived insecticides before moving on to synthetic insecticides. Neem oil and pyrethrum are naturally-derived insecticides that should be applied following label instructions.
  2. Apply synthetic insecticides. Examples of insecticides effective for leaf beetles include carbaryl, permethrin, and bifenthrin. Apply insecticides according to label instructions.
Prevention
Prevention
To prevent infestations of leaf beetles, follow these practices.
  1. Regularly check for beetles. To prevent large pest infestations, be proactive about frequently checking plants for pests and removing them quickly.
  2. Clear debris. Clear weeds and debris to remove areas where these beetles may overwinter and hide.
  3. Attract natural predators. Birds and other insects, such as wasps and ladybugs, are effective natural predators of leaf beetles. Encourage them to visit by including a diverse array of plants to provide habitat and food. Also, avoid applying broad-spectrum herbicides that can harm and kill beneficial insects.
  4. Plant aromatic herbs like mint, garlic, or rosemary, as these can repel leaf beetles.
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Sap-sucking insects
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Sap-sucking insects
Sap-sucking insects can create dense clusters of small yellow or white spots on the leaves.
Symptom Analysis
Symptom Analysis
Your plant has developed tiny yellowish spots scattered across the leaves that look like mold or mildew. If these marks won't wipe off, they are likely caused by sap-sucking insects like aphids, squash bugs, scale bugs, leafhoppers, whiteflies, mites, mealybugs, and more.
Each of these pests uses mouthparts to pierce leaf tissues and suck the sap. uses mouthparts to pierce leaf tissues and suck the sap. Signs of damage are difficult to spot at first, but a large infestation can quickly compromise the whole plant. You're most likely to see sap-sucking insects during the hottest months because plants make easier targets when already weakened from heat or drought.
Though sap-sucking insects are unlikely to kill your plant on their own, they can severely weaken it and make it more susceptible to disease. They may also spread viruses from one plant to another as they feed.
Solutions
Solutions
Sap-sucking insects can be hard to spot, as they are often small and attach to the undersides of plant leaves. If you see signs of an infestation, follow these steps to eradicate it.
  1. Hand-pick bugs and remove eggs: Inspect your plants for insects and drop any you find in a container of soapy water. Look carefully at the undersides of plant leaves and squish any egg clusters you find.
  2. Use Insecticide: Targeted spraying can take out sap-sucking insects. Small infestations can be controlled with insecticidal soap, though larger outbreaks might require a stronger spray.
  3. Introduce natural predators: Many insects, including ladybugs and praying mantises, love to feast on sap-suckers. You can purchase them at garden stores and release them near infected plants, or encourage wild ones by creating habitat space.
Prevention
Prevention
Healthy plants are less likely to suffer from sap-sucker attacks. Keep them fortified with fertilizer and the right amounts of water and sunlight. Plants that receive excess nitrogen are also more susceptible to attack, so don’t overfertilize. You should also remove weeds and tall grasses surrounding your outdoor plants so as not to create habitat space for the pests.
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Thrips
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Thrips
Thrips are 1 to 2 mm bugs with slender black or translucent-yellow bodies. They move quickly and feed on the plant's sap.
Overview
Overview
Thrips are tiny, flying, sap-sucking insects that attack the tender parts of plants, causing scarring and weakening of the plant and sometimes, if the infestation is severe enough, plant death. They have undersized double wings with a fringe on them, resembling tiny, misshapen damselflies. Thrips have a taste for many houseplants and crops, making them a serious nuisance.
They appear in early spring after the last frost has occurred. If not controlled in early spring, they will persist for most of the season. They are often attracted to weakened plants, such as those struck by drought/underwatering or malnutrition. Excessive use of nitrogen fertilizer also seems to attract them to a plant. Thrips can spread various viruses between plants, leading to more serious damage.
Symptom Analysis
Symptom Analysis
Thrips are so small that they may not be noticed (1 to 2 mm long), but infested plants present several key signs. Tiny pale spots appear on leaves, which may start to deform, show white or silver discoloration, or become papery in texture.
Flower petals may be damaged as well, and might display color break, which is dark or pale discoloring of petal tissue damaged before the buds had a chance to open. Fruits may show scabby or silvery scarring. Tiny black spots of the insects' excrement may be visible.
As the infestation progresses, infested terminals roll and become discolored, and leaves may drop prematurely. The plant's growth may be stunted. Secondary viral and bacterial infections, which thrips can transmit, may become evident.
The good news? Thrips rarely kill or seriously weaken shrubs and trees. Smaller plants, such as vegetable crops and herbaceous ornamentals, tend to be more severely affected.
Solutions
Solutions
Thrips can be controlled in several ways.
  • Spray plants with Pyrethrin, which is an organic pesticide derived from marigolds (follow label instructions) or Permethrin, the synthetic version of Pyrethrin.
  • Introduce beneficial insects to the garden that eat thrips, such as minute pirate bugs and green lacewings.
  • Remove heavily infested plants from the area and discard.
  • Address viral diseases that may have been transmitted by the pests.
  • For less serious cases -use a hose to spray the thrips off of the plants.
Prevention
Prevention
The best way to protect plants from thrips is to take preventative measures.
  • Avoid buying and transplanting infected plants. Check for signs of thrip damage before buying.
  • Regularly prune off dead branches and leaves.
  • Keep the garden weeded and remove debris such as dead branches and leaves.
  • Avoid unnecessary use of insecticides as they can kill predatory insects that keep thrips in check.
  • Plant a diverse variety of plants in the garden to provide habitat for predatory insects.
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More About Lemon Balm

Plant Type
Plant Type
Herb
Lifespan
Lifespan
Perennial, Annual
Spread
Spread
40 cm
Bloom Time
Bloom Time
Late spring, Summer, Early fall, Mid fall
Flower Color
Flower Color
White
Purple
Leaf Color
Leaf Color
Green
Flower Size
Flower Size
1.2 to 1.3 cm
Plant Height
Plant Height
30 to 150 cm

Name story

Lemon balm
Not only that the leaves look identical to mint, but also that the leaves release a light lemon scent similar to mint. As the leaves produce an extract that can be manufactured into essential oils for medical purposes, it is called lemon balm.

Usages

Garden Use
Lemon balm is an unusual garden plant that is grown mainly for its aromatic leaves. This is a fast-growing plant that loves to spread, so it's a good idea to confine it to a container. However, it also makes a great addition to beds and borders, and cottage or informal gardens. Grow lemon balm with pest-repelling partners such as asters, sunflowers, lavender, or marigolds.
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Caring for a New Plant

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The following pictures and instructions for herb are aimed to help your plants adapt and thrive in a new environment.
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1
Picking a Healthy Herb
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Check Its Health

part
Whole Plant
Symmetrical crown, evenly distributed branches, full and compact shape, no excessive growth, close internodes, and uniform leaf size.
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Leaves
Check the inside of the plant, shaded and overlapping areas, back of leaves. Even colour, no yellowing, no brown spots, no crawling insects, no cobwebs, no deformities, no wilting.
more
Stems
No mold, browning or soft rot at the base of the plant.
health-trouble

Health Troubleshooting

Whole Plant
Stems
Leaves
more
more 1 Asymmetrical crown or missing, uneven branching: prune the weak and slender branches of the larger portion of the asymmetrical crown.
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more 2 Internodes are longer in the upper part, leaves are sparse and smaller on top: increase light intensity or duration.
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Mildew, browning, or soft rot at the base: place the plant in a ventilated, dry environment and water with fungicide.
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more 1 Uneven leaf color and yellowing: prune yellow leaves and check if there are signs of rot at the base of the plant. Spray with fungicide for severe cases.
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more 2 Brown spots or small yellow spots: place the plant in a ventilated area and avoid watering the leaves. Spray with fungicide for severe cases.
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more 3 Tiny crawling insects on the back of leaves or spider webs between leaves: increase light exposure and spray with insecticide for severe cases.
more
more 4 Deformations or missing parts on leaves: determine if it's physical damage or pest infestation. Linear or tearing damage is physical, while the rest are pests. Spray with insecticide.
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more 5 Wilting leaves: provide partial shade and avoid excessive sun exposure. Remove 1/3 to 1/2 of the leaves for severe cases.
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Check Its Growing Conditions

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Soil Check
Soil should smell fresh like after a rain and no musty odor.
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Light Check
Check the light requirement of the plant and if it match with planting location.
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Temperature Check
Check if the current outdoor temperature is too low or too high.
condition-trouble

Condition Troubleshooting

Soil
Ideal Temperature
Suitable Light
check
Potting mix soil, Peat moss mix soil
Soil
Soil smells musty or foul: check the root system for decay, place the plant in a ventilated, dry environment, and water with fungicide.
check
-10℃ to 35℃
Ideal Temperature
Outdoor temperature is not suitable for the plant: wait until it's a more favorable temperature for growth.
check
Full sun, Partial sun
Suitable Light
Insufficient light: Herbaceous plants need good light to bloom. If it doesn't have enough light, it may not bloom or have fewer blooms. Consider moving the plant to a sunnier spot or switching to a different plant that thrives in your light conditions.
Transplant recovery: After 3 days without major wilting, increase the light gradually over the course of a week. If the plant starts losing leaves or drooping, keep it in the shade. Continue shading until the plant has recovered. If it's yellowing and losing many leaves, the light is too low, so increase it.
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2
Adapting Your New Herb
Step 1
condition-image
Repotting
Plant your plant promptly in its final location or in a new pot, if conditions are suitable. When transplanting, clean the roots of the plant and keep the root system intact. Prune any blackened or rotten roots, spread out a heavily tangled root system, and mix in some well-rotted organic fertilizer. Use permeable soil and water thoroughly after planting.
Step 2
condition-image
Pruning
Not usually needed. Cut off yellow or diseased leaves and crowded leaves that appear wilted or falling.
Step 3
condition-image
Watering
Increase watering in the first week to keep soil moist. Water when soil is slightly dry, for at least 2 weeks. Avoid over-watering. Do not water when there is water on your fingers after touching the soil.
Step 4
condition-image
Fertilizing
Add a small amount of base fertilizer during transplanting or repotting. No other fertilizer needed for the first month.
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Water
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Lemon Balm Watering Instructions
Lemon balm hails from regions in the Mediterranean, Western Asia, and South Europe where weather conditions involve humidity and natural soil moisture due to consistent, moderate rainfall. Such constant hydration without waterlogging frames lemon balm's watering preferences. Emulating this requires regular, light watering, enough to keep the soil moist but not drowned, signifying an innate tolerance for relatively higher moisture levels compared to dry-climate plants.
When Should I Water My Lemon Balm?
Introduction
Proper watering is crucial for the health and growth of lemon balm (Melissa officinalis). Timely watering not only facilitates robust growth but also prevents various health issues that arise from poor watering habits.
Soil Condition
One of the primary indicators for watering lemon balm is the dryness of the soil. If the top 1-2 inches of the soil are dry to the touch, it is typically a sign that the plant needs water. Overly dry soil can lead to wilting and stunted growth.
Leaf Appearance
Lemon balm's leaves can also serve as an indicator for when it needs water. If they appear wilted, droopy, or have dry edges, the plant is likely thirsty. However, take care not to confuse this with yellowing leaves, which may indicate overwatering.
Stem Firmness
If the stems of lemon balm become less firm and start to droop, this is a sign the plant might be thirsty and requires immediate watering.
Risks and Consequences
Watering lemon balm too early can lead to overwatering and root diseases. On the contrary, watering too late can lead to a stressed plant, which may get reflected in its growth and overall health. In the worst-case scenario, it could lead to plant death. Therefore, finding the right balance based on specific signs the plant gives off is important.
Caveat
Do keep in mind that watering needs can vary based on local growing conditions and the size of the plant. Regularly monitoring lemon balm and noting any changes can help you understand its specific needs.
How Should I Water My Lemon Balm?
Watering Requirements
Lemon balm, also known as Lemon balm, has specific watering needs and sensitivities that should be considered for optimal hydration.
Watering Technique
Bottom-watering is an effective method to ensure the roots of lemon balm get adequate moisture without over-saturating the surface. This technique involves placing the plant pot in a tray or saucer filled with water and allowing the roots to absorb water from the bottom up. It prevents excess moisture on the foliage and minimizes the risk of fungal diseases.
Watering Can Type
When using a watering can, it is recommended to choose one with a narrow spout to direct the water flow directly to the base of lemon balm. This helps to avoid wetting the foliage excessively and promotes targeted hydration at the root level.
Special Equipment
Using a moisture meter can be beneficial to monitor the moisture level in the soil of lemon balm. This device can help determine when it's time to water and prevent overwatering or underwatering.
Focus Areas
When watering lemon balm, focus on delivering water directly to the base of the plant, aiming to keep the foliage dry. Avoid excessive watering in the center of the plant as it can lead to crown rot.
Misting Technique
Misting can be used occasionally to increase humidity levels around lemon balm. However, it should not be the primary method of watering as it may not provide sufficient hydration to the roots.
Frequency Recommendation
The frequency of watering lemon balm may vary depending on various factors such as temperature, humidity, and soil moisture. It is essential to regularly check the soil moisture level and water when the top inch of soil feels dry.
Additional Tips
It is advisable to water lemon balm in the morning to allow adequate time for the foliage to dry before evening, reducing the risk of diseases. Additionally, ensure proper drainage to avoid waterlogged soil.
How Much Water Does Lemon Balm Really Need?
Introduction
Lemon balm is a perennial herb native to Southern Europe and the Mediterranean region. It thrives in these regions due to its thirst for consistent moisture and reliable drainage. In its natural habitat, lemon balm receives regular rainfall with good soil drainage, setting the basis for its water needs when cultivated elsewhere.
Water Quantity
Watering lemon balm varies depending on its size, pot size, and root depth. Younger lemon balm plants with shallow roots require less water, while larger lemon balm with deeper roots require more water. The size of the plant's pot also influences watering quantity, with larger pots requiring more water. Always ensure that water reaches the bottom of the pot. A simple rule of thumb is to add water until it starts draining from the bottom of the pot.
Signs of Proper Watering
Lemon balm shows signs of proper hydration when its leaves are vibrant and lush. On the contrary, drooping or yellowing leaves may indicate overwatering, while dry, brown, and curling leaf edges may suggest underwatering. Always check the soil before watering lemon balm - it should feel slightly damp, but not soggy or completely dry.
Risks of Improper Watering
Overwatering lemon balm can lead to root rot, a fatal plant disease. Severe root rot may necessitate removal of the plant to prevent spreading. Underwatering, on the other hand, can hinder growth and lead to wilting and eventually death of the plant.
Special Considerations
Lemon balm's resilience to waterlogging and short-term drought contrasts with its demand for consistent moisture and proper drainage. Make sure to provide a well-draining soil mix when potting lemon balm to prevent water from stagnating at the roots. Also, consider lemon balm's mature size when deciding on pot size: A fully grown lemon balm can reach up to 2 feet tall and needs enough space to spread its roots.
How Often Should I Water Lemon Balm?
Every week
Watering Frequency
Smart Seasonal Watering
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Just like people, each plant has its own preferences and needs. Devote time to understanding your plants so you can nurture them properly. Observe your plants attentively, learning from their growth patterns, and becoming more in tune with their needs as you grow together. Keep a watchful eye on new plants and seedlings, as they are sensitive to both overwatering and underwatering. Shower them with gentle love and attention, fostering their growth and strength. Let the rhythm of your local climate guide your watering habits, adapting your schedule to the changing weather and the needs of your plants.
What Kind of Water is Best for Lemon Balm?
Ideal Water Type for lemon balm
Rainwater and filtered water are both ideal for lemon balm due to their low concentrations of minerals and chemicals. Distilled water can also be used but avoid using tap water directly without treatment, as it may contain chlorine and other minerals that lemon balm is sensitive to.
Chlorine Sensitivity
Lemon balm prefers water that has been left to sit out, allowing chlorine to evaporate. Alternatively, using a water filtering system can also rid tap water of chlorine and other chlorine compounds.
Fluoride Sensitivity
High concentrations of fluoride in tap water can inhibit the growth of lemon balm, hence it's advisable to use fluoride-free water sources like rainwater or filtered water. If using tap water, allow it to sit out for a few hours as some fluoride evaporates over time.
Minerals and Hard Water
Lemon balm prefers softer water with lower concentrations of minerals. Hard water, which contains higher levels of minerals such as calcium and magnesium, can lead to slower growth or even harm lemon balm. Using a water softening system, if available, can benefit your lemon balm.
Water Treatments
Allowing tap water to sit out for 24 hours not only helps eliminate chlorine, but also allows some minerals and other potential toxins to settle out. Using filtered water or installing a water treatment system can further benefit lemon balm.
Water Temperature Preference
Lemon balm prefers room temperature water, as cold water may shock the roots leading to plant stress. Be sure the water is not too hot either, as it can damage the plant's delicate root system.
How Do Lemon Balm's Watering Needs Change with the Seasons?
How to Water lemon balm in Spring?
As lemon balm emerges from its dormancy period, it requires adequate watering to support new growth. Moisture is essential during this period to help the plant absorb necessary nutrients from the soil. Water lemon balm when the top 1-2 inches of soil feels dry, ensuring thorough watering until you see water draining out of the pot holes.
How to Water lemon balm in Summer?
With increased sunlight and heat, the evaporation rate is high, making lemon balm need more water than in spring. However, avoid waterlogging as it can lead to root rot. Water generously when the top layer of soil feels dry, but always check the soil before watering to prevent overwatering.
How to Water lemon balm in Autumn?
Lemon balm gradually enters its dormant phase in autumn, reducing its water needs. During this time, reduce watering gradually, but ensure the soil remains slightly moist. Water lemon balm when the top 2-3 inches of soil feel dry, but avoid waterlogging as the plant is slowing down its growth and won't absorb as much water.
How to Water lemon balm in Winter?
Throughout winter, lemon balm is in its dormancy period with minimal growth, thus requiring least amount of water. To avoid root rot from cold and damp conditions, allow the soil to dry out between watering sessions. Water sparingly only when the soil feels quite dry at depth of 3-4 inches.
What Expert Tips Can Enhance Lemon Balm Watering Routine?
Moisture Meter
Using a moisture meter can help assess lemon balm's deeper soil moisture needs and prevent over or under-watering. This plant prefers its soil to be mostly dry before the next watering, and a meter can effectively measure this.
Watering Time
Watering lemon balm early in the morning allows the water to penetrate the soil thoroughly before the high evaporation rates of mid-day. It also helps prevent fungal diseases by minimizing the plant's exposure to dampness.
Common Misconception
One common misconception is that lemon balm needs constant and heavy watering. However, this plant prefers well-draining soil and should not be constantly wet. Over-watering can lead to root rot and other issues.
Signs of Thirst
To determine if lemon balm needs watering, check the soil moisture by sticking your finger about an inch into the soil. If it feels dry or slightly damp, it's time to water. Wilting or drooping leaves can also be a sign of water stress.
Adjusting Watering in Heatwaves
During heatwaves, lemon balm's water needs may increase. Monitor the soil moisture more frequently and consider providing additional water to ensure the plant stays hydrated.
Adjusting Watering in Extended Rain
During periods of extended rain, lemon balm's soil may become waterlogged. Allow the soil to dry out between waterings and consider using a well-draining potting mix to prevent water accumulation.
Adjusting Watering for Stressed Plants
If lemon balm is showing signs of stress, such as yellowing or wilting leaves, evaluate its watering needs. Stressed plants may require more or less water than usual, so adjust accordingly after assessing the soil moisture and observing the plant's overall health.
Considering Hydroponics? How to Manage a Water-Grown Lemon Balm?
Overview of Hydroponics
Hydroponics is a method of growing plants without soil, where the plant's roots are submerged in a water-based nutrient solution. It offers better control over nutrient availability and eliminates the risk of soil-borne diseases. Hydroponics is particularly relevant for lemon balm as it allows for optimal nutrient absorption and growth.
Best-suited Hydroponic System
The nutrient film technique (NFT) is the most suitable hydroponic system for growing lemon balm. It involves a shallow stream of nutrient solution flowing over the roots, providing them with a constant supply of water and nutrients. The NFT system promotes healthy root development and ensures efficient nutrient uptake.
Nutrient Solution Requirements
To ensure optimal growth, lemon balm prefers a nutrient solution with a balanced composition. The recommended concentrations for macronutrients are as follows: nitrogen (N) - 150-200 ppm, phosphorus (P) - 50 ppm, and potassium (K) - 200 ppm. Micro-nutrients like iron (Fe), manganese (Mn), and copper (Cu) should be maintained at 1 ppm. The pH level of the nutrient solution should be maintained between 5.8-6.2. It is advisable to monitor the nutrient solution regularly and change it every 1-2 weeks.
Challenges in Hydroponic Cultivation
Root rot is a common issue when growing lemon balm hydroponically. To prevent this, ensure proper aeration of the nutrient solution by using air stones or providing oxygen through other means. Nutrient imbalances can also arise, leading to deficiencies or toxicities. Regularly monitor the nutrient levels and adjust the solution as needed. Additionally, lemon balm requires a minimum of 12-14 hours of light per day to thrive, so providing adequate artificial lighting is crucial.
Monitoring Plant Health
In a hydroponic setup, closely monitor lemon balm for signs of stress such as wilting, nutrient deficiencies (yellowing or browning of leaves), or fungal growth. These symptoms may differ from those observed in soil-grown plants. Regularly check the roots for signs of rot or discoloration. Monitoring the pH and EC (electrical conductivity) levels of the nutrient solution is also important to ensure optimal plant health.
Adapting the Hydroponic Environment
As lemon balm goes through different growth stages, adjustments may be required. During the vegetative stage, ensure the nutrient solution is rich in nitrogen to promote leafy growth. As the plant enters the flowering stage, adjust the nutrient solution to have a higher phosphorus and potassium content to support flower development. Additionally, maintain a constant temperature between 20-25°C (68-77°F) and relative humidity of 40-60% to create an ideal growing environment for lemon balm.
Important Symptoms
Overwatering
Lemon balm is more susceptible to developing disease symptoms when overwatered because it prefers a soil environment with moderate humidity. Symptoms of overwatering include yellowing leaves, brown or black spots, root rot...
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Brown or black spots
Excessive watering can damage the plant's root system, making it vulnerable to fungal infections. The plant may develop dark brown to black spots that spread upwards from the lower leaves which are usually the first to be affected.
Root rot
Excess water in the soil can lead to the growth of harmful fungi and bacteria, causing the roots to rot and eventually kill the plant.
Soft or mushy stems
Excess water can cause stems to become soft and mushy, as the cells become waterlogged and lose their structural integrity.
Increased susceptibility diseases
Overwatering plants may become more susceptible and diseases as their overall health declines, weakening their natural defenses.
Solutions
1. Adjust watering frequency based on seasons and soil dryness. Wait for soil to dry before watering.2. Increase soil aeration by loosening surface and gently stirring with a wooden stick or chopstick.3. Optimize environment with good ventilation and warmth to enhance water evaporation and prevent overwatering.
Underwatering
Lemon balm is more susceptible to plant health issues when lacking watering, as it can only tolerate short periods of drought. Symptoms of dehydration include wilting, leaf curling, yellowing leaves...
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Wilting
Due to the dry soil and insufficient water absorption by the roots, the leaves of the plant will appear limp, droopy, and lose vitality.
Leaf curling
Leaves may curl inward or downward as they attempt to conserve water and minimize water loss through transpiration.
Increased susceptibility to pests and diseases
Underwatered plants may become more susceptible to pests and diseases as their overall health declines, weakening their natural defenses.
Dying plant
If underwatering continues for an extended period, the plant may ultimately die as a result of severe water stress and an inability to carry out essential functions.
Solutions
1. Thoroughly saturate soil with slow ring watering to ensure uniform and sufficient moisture for plants. 2. Increase air humidity with water trays or misting to slow leaf water evaporation. 3. Watering according to the recommended frequency.Adjust watering frequency based on seasons and soil dryness.
Watering Troubleshooting for Lemon Balm
Why are the leaves of my lemon balm turning yellow?
If the leaves of your lemon balm are turning yellow, it could be due to over-watering. Lemon balm prefers drier soil, and excessive moisture can lead to waterlogging and root rot. Reduce the frequency of watering and ensure that your plant's pot has good drainage. Wait until the top layer of soil is dry before watering again.
Why are the leaves of my lemon balm wilting and turning brown?
Brown, wilting leaves can be a sign of under-watering. Unlike many plants, lemon balm prefers consistent moisture, but not soggy soil. If the soil is too dry, water the plant thoroughly. Going forward, monitor soil moisture levels to ensure they're consistent but avoid waterlogging.
Why are the edges of my lemon balm's leaves turning brown?
Brown leaf edges can indicate that your lemon balm is getting too much direct sunlight along with under-watering. Lemon Balm prefers partial sun to shade. Adjust its position and revise your watering schedule to make sure the plant gets consistent moisture without becoming soggy.
Why is my lemon balm showing slowed growth even though I water regularly?
Regular watering is crucial for your lemon balm, but too frequent watering can lead to waterlogged soil and root damage, slowing down the plant's growth. Ensure your plant's pot has good drainage and let the top layer of the soil dry out before watering it again.
Why is my lemon balm losing leaves even though I'm watering it as suggested?
While lemon balm has watering needs, it also needs good air circulation to prevent fungal diseases. If watering needs are met but leaves are still falling, consider its placement. Ensure it's not crowded by other plants and receives enough airflow. In severe cases of leaf drop, you might need to apply a fungicide.
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Lighting
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Indoor
Indoor
Outdoor
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Requirements
Full sun
Ideal
Above 6 hours sunlight
Partial sun
Tolerance
About 3-6 hours sunlight
Watch how sunlight gracefully moves through your garden, and choose spots that provide the perfect balance of light and shade for your plants, ensuring their happiness.
Essentials
Lemon balm thrives when exposed to abundant sunlight throughout the day, though it can also get by in slightly shadowed spots. Its origins in open meadows contribute to its sun-loving disposition. Overexposure may result in leaf scorching, while insufficient exposure could hinder its robust growth and vitality.
Preferred
Tolerable
Unsuitable
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Artificial lighting
Indoor plants require adequate lighting for optimal growth. When natural sunlight is insufficient, particularly in winter or in less sunny spaces, artificial lights offer a vital solution, promoting faster, healthier growth.
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Indoor plants require adequate lighting for optimal growth. When natural sunlight is insufficient, particularly in winter or in less sunny spaces, artificial lights offer a vital solution, promoting faster, healthier growth.
1. Choose the right type of artificial light: LED lights are a popular choice for indoor plant lighting because they can be customized to provide the specific wavelengths of light that your plants need.
Full sun plants need 30-50W/sq ft of artificial light, partial sun plants need 20-30W/sq ft, and full shade plants need 10-20W/sq ft.
2. Determine the appropriate distance: Place the light source 12-36 inches above the plant to mimic natural sunlight.
3. Determine the duration: Mimic the length of natural daylight hours for your plant species. most plants need 8-12 hours of light per day.
Important Symptoms
Insufficient light
Lemon balm thrives in full sunlight and is commonly grown outdoors where it receives ample sunlight. When placed in rooms with inadequate lighting, symptoms of light deficiency may not be readily apparent.
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Small leaves
New leaves may grow smaller in size compared to the previous ones once they have matured.
Leggy or sparse growth
The spaces between leaves or stems of your lemon balm may become longer, resulting in a thin and stretched-out appearance. This can make the plant look sparse and weak, and it may easily break or lean due to its own weight.
Faster leaf drop
When plants are exposed to low light conditions, they tend to shed older leaves early to conserve resources. Within a limited time, these resources can be utilized to grow new leaves until the plant's energy reserves are depleted.
Slower or no new growth
Lemon balm enters a survival mode when light conditions are poor, which leads to a halt in leaf production. As a result, the plant's growth becomes delayed or stops altogether.
Lighter-colored new leaves
Insufficient sunlight can cause leaves to develop irregular color patterns or appear pale. This indicates a lack of chlorophyll and essential nutrients.
Solutions
1. To ensure optimal growth, gradually move plants to a sunnier location each week, until they receive at least 6 hours of direct sunlight daily. Use a south-facing window and keep curtains open during the day for maximum sunlight exposure and nutrient accumulation.2. To provide additional light for your plant, consider using artificial light if it's large or not easily movable. Keep a desk or ceiling lamp on for at least 8 hours daily, or invest in professional plant grow lights for ample light.
Excessive light
Lemon balm thrives in full sun exposure and can tolerate intense sunlight. With their remarkable resilience, symptoms of sunburn may not be easily visible, as they rarely suffer from it.
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Chlorosis
Chlorosis is a condition where the plant's leaves lose their green color and turn yellow. This is due to the breakdown of chlorophyll from excessive sunlight, which negatively affects the plant's ability to photosynthesize.
Sunscald
Sunscald occurs when the plant's leaves or stems are damaged by intense sunlight exposure. It appears as pale, bleached, or necrotic areas on the plant tissue and can reduce the plant's overall health.
Leaf Curling
Leaf curling is a symptom where leaves curl or twist under extreme sunlight conditions. This is a defense mechanism used by the plant to reduce its surface area exposed to sunlight, minimizing water loss and damage.
Wilting
Wilting occurs when a plant loses turgor pressure and its leaves and stems begin to droop. Overexposure to sunlight can cause wilting by increasing the plant's water loss through transpiration, making it difficult for the plant to maintain adequate hydration.
Leaf Scorching
Leaf scorching is a symptom characterized by the appearance of brown, dry, and crispy edges or patches on leaves due to excessive sunlight. This can lead to a reduction in photosynthetic capacity and overall plant health.
Solutions
1. Move your plant to the optimal position where it can receive abundant sunlight but also have some shade. An east-facing window is an ideal choice as the morning sunlight is gentler. This way, your plant can enjoy ample sunlight while reducing the risk of sunburn.2. It is recommended to trim off any completely dehydrated or withered parts of the plant.
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Temperature
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Requirements
Ideal
Tolerable
Unsuitable
Just like people, each plant has its own preferences. Learn about your plants' temperature needs and create a comforting environment for them to flourish. As you care for your plants, your bond with them will deepen. Trust your intuition as you learn about their temperature needs, celebrating the journey you share. Lovingly monitor the temperature around your plants and adjust their environment as needed. A thermometer can be your ally in this heartfelt endeavor. Be patient and gentle with yourself as you explore your plants' temperature needs. Cherish your successes, learn from challenges, and nurture your garden with love, creating a haven that reflects the warmth of your care.
Essentials
Lemon balm originates from regions where the temperatures are typically 68 to 95 °F (20 to 35 ℃). This indicates a distinct preference for a warmer climate. For optimum growth, adjust temperatures to meet these preferences whenever possible.
Regional wintering strategies
Lemon balm has strong cold resistance, so special frost protection measures are usually not necessary during winter. However, if the winter temperatures are expected to drop below {Limit_growth_temperature}, it is still important to provide cold protection. This can be achieved by covering the plant with materials such as soil or straw. Before the first freeze in autumn, it is recommended to water the plant abundantly, ensuring the soil remains moist and enters a frozen state. This helps prevent drought and water scarcity for the plant during winter and early spring.
Important Symptoms
Low Temperature
Lemon balm is cold-tolerant and thrives best when the temperature is above {Suitable_growth_temperature_min}. During winter, it should be kept above {Tolerable_growing_temperature_min}. When the temperature falls below {Limit_growth_temperature}, although there may not be any noticeable changes during winter, there may be a decrease in sprouting or even no sprouting during springtime.
Solutions
In spring, remove any parts that have failed to sprout.
High Temperature
During summer, Lemon balm should be kept below {Suitable_growth_temperature_max}. When the temperature exceeds {Tolerable_growing_temperature_max}, the leaves of the plant may become lighter in color, prone to curling, susceptible to sunburn, and in severe cases, the entire plant may wilt and become dry.
Solutions
Trim away the sunburned and dried-up parts. Move the plant to a location that provides shade from the midday and afternoon sun, or use a shade cloth to create shade. Water the plant in the morning and evening to keep the soil moist.
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Transplant
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How to Successfully Transplant Lemon Balm?
Lemon balm ideally flourishes when transplanted during mid-spring to early summer, as this period offers optimal growing conditions. Choose a sunny or partially shaded location with well-draining soil. If necessary, enrich the soil with organic matter prior to transplanting for better growth.
What Preparations are Needed Before Transplanting Lemon Balm?
What is the Ideal Time for Transplanting Lemon Balm?
The perfect moment to transplant lemon balm is during the delightful mid-spring to early summer season. This period ensures optimal growth and enhances the plant's delightful aroma. Give your garden a beautiful touch with lemon balm this season!
How Much Space Should You Leave Between Lemon Balm Plants?
When transplanting lemon balm, remember to space the plants about 1-2 feet (30-60 cm) apart. This will give them enough room to grow and spread.
What is the Best Soil Mix for Lemon Balm Transplanting?
For lemon balm, the ideal soil type is well-draining, with a pH of 6-7.5. Add compost and a balanced organic fertilizer to create a nutrient-rich base for your plant's growth.
Where Should You Relocate Your Lemon Balm?
Choose a location that receives full sun to partial shade for your lemon balm. They can tolerate a range of light conditions, but 4-6 hours of sunlight daily is ideal for optimal growth.
What Equipments Should You Prepare Before Transplantation Lemon Balm?
Gardening Gloves
To protect your hands while working with the soil and plant.
Shovel or Spade
To dig a hole for transplanting and remove the plant from its original location.
Watering Can or Garden Hose
To water the plant before and after transplanting.
Pruning Shears
To trim away any dead or damaged leaves and branches.
Trowel
To help position the plant in its new hole and add soil.
Garden Fork or Rake
To loosen and prepare the soil for planting.
Compost or Organic Matter
To enrich the soil and ensure proper nutrient supply to the plant.
How Do You Remove Lemon Balm from the Soil?
- From Ground: First, water the lemon balm plant to dampen the soil. Then, dig a wide trench around the plant using a shovel or spade, ensuring the plant's root ball remains intact. Carefully work the spade under the root ball to lift the plant from its original location.
- From Pot: If the lemon balm plant is in a pot, water it thoroughly and allow the excess water to drain. Gently squeeze or tap the sides of the pot to loosen the root ball before carefully removing the plant from the pot by turning it upside down while supporting the root ball.
- From Seedling Tray: If transplanting from a seedling tray, water the tray and allow the excess water to drain. Carefully lift the lemon balm seedling with a trowel, or by using your fingers, supporting the root ball and the delicate stem.
Step-by-Step Guide for Transplanting Lemon Balm
Step1 Site Selection
Choose a location with appropriate sunlight and space for your lemon balm plant to grow to its mature size.
Step2 Soil Preparation
Use a garden fork or rake to loosen and prepare the soil at the transplant site, removing any weeds, rocks, or debris.
Step3 Enrich Soil
Add compost or organic matter to the planting area to improve soil structure and nutrient content.
Step4 Dig Hole
Use a shovel or spade to dig a hole that is twice as wide and as deep as the lemon balm plant's root ball.
Step5 Plant Placement
Carefully position the lemon balm plant in the hole so that its root ball is level with the surrounding soil. Gently spread the roots out in the hole if they are compacted.
Step6 Fill Hole
Fill the hole with soil, pressing down gently to remove any air pockets. Firmly but carefully pack the soil around the plant to ensure it is stable.
Step7 Water
Thoroughly water the lemon balm plant to moisten the soil and settle it around the root ball.
How Do You Care For Lemon Balm After Transplanting?
Watering
Keep the soil around the lemon balm consistently moist, but not soggy, for the first few weeks after transplanting to help establish strong roots.
Pruning
Use pruning shears to trim away any dead or damaged leaves and branches to encourage new, healthy growth.
Fertilization
Fertilize the lemon balm plant using a balanced, all-purpose fertilizer or compost after transplanting to help promote vigorous growth.
Pest Management
Keep an eye out for pests and diseases, and treat them promptly using appropriate organic or chemical methods.
Monitoring Growth
Regularly observe the lemon balm plant to ensure proper growth and overall health, providing appropriate care as needed.
Troubleshooting Common Issues with Lemon Balm Transplantation.
When is the best time to transplant lemon balm?
The ideal time for transplanting lemon balm is from mid-spring to early summer, when the weather is mild and stable.
How should I space lemon balm plants during transplanting?
Give lemon balm plants ample space by keeping them 1-2 feet (30-60 cm) apart from each other for proper growth.
What kind of soil is suitable for transplanting lemon balm?
Lemon balm prefers well-draining, fertile soil with a pH between 6.0 and 7.5. Add organic matter to improve soil quality.
How deep should I plant lemon balm during transplanting?
Dig a hole deep enough to accommodate the rootball, typically around 6 inches (15 cm), and bury the roots completely.
How much water does lemon balm need after transplanting?
Keep the soil consistently moist, but not soggy. Water lemon balm once a week, or more often during dry spells.
Does lemon balm require a lot of sunlight when transplanted outdoors?
Lemon balm thrives in full sun to partial shade. Choose a location where it receives at least 4-6 hours of sunlight daily.
How should I prepare the transplant site for lemon balm?
Remove any weeds, loosen the soil, and mix in compost or other organic matter prior to transplanting lemon balm.
Should I fertilize lemon balm during transplanting?
Yes, apply a balanced fertilizer at the time of transplanting, as well as every 4-6 weeks thereafter for optimal growth.
When can I safely transplant lemon balm seedlings?
Transplant lemon balm seedlings when they have 3-4 sets of true leaves and the outdoor temperatures are consistently mild.
What pests and diseases affect transplanted lemon balm?
Watch out for whiteflies, spider mites, and powdery mildew. Keep the planting area clean and encourage beneficial insects.
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