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Common primrose play
Common primrose
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Common primrose
Common primrose
Common primrose
Primula acaulis
Also known as : English primrose
Common primrose is a welcome sight in an early spring landscape. The vibrant colors of the flowers and a light, delicate scent make the common primrose a favorite. This plant provides vibrant color to any container or flowerbed, with hues available in yellow, pink, purple, blue, orange, red, white and bi-color.
Hardiness Zones
Hardiness Zones
4 to 8
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care guide

Care Guide for Common primrose

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Watering Care
Watering Care
Common primrose has shallow roots, so it needs consistent amounts of moisture to thrive. When the surface of the soil starts to feel a bit dry, water your plant to a depth of 6 inches. Never let the soil become completely dried out, and give it extra attention in the hotter days.
Details on Watering Care Watering Care
Fertilizing Care
Fertilizing Care
Before the flowers bloom in the spring, it's best to give your common primrose plant some extra food. However, it doesn't need much, so only apply a small or diluted amount of all-purpose fertilizer once in the early spring, and your plant will be good to go!
Details on Fertilizing Care Fertilizing Care
Pruning
Pruning
Trim the diseased, withered leaves once a month.
Details on Pruning Pruning
Soil Care
Soil Care
Sand, Loam, Acidic, Neutral, Alkaline
Details on Soil Care Soil Care
Repotting
Repotting
Needs excellent drainage in pots
Details on Repotting Repotting
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Common primrose
Water
Water
Every week
Hardiness Zones
Hardiness Zones
4 to 8
Planting Time
Planting Time
Winter, Spring
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Questions About Common primrose

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Watering Watering Watering
Pruning Pruning Pruning
Sunlight Sunlight Sunlight
Temperature Temperature Temperature
Fertilizing Fertilizing Fertilizing
What is the best way to water my Common primrose?
When watering the Common primrose, you should aim to use filtered water that is at room temperature. Filtered water is better for this plant, as tap water can contain particles that are harmful to its health. The reason that the water should be at room temperature or slightly warmer is that the Common primrose comes from a warm environment, and cold water can be somewhat of a shock to its system. Also, you should avoid overhead watering for this plant, as it can cause foliage complications. Instead, simply apply your filtered room temperature water to the soil until the soil is entirely soaked. Soaking the soil can be very beneficial for this plant as it moistens the roots and helps them continue to spread through the soil and collect the nutrients they need.
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What should I do if I water my Common primrose too much or too little?
Both overwatering and underwatering will be detrimental to the health of your Common primrose, but overwatering is a far more common issue. When this species receives too much water, its stems and leaves may begin to wilt and turn from green to yellow. Overwatering over a prolonged period may also lead to diseases such as root rot, mold, and mildew, all of which can kill your plant. Underwatering is far less common for the Common primrose, as this plant has decent drought tolerance. However, underwatering remains a possibility, and when it occurs, you can expect to find that the leaves of your Common primrose have become brittle and brown.
It is crucial that you notice the signs of overwatering as soon as possible when caring for your Common primrose. Some of the diseases that arise from overwatering, such as root rot, may not be correctable if you wait too long. If you see early signs of overwatering, you should reduce your watering schedule immediately. You may also want to assess the quality of soil in which your Common primrose grows. If you find that the soil drains very poorly, you should replace it immediately with a loose, well-draining potting mix. On the other hand, if you find signs that your Common primrose is receiving too little water, all you need to do is water more regularly until those signs have subsided.
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How often should I water my Common primrose?
If your plant is in a pot. The most precise way to decide whether your Common primrose needs water is to plunge your finger into the soil. If you notice that the first two to three inches of soil have become dry, it is time to add some water.
If you grow your Common primrose outdoors in the ground, you can use a similar method to test the soil. Again, when you find that the first few inches of soil have dried out, it is time to add water. During the spring and early fall, this method will often lead you to water this plant about once every week. When extremely hot weather arrives, you may need to increase your watering frequency to about twice or more per week. With that said, mature, well-established the Common primrose can show an admirable ability to withstand drought.
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How much water does my Common primrose need?
When it comes time to water your Common primrose, you should not be shy about how much water you give. With the first two to three inches of soil dry, this plant will appreciate a long and thorough watering. Supply enough water to soak the soil entirely. The amount of water you add should be enough to cause excess water to flow through the drainage holes at the bottom of your pot. If you don’t see excess water draining from the pot, you have likely underwatered your plant. But do not let the water accumulate inside the soil, which will be very dangerous to the plant as well. Alternatively, a lack of water draining through the pot could indicate poorly draining soils, which is detrimental to the health of this plant and should be avoided. If the plant is outside, 1 inch of rain per week will be sufficient.
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How should I water my Common primrose at different growth stages?
The water needs of the Common primrose can change depending on growth stages as well. For example, when your Common primrose is in the first few years of its life, or if you have just transplanted it to a new growing location, you will need to give more water than usual. During both of those stages, your Common primrose will put a lot of energy towards sprouting new roots that will then support future growth. For those roots to perform their best, they need a bit more moisture than they would at a more mature phase. After a few seasons, your Common primrose will need much less water. Another growth stage in which this plant may need more water is during the bloom period. Flower development can make use of a significant amount of moisture, which is why you might need to give your Common primrose more water at this time.
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How should I water my Common primrose through the seasons?
The Common primrose will have its highest water needs during the hottest months of the year. During the height of summer, you may need to give this plant water more than once per week, depending on how fast the soil dries out. The opposite is true during the winter. In winter, your plant will enter a dormant phase, in which it will need far less water than usual. In fact, you may not need to water this plant at all during the winter months. However, if you do water during winter, you should not do so more than about once per month. Watering too much at this time will make it more likely that your Common primrose will contract a disease.
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What's the difference between watering my Common primrose indoors and outdoors?
It is most common to grow the Common primrose indoors for any gardener that does not live in temperate and tropical regions. Those gardeners should consider the fact that soil in a container can dry out a bit faster than ground soil. Also, the presence of drying elements such as air conditioning units can cause your Common primrose to need water on a more frequent basis as well. if you planted it outside. When that is the case, it’s likely you won’t need to water your Common primrose very much at all. If you receive rainfall on a regular basis, that may be enough to keep your plant alive. Alternatively, those who grow this plant inside will need to water it more often, as allowing rainwater to soak the soil will not be an option.
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Key Facts About Common primrose

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Attributes of Common primrose

Lifespan
Perennial
Plant Type
Herb
Planting Time
Winter, Spring
Bloom Time
Mid spring, Late spring, Early summer
Harvest Time
Summer
Plant Height
10 cm to 30 cm
Spread
15 cm to 30 cm
Leaf Color
Green
Flower Size
2 cm to 4 cm
Flower Color
Yellow
White
Pink
Purple
Blue
Red
Gold
Stem Color
Green
Dormancy
Winter dormancy
Leaf type
Semi-evergreen, Evergreen
Ideal Temperature
5 - 32 ℃

Name story

Common primrose
The botanical name holds the same meaning as the common name primrose. It is derived from a late Latin word "prima rosa", consisting of prima meaning "first" and rosa meaning "rose". The specific epithet vulgaris means "common", so it is called common primrose.

Symbolism

The First, Prime, Early Youth, Early Love

Usages

Garden Use
Common primrose is enormously popular in gardens due to its versatility and wide range of colors. Gardeners will get maximum benefit from the common primrose when it is planted together with other flowering species in pleasing color combinations. It is perfect for containers, beds, and anywhere shady where mass planting is desirable.

Trivia and Interesting Facts

Flowering early in the year, common primrose (Primula acaulis) is visited by many different insects, including butterflies, bumblebees, and beetles. The most common visitors are beetles from the genus Meligethes; as many as a dozen of these individuals will crowd onto a single flower.

Scientific Classification of Common primrose

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pests

Common Pests & Diseases About Common primrose

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Common issues for Common primrose based on 10 million real cases
flower wilting
flower wilting flower wilting
flower wilting
Wilting is a plant disease that severely impacts the health of Common primrose, leading to a weak and deteriorated appearance. It's often provoked by pathogens or harsh environmental conditions, causing significant losses if not swiftly managed.
Brown blotch yellow edge
Brown blotch yellow edge Brown blotch yellow edge
Brown blotch yellow edge
Brown spot is a fungal plant disease that affects Common primrose. It causes reddish-brown spots on leaves, damaging its aesthetic value and overall plant's health.
Leaf rot
Leaf rot Leaf rot
Leaf rot
Leaf rot is a fungal disease that primarily affects Common primrose. It can cause browning, wilting, and death of the plant, severely impacting its growth and blooming capability. It is exacerbated by wet conditions and inadequate irrigation habits.
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.
Brown spot
Brown spot Brown spot
Brown spot
This infection can cause brown spots or patches to appear on the plant.
Solutions: In minor cases of brown spot, there isn’t any need to treat the disease. However, if much of the foliage is affected and defoliation occurs, the plant will benefit from getting rid of the infection. It is recommended to start by applying organic treatment options, working up to the more potent synthetic, chemical fungicides if necessary. Organic options won’t kill the fungus, but will prevent it from spreading. Dissolve ½ teaspoon of baking soda and one teaspoon of liquid soap in a gallon of water. Using a spray bottle, spray on tops and bottoms of leaves until the mixture drips off. Repeat every two weeks until existing spots stop enlarging and new spots no longer appear. Spray a copper-based fungicidal soap on the leaves, coating the top and bottom leaf surfaces. Reapply as directed on the product label. Copper penetrates the leaf surface and prevents germination of spores so the fungus cannot spread. Apply an all-purpose fungicide to the entire plant, following the label instructions carefully.
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flower wilting
Overview
Symptom
Causes
Treatment
Prevention
Active Period
What is flower wilting Disease on Common primrose?
What is flower wilting Disease on Common primrose?
Wilting is a plant disease that severely impacts the health of Common primrose, leading to a weak and deteriorated appearance. It's often provoked by pathogens or harsh environmental conditions, causing significant losses if not swiftly managed.
Symptom Analysis
Symptom Analysis
Common primrose under attack by wilting exhibits drooping leaves first, followed by stunted growth. Eventually, the wilting may lead to pronounced yellowing, shrivelling of leaves, and in severe cases, plant death.
What Causes flower wilting Disease on Common primrose?
What Causes flower wilting Disease on Common primrose?
1
Fungal pathogens
Fusarium and Verticillium, among others, can invade Common primrose's vascular system, blocking water transport and causing wilting.
2
Water stress
Insufficient or excessive water triggers stress in Common primrose, causing its leaves to wilt.
3
Temperature stress
High or low temperatures can cause wilting as Common primrose struggles to maintain optimal metabolic functions.
How to Treat flower wilting Disease on Common primrose?
How to Treat flower wilting Disease on Common primrose?
1
Non pesticide
Water management: Ensure appropriate watering to prevent both over-watering and under-watering.

Temperature control: Ensure Common primrose is in a location with suitable temperatures to avoid temperature stress.
2
Pesticide
Fungicide application: Apply fungicides to control pathogenic fungi.

Soil treatment: Treat the soil before planting Common primrose to kill dormant fungal spores.
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Brown blotch yellow edge
Overview
Symptom
Causes
Treatment
Prevention
Active Period
What is Brown blotch yellow edge Disease on Common primrose?
What is Brown blotch yellow edge Disease on Common primrose?
Brown spot is a fungal plant disease that affects Common primrose. It causes reddish-brown spots on leaves, damaging its aesthetic value and overall plant's health.
Symptom Analysis
Symptom Analysis
Symptoms of Brown Spot on Common primrose are circular, reddish-brown spots on the leaves, typically surrounded by a yellow halo. As the disease progresses, the leaves might wilt and fall off .
What Causes Brown blotch yellow edge Disease on Common primrose?
What Causes Brown blotch yellow edge Disease on Common primrose?
1
Pathogen
Alternaria alternate - This fungus is the primary cause of Brown Spot disease on Common primrose.
2
Environmental factors
High humidity and damp conditions can facilitate the development and spread of this fungal disease.
How to Treat Brown blotch yellow edge Disease on Common primrose?
How to Treat Brown blotch yellow edge Disease on Common primrose?
1
Non pesticide
Pruning: Regularly prune Common primrose to improve airflow, reducing the humidity that facilitates fungal growth.

Resistant varieties: Plant disease-resistant varieties of Common primrose to prevent infection.
2
Pesticide
Fungicides: Apply suitable fungicides, such as copper-based ones, to control the spread of the fungus.

Regular application: Regular application of fungicides will help keep the disease in check.
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Leaf rot
Overview
Symptom
Causes
Treatment
Prevention
Active Period
What is Leaf rot Disease on Common primrose?
What is Leaf rot Disease on Common primrose?
Leaf rot is a fungal disease that primarily affects Common primrose. It can cause browning, wilting, and death of the plant, severely impacting its growth and blooming capability. It is exacerbated by wet conditions and inadequate irrigation habits.
Symptom Analysis
Symptom Analysis
Early indicators of leaf rot in Common primrose are yellowing or browning of the lower leaves, followed by wilting or drooping. In severe cases, the plant fails to flower, and the entire plant may eventually die.
What Causes Leaf rot Disease on Common primrose?
What Causes Leaf rot Disease on Common primrose?
1
Fungi
Leaf rot is caused mainly by fungal pathogens like Pythium, Phytophthora or Rhizoctonia, which thrive in waterlogged, poorly aerated soil conditions.
How to Treat Leaf rot Disease on Common primrose?
How to Treat Leaf rot Disease on Common primrose?
1
Non pesticide
Proper Irrigation: Avoid overwatering and ensure good soil drainage to create an unfavourable environment for fungal development.

Removal and Disposal: Remove and dispose of infected parts or whole plants as appropriate, to limit the spread of the disease.
2
Pesticide
Fungicides: Apply fungicides specific for Pythium, Phytophthora or Rhizoctonia pathogens, following the manufacturer's instructions.
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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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Brown spot
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Brown spot
This infection can cause brown spots or patches to appear on the plant.
Overview
Overview
Discolored spots on the foliage of plants are one of the most common disease problems people observe. These spots are caused by fungal and bacterial diseases, with most infections related to a fungal pathogen.
Brown spot can occurs on all houseplants, flowering ornamentals, vegetable plants, and leaves of trees, bushes, and shrubs. No plants are resistant to it, and the problem is worse in warm, wet environments. It can occur at any point in the life stage as long as leaves are present.
Small brownish spots appear on the foliage and enlarge as the disease progresses. In severe cases, the plant or tree is weakened when the lesions interrupt photosynthesis or cause defoliation.
Symptom Analysis
Symptom Analysis
In most cases, brown spot only affects a small percentage of the whole plant, appearing on a small amount of the leaves. A small infection only puts minor stress on the plant. However, if left untreated and the disease progresses over numerous seasons, it will severely impact the health and productivity of the infected specimen.
  • Sporulation begins (reproduction of the fungal spores), and tiny spots appear on leaves.
  • Placement is often random and scattered as diseases are spread through raindrops.
  • May appear on lower leaves and the interior of the plant where humidity is higher.
  • Brown spots enlarge and grow large enough to touch neighboring spots to form a more prominent blotch.
  • Leaf margins may turn yellow.
  • Tiny black dots (fruiting bodies of the fungi) appear in the dead spots.
  • Blotches grow in size until the entire leaf is brown.
  • The leaf falls off the plant.
Severe Symptoms
  • Partial or complete premature defoliation
  • Reduced growth
  • Increased susceptibility to pests and other diseases
Disease Cause
Disease Cause
Brown spot, or leaf spot, is a common descriptive term given to several diseases affecting the leaves of plants and trees. Around 85% of diseases exhibiting leaf spots are due to fungus or fungus-like organisms. Sometimes brown spot is caused by a bacterial infection, or insect activity with similar symptoms.
When conditions are warm and the leaf surfaces are wet, fungal spores being transported by wind or rain land on the surface and cling to it. They do not rupture the cell walls but grow in the space between the plant plasma membrane and the plant cell wall. As the spores reproduce, they release toxins and enzymes that cause necrotic spots (i.e., dead tissue) on the leaves, allowing the fungi to consume the products released when the cells degrade.
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More Info on Common Primrose Growth and Care

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Basic Care Guide
Common Pests & Diseases
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Lighting
Partial sun
Common primrose generally thrives in areas that receive a blend of sun and shade throughout the day. Its capacity to withstand both ample sun exposure and dim conditions implies origination from an environment with varying light levels. However, extremes of either condition could potentially harm the plant by impeding its healthy growth.
Best Sunlight Practices
Temperature
-25 - 35 ℃
The common primrose thrives in cool to mild environments, with a preferred temperature range of 41 ℉ (5 ℃) to 89.6 ℉ (32 ℃). In the winter, it should be placed in areas with temperatures between 32 ℉ (0 ℃) to 50 ℉ (10 ℃) to promote dormancy. During the spring and summer, maintain temperatures between 59 ℉ (15 ℃) to 68 ℉ (20 ℃) for optimal growth.
Temp for Healthy Growth
Transplant
6-8 inches
The prime time to transplant common primrose is from early to late summer, as it allows adequate root development before winter. Choose a partially shaded location with well-draining soil. Gently loosen the root ball while transplanting to encourage healthy growth. Happy gardening!
Transplant Techniques
Pruning
Spring, Summer, Autumn
A beloved early spring bloomer, common primrose boasts vibrant flowers and rosette-forming foliage. Deadheading spent blooms maintains aesthetics and encourages more flowers. Cut back after flowering to keep tidy. Best pruned in early spring or late fall to avoid disrupting bloom cycles. Overly dense clumps can be thinned for health. Pruning benefits include promoting vigorous growth and preventing disease by enhancing air circulation.
Pruning techniques
Propagation
Spring, Summer
Common primrose primarily propagates through cuttings during the warmer seasons of spring and summer. The propagation process is moderately easy, with successful growth indicated by new leaves. Keep cuttings in a moist environment and avoid direct sunlight for optimal results.
Propagation Techniques
flower wilting
Wilting is a plant disease that severely impacts the health of Common primrose, leading to a weak and deteriorated appearance. It's often provoked by pathogens or harsh environmental conditions, causing significant losses if not swiftly managed.
Learn More About the Disease
Brown blotch yellow edge
Brown spot is a fungal plant disease that affects Common primrose. It causes reddish-brown spots on leaves, damaging its aesthetic value and overall plant's health.
Learn More About the Disease
Leaf rot
Leaf rot is a fungal disease that primarily affects Common primrose. It can cause browning, wilting, and death of the plant, severely impacting its growth and blooming capability. It is exacerbated by wet conditions and inadequate irrigation habits.
Learn More About the Disease
Feng shui direction
Southwest
The common primrose harmonizes well within a Southwest-facing area of your home or office. This orientation, representing the Earth element in Feng Shui, is believed to retain the plant's vivaciousness. However, keep in mind that Feng Shui insights are subjective and can diverge across practitioners.
Fengshui Details
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Common primrose
Common primrose
Common primrose
Common primrose
Primula acaulis
Also known as: English primrose
Common primrose is a welcome sight in an early spring landscape. The vibrant colors of the flowers and a light, delicate scent make the common primrose a favorite. This plant provides vibrant color to any container or flowerbed, with hues available in yellow, pink, purple, blue, orange, red, white and bi-color.
Hardiness Zones
Hardiness Zones
4 to 8
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Questions About Common primrose

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Watering Watering Watering
Pruning Pruning Pruning
Sunlight Sunlight Sunlight
Temperature Temperature Temperature
Fertilizing Fertilizing Fertilizing
What is the best way to water my Common primrose?
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What should I do if I water my Common primrose too much or too little?
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How often should I water my Common primrose?
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How much water does my Common primrose need?
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How should I water my Common primrose at different growth stages?
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How should I water my Common primrose through the seasons?
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What's the difference between watering my Common primrose indoors and outdoors?
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Attributes of Common primrose

Lifespan
Perennial
Plant Type
Herb
Planting Time
Winter, Spring
Bloom Time
Mid spring, Late spring, Early summer
Harvest Time
Summer
Plant Height
10 cm to 30 cm
Spread
15 cm to 30 cm
Leaf Color
Green
Flower Size
2 cm to 4 cm
Flower Color
Yellow
White
Pink
Purple
Blue
Red
Gold
Stem Color
Green
Dormancy
Winter dormancy
Leaf type
Semi-evergreen, Evergreen
Ideal Temperature
5 - 32 ℃
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Name story

Common primrose
The botanical name holds the same meaning as the common name primrose. It is derived from a late Latin word "prima rosa", consisting of prima meaning "first" and rosa meaning "rose". The specific epithet vulgaris means "common", so it is called common primrose.

Symbolism

The First, Prime, Early Youth, Early Love

Usages

Garden Use
Common primrose is enormously popular in gardens due to its versatility and wide range of colors. Gardeners will get maximum benefit from the common primrose when it is planted together with other flowering species in pleasing color combinations. It is perfect for containers, beds, and anywhere shady where mass planting is desirable.

Trivia and Interesting Facts

Flowering early in the year, common primrose (Primula acaulis) is visited by many different insects, including butterflies, bumblebees, and beetles. The most common visitors are beetles from the genus Meligethes; as many as a dozen of these individuals will crowd onto a single flower.

Scientific Classification of Common primrose

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pests

Common Pests & Diseases About Common primrose

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Common issues for Common primrose based on 10 million real cases
flower wilting
flower wilting flower wilting flower wilting
Wilting is a plant disease that severely impacts the health of Common primrose, leading to a weak and deteriorated appearance. It's often provoked by pathogens or harsh environmental conditions, causing significant losses if not swiftly managed.
Learn More About the flower wilting more
Brown blotch yellow edge
Brown blotch yellow edge Brown blotch yellow edge Brown blotch yellow edge
Brown spot is a fungal plant disease that affects Common primrose. It causes reddish-brown spots on leaves, damaging its aesthetic value and overall plant's health.
Learn More About the Brown blotch yellow edge more
Leaf rot
Leaf rot Leaf rot Leaf rot
Leaf rot is a fungal disease that primarily affects Common primrose. It can cause browning, wilting, and death of the plant, severely impacting its growth and blooming capability. It is exacerbated by wet conditions and inadequate irrigation habits.
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
Brown spot
Brown spot Brown spot Brown spot
This infection can cause brown spots or patches to appear on the plant.
Solutions: In minor cases of brown spot, there isn’t any need to treat the disease. However, if much of the foliage is affected and defoliation occurs, the plant will benefit from getting rid of the infection. It is recommended to start by applying organic treatment options, working up to the more potent synthetic, chemical fungicides if necessary. Organic options won’t kill the fungus, but will prevent it from spreading. Dissolve ½ teaspoon of baking soda and one teaspoon of liquid soap in a gallon of water. Using a spray bottle, spray on tops and bottoms of leaves until the mixture drips off. Repeat every two weeks until existing spots stop enlarging and new spots no longer appear. Spray a copper-based fungicidal soap on the leaves, coating the top and bottom leaf surfaces. Reapply as directed on the product label. Copper penetrates the leaf surface and prevents germination of spores so the fungus cannot spread. Apply an all-purpose fungicide to the entire plant, following the label instructions carefully.
Learn More About the Brown spot more
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flower wilting
Overview
Symptom
Causes
Treatment
Prevention
Active Period
What is flower wilting Disease on Common primrose?
What is flower wilting Disease on Common primrose?
Wilting is a plant disease that severely impacts the health of Common primrose, leading to a weak and deteriorated appearance. It's often provoked by pathogens or harsh environmental conditions, causing significant losses if not swiftly managed.
Symptom Analysis
Symptom Analysis
Common primrose under attack by wilting exhibits drooping leaves first, followed by stunted growth. Eventually, the wilting may lead to pronounced yellowing, shrivelling of leaves, and in severe cases, plant death.
What Causes flower wilting Disease on Common primrose?
What Causes flower wilting Disease on Common primrose?
1
Fungal pathogens
Fusarium and Verticillium, among others, can invade Common primrose's vascular system, blocking water transport and causing wilting.
2
Water stress
Insufficient or excessive water triggers stress in Common primrose, causing its leaves to wilt.
3
Temperature stress
High or low temperatures can cause wilting as Common primrose struggles to maintain optimal metabolic functions.
How to Treat flower wilting Disease on Common primrose?
How to Treat flower wilting Disease on Common primrose?
1
Non pesticide
Water management: Ensure appropriate watering to prevent both over-watering and under-watering.

Temperature control: Ensure Common primrose is in a location with suitable temperatures to avoid temperature stress.
2
Pesticide
Fungicide application: Apply fungicides to control pathogenic fungi.

Soil treatment: Treat the soil before planting Common primrose to kill dormant fungal spores.
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Brown blotch yellow edge
Overview
Symptom
Causes
Treatment
Prevention
Active Period
What is Brown blotch yellow edge Disease on Common primrose?
What is Brown blotch yellow edge Disease on Common primrose?
Brown spot is a fungal plant disease that affects Common primrose. It causes reddish-brown spots on leaves, damaging its aesthetic value and overall plant's health.
Symptom Analysis
Symptom Analysis
Symptoms of Brown Spot on Common primrose are circular, reddish-brown spots on the leaves, typically surrounded by a yellow halo. As the disease progresses, the leaves might wilt and fall off .
What Causes Brown blotch yellow edge Disease on Common primrose?
What Causes Brown blotch yellow edge Disease on Common primrose?
1
Pathogen
Alternaria alternate - This fungus is the primary cause of Brown Spot disease on Common primrose.
2
Environmental factors
High humidity and damp conditions can facilitate the development and spread of this fungal disease.
How to Treat Brown blotch yellow edge Disease on Common primrose?
How to Treat Brown blotch yellow edge Disease on Common primrose?
1
Non pesticide
Pruning: Regularly prune Common primrose to improve airflow, reducing the humidity that facilitates fungal growth.

Resistant varieties: Plant disease-resistant varieties of Common primrose to prevent infection.
2
Pesticide
Fungicides: Apply suitable fungicides, such as copper-based ones, to control the spread of the fungus.

Regular application: Regular application of fungicides will help keep the disease in check.
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Leaf rot
Overview
Symptom
Causes
Treatment
Prevention
Active Period
What is Leaf rot Disease on Common primrose?
What is Leaf rot Disease on Common primrose?
Leaf rot is a fungal disease that primarily affects Common primrose. It can cause browning, wilting, and death of the plant, severely impacting its growth and blooming capability. It is exacerbated by wet conditions and inadequate irrigation habits.
Symptom Analysis
Symptom Analysis
Early indicators of leaf rot in Common primrose are yellowing or browning of the lower leaves, followed by wilting or drooping. In severe cases, the plant fails to flower, and the entire plant may eventually die.
What Causes Leaf rot Disease on Common primrose?
What Causes Leaf rot Disease on Common primrose?
1
Fungi
Leaf rot is caused mainly by fungal pathogens like Pythium, Phytophthora or Rhizoctonia, which thrive in waterlogged, poorly aerated soil conditions.
How to Treat Leaf rot Disease on Common primrose?
How to Treat Leaf rot Disease on Common primrose?
1
Non pesticide
Proper Irrigation: Avoid overwatering and ensure good soil drainage to create an unfavourable environment for fungal development.

Removal and Disposal: Remove and dispose of infected parts or whole plants as appropriate, to limit the spread of the disease.
2
Pesticide
Fungicides: Apply fungicides specific for Pythium, Phytophthora or Rhizoctonia pathogens, following the manufacturer's instructions.
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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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Brown spot
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Brown spot
This infection can cause brown spots or patches to appear on the plant.
Overview
Overview
Discolored spots on the foliage of plants are one of the most common disease problems people observe. These spots are caused by fungal and bacterial diseases, with most infections related to a fungal pathogen.
Brown spot can occurs on all houseplants, flowering ornamentals, vegetable plants, and leaves of trees, bushes, and shrubs. No plants are resistant to it, and the problem is worse in warm, wet environments. It can occur at any point in the life stage as long as leaves are present.
Small brownish spots appear on the foliage and enlarge as the disease progresses. In severe cases, the plant or tree is weakened when the lesions interrupt photosynthesis or cause defoliation.
Symptom Analysis
Symptom Analysis
In most cases, brown spot only affects a small percentage of the whole plant, appearing on a small amount of the leaves. A small infection only puts minor stress on the plant. However, if left untreated and the disease progresses over numerous seasons, it will severely impact the health and productivity of the infected specimen.
  • Sporulation begins (reproduction of the fungal spores), and tiny spots appear on leaves.
  • Placement is often random and scattered as diseases are spread through raindrops.
  • May appear on lower leaves and the interior of the plant where humidity is higher.
  • Brown spots enlarge and grow large enough to touch neighboring spots to form a more prominent blotch.
  • Leaf margins may turn yellow.
  • Tiny black dots (fruiting bodies of the fungi) appear in the dead spots.
  • Blotches grow in size until the entire leaf is brown.
  • The leaf falls off the plant.
Severe Symptoms
  • Partial or complete premature defoliation
  • Reduced growth
  • Increased susceptibility to pests and other diseases
Disease Cause
Disease Cause
Brown spot, or leaf spot, is a common descriptive term given to several diseases affecting the leaves of plants and trees. Around 85% of diseases exhibiting leaf spots are due to fungus or fungus-like organisms. Sometimes brown spot is caused by a bacterial infection, or insect activity with similar symptoms.
When conditions are warm and the leaf surfaces are wet, fungal spores being transported by wind or rain land on the surface and cling to it. They do not rupture the cell walls but grow in the space between the plant plasma membrane and the plant cell wall. As the spores reproduce, they release toxins and enzymes that cause necrotic spots (i.e., dead tissue) on the leaves, allowing the fungi to consume the products released when the cells degrade.
Solutions
Solutions
In minor cases of brown spot, there isn’t any need to treat the disease. However, if much of the foliage is affected and defoliation occurs, the plant will benefit from getting rid of the infection. It is recommended to start by applying organic treatment options, working up to the more potent synthetic, chemical fungicides if necessary.
Organic options won’t kill the fungus, but will prevent it from spreading.
  1. Dissolve ½ teaspoon of baking soda and one teaspoon of liquid soap in a gallon of water. Using a spray bottle, spray on tops and bottoms of leaves until the mixture drips off. Repeat every two weeks until existing spots stop enlarging and new spots no longer appear.
  2. Spray a copper-based fungicidal soap on the leaves, coating the top and bottom leaf surfaces. Reapply as directed on the product label. Copper penetrates the leaf surface and prevents germination of spores so the fungus cannot spread.
  3. Apply an all-purpose fungicide to the entire plant, following the label instructions carefully.
Prevention
Prevention
Like many other diseases, it is easier to prevent brown spot than cure it, and this is done through cultural practices.
  • Clear fall leaves from the ground before winter to minimize places where fungi and bacteria can overwinter.
  • Maintain good air movement between plants through proper plant spacing.
  • Increase air circulation through the center of plants through pruning.
  • Thoroughly clean all pruning tools after working with diseased plants.
  • Never dispose of disease plant material in a compost pile.
  • Avoid overhead watering to keep moisture off of the foliage.
  • Keep plants healthy by providing adequate sunlight, water, and fertilizer.
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Plants Related to Common primrose

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Lighting
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Indoor
Indoor
Outdoor
Choose a site here for personalized care tips.
Requirements
Partial sun
Ideal
About 3-6 hours sunlight
Full sun, Full shade
Tolerance
Above 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
Common primrose generally thrives in areas that receive a blend of sun and shade throughout the day. Its capacity to withstand both ample sun exposure and dim conditions implies origination from an environment with varying light levels. However, extremes of either condition could potentially harm the plant by impeding its healthy growth.
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
Symptoms of Insufficient Light in %s
Common primrose is a versatile plant that thrives in full sunlight but can tolerate partial shade. While it can adapt to different light conditions, when grown indoors with insufficient light, subtle symptoms of light deficiency may arise.
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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 common primrose 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
Common primrose 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 optimize plant growth, shift them to increasingly sunnier spots each week until they receive 3-6 hours of direct sunlight daily, enabling gradual adaptation to changing light conditions.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.
Symptoms of Excessive light in %s
Common primrose thrives in full sun exposure but can adapt to partial shade. Although sunburn symptoms occur occasionally, they are generally tolerant of different light conditions due to their resilience.
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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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Indoor
Indoor
Outdoor
Choose a site here for personalized care tips.
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
The common primrose thrives in cool to mild environments, with a preferred temperature range of 41 ℉ (5 ℃) to 89.6 ℉ (32 ℃). In the winter, it should be placed in areas with temperatures between 32 ℉ (0 ℃) to 50 ℉ (10 ℃) to promote dormancy. During the spring and summer, maintain temperatures between 59 ℉ (15 ℃) to 68 ℉ (20 ℃) for optimal growth.
Regional wintering strategies
Common primrose 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
Symptoms of Low Temperature in Common primrose
Common primrose 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.
Symptoms of High Temperature in Common primrose
During summer, Common primrose 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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