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Mexican tarragon
Mexican tarragon
Mexican tarragon
Mexican tarragon
Mexican tarragon
Mexican tarragon
Mexican tarragon
Tagetes lucida
Also known as : Mexican Mint Marigold, Sweet mace, Texas tarragon, Yerbaniz
Planting Time
Planting Time
Spring
care guide

Care Guide for Mexican tarragon

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Watering Care
Watering Care
Details on Watering Care Watering Care
Fertilizing Care
Fertilizing Care
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, Chalky, Acidic, Neutral, Alkaline
Details on Soil Care Soil Care
Repotting
Repotting
When seedlings grow 2-3 leaves, they can be transplanted into pots.
Details on Repotting Repotting
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Mexican tarragon
Sunlight
Sunlight
Full sun
Hardiness Zones
Hardiness Zones
7 to 11
Planting Time
Planting Time
Spring
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Questions About Mexican tarragon

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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 Mexican tarragon?
When watering the Mexican tarragon, 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 Mexican tarragon 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 Mexican tarragon too much or too little?
Both overwatering and underwatering will be detrimental to the health of your Mexican tarragon, 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 Mexican tarragon, 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 Mexican tarragon have become brittle and brown. It is crucial that you notice the signs of overwatering as soon as possible when caring for your Mexican tarragon. 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 Mexican tarragon 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 Mexican tarragon 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 Mexican tarragon?
If your plant is in a pot. The most precise way to decide whether your Mexican tarragon 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 Mexican tarragon 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 Mexican tarragon can show an admirable ability to withstand drought.
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How much water does my Mexican tarragon need?
When it comes time to water your Mexican tarragon, 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 Mexican tarragon at different growth stages?
The water needs of the Mexican tarragon can change depending on growth stages as well. For example, when your Mexican tarragon 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 Mexican tarragon 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 Mexican tarragon 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 Mexican tarragon more water at this time.
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How should I water my Mexican tarragon through the seasons?
The Mexican tarragon 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 Mexican tarragon will contract a disease.
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What's the difference between watering my Mexican tarragon indoors and outdoors?
It is most common to grow the Mexican tarragon 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 Mexican tarragon 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 Mexican tarragon 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 Mexican tarragon

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Attributes of Mexican tarragon

Lifespan
Perennial, Annual
Plant Type
Herb
Planting Time
Spring
Bloom Time
Summer, Fall
Plant Height
45 cm
Spread
30 cm
Leaf Color
Green
Flower Size
2.5 cm
Flower Color
Yellow
Gold
Fruit Color
Black
Stem Color
Green
Yellow
Leaf type
Semi-evergreen
Ideal Temperature
20 - 38 ℃
Growth Season
Summer, Fall
Growth Rate
Moderate

Scientific Classification of Mexican tarragon

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Common Pests & Diseases About Mexican tarragon

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Whole leaf withering
Whole leaf withering is a disease impacting Mexican tarragon, causing leaf wilt, discoloration, and possible plant death if untreated. This guide details the causes, symptoms, activity, treatment, and prevention.
Wilting after blooming
Wilting after blooming Wilting after blooming
Wilting after blooming
Flowers may wither for a variety of reasons.
Solutions: Check the soil or potting medium. Coarse textures can allow water to drain too rapidly, preventing the plant from taking up enough. If the soil and roots seem very dry, add sphagnum moss or other mediums that hold water. Water according to recommendations for each plant's species. Low humidity can be corrected by misting the plant regularly or placing it near a humidifier. Keeping it near other plants helps, too. Keep the environment consistent in terms of temperature, humidity, and lighting. Keep it away from vents, heaters, and air conditioners, and avoid moving it to locations where it will experience a temperature shock. Hot, dry heat, and cold drafts are problematic for many plants. Especially if the plant is outside, it could be experiencing heat or light stress. Try moving it to a shadier location.
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.
Aged yellow and dry
Aged yellow and dry Aged yellow and dry
Aged yellow and dry
Natural aging can cause leaves to turn yellow and dry out.
Solutions: If the yellowing and drying of leaves and flowers is a natural progression due to age, nothing can be done to slow or stop the process. Once hormones within the plant begin the process of senescence, it’s irreversible.
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Whole leaf withering
Overview
Symptom
Causes
Treatment
Prevention
Active Period
What is Whole leaf withering Disease on Mexican tarragon?
What is Whole leaf withering Disease on Mexican tarragon?
Whole leaf withering is a disease impacting Mexican tarragon, causing leaf wilt, discoloration, and possible plant death if untreated. This guide details the causes, symptoms, activity, treatment, and prevention.
Symptom Analysis
Symptom Analysis
On Mexican tarragon, symptoms include rapid wilting of entire leaves, uniform leaf chlorosis, and browning of leaf margins, eventually leading to defoliation and growth stunting.
What Causes Whole leaf withering Disease on Mexican tarragon?
What Causes Whole leaf withering Disease on Mexican tarragon?
1
Fungal Pathogens
Fungi like Fusarium spp. commonly instigate whole leaf withering through their invasive mycelial growth.
2
Bacterial Infections
Bacteria such as Pseudomonas spp. can cause systemic infections leading to withering symptoms.
3
Environmental Stress
Extreme temperatures, overwatering, or drought can cause physiological stress resulting in withering.
How to Treat Whole leaf withering Disease on Mexican tarragon?
How to Treat Whole leaf withering Disease on Mexican tarragon?
1
Non pesticide
Proper Watering: Ensure optimal watering practices to avoid water stress and discourage pathogenic growth.

Sanitation: Remove and destroy infected plant material to reduce pathogen spread.

Soil Health Improvement: Amend soil with organic matter to promote beneficial microorganisms and soil drainage.
2
Pesticide
Fungicidal Sprays: Apply fungicides labeled effective against whole leaf withering pathogens to infected Mexican tarragon.

Bactericidal Treatments: For bacterial causes, apply appropriate bactericides following label instructions.
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Wilting after blooming
plant poor
Wilting after blooming
Flowers may wither for a variety of reasons.
Overview
Overview
Wilting after blooming is sometimes a natural aging process of the flower, while other times it may indicate a problem. Orchids, for example, can bloom for anywhere from two weeks to three months, so wilting after a few days signals a problem for most varieties. This can happen to virtually any ornamental flowering plant, but those with shallow roots and limited tolerance for drought, full sun, and low humidity are more susceptible.
This is a common problem, and often has an easy fix. Sometimes, however, it is the result of more serious causes such as pests or disease of the root system.
Symptom Analysis
Symptom Analysis
  • At first, flowers may look a little limp.
  • Petals may start to appear dried out and turn brown.
  • Eventually they may drop off the plant all together.
Disease Cause
Disease Cause
Wilting blooms can be a sign of an unhealthy root system. Any condition that prevents the plant from absorbing enough water and nutrition can result in wilting blooms and sometimes other symptoms. If the plant doesn’t have enough water, it cannot maintain appropriate pressure within stems, leaves, and blooms, causing them to wilt.
This can result from physical damage – for example from root breakage during re-potting or attack by insects like cutworms. If you recently re-potted your plant, physical damage to the roots is a likely cause. If you see insects, they may be eating leaves, roots, or flowers. Fungal infections can also cause root rot and damage, preventing water and nutrient uptake.
Finally, wilting blooms can result simply from age. If no other symptoms are visible, it may simply signal the natural end of the flower’s lifespan. If it seems premature, this may be caused by environmental factors: water, humidity, light, or stress. Under-watering is a common cause. Similarly, plants adapted to high humidity dry out easily when humidity is low, like during winter or in dry climates. Too much light can also stress plants that need shade, causing blooms to wilt.
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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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Aged yellow and dry
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Aged yellow and dry
Natural aging can cause leaves to turn yellow and dry out.
Overview
Overview
Regardless of the type of plant or where it is grown, at some point, it will begin to aged yellow and dry. This is a natural, unavoidable process that happens when the plant has completed all of the steps in its life.
Annual plants go through this process at the end of a single growing season. Perennial plants live for multiple years, if not tens or hundreds of years, but will still ultimately exhibit these symptoms.
Symptom Analysis
Symptom Analysis
When plants have progressed through their natural developmental stages and are nearing the end of their lifecycle, they begin showing signs of decline. Leaves will start to yellow and droop, and over time they turn papery brown and dry.
Once completely dry, the leaves begin to fall from the plant until the entire plant has dried out.
Disease Cause
Disease Cause
At the end of its life, genetic coding within the plant increases the production of ethylene, a phytohormone that controls senescence or natural aging and death. Cell division stops, and the plant begins catabolizing resources to use in other parts of the plant.
As this happens, the tissues begin yellow and drying until the entire plant is desiccated and perishes.
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distribution

Distribution of Mexican tarragon

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Habitat of Mexican tarragon

Woods, hillsides, rocky slopes
Northern Hemisphere
South Hemisphere

Distribution Map of Mexican tarragon

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Native
Cultivated
Invasive
Potentially invasive
Exotic
No species reported
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More Info on Mexican Tarragon Growth and Care

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Basic Care Guide
Common Pests & Diseases
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Lighting
Full sun
The mexican tarragon thrives best when bathed in plentiful light, often found in its native habitat. This robustness towards an abundance of illumination aids its healthy growth. However, adaptation is key as it can endure lower light levels. Excessive or scarce lighting can detrimentally impact growth, potentially causing withered leaves or lackluster flowering respectively.
Best Sunlight Practices
Transplant
2-3 feet
The optimal time for relocating mexican tarragon is during the balmy and bountiful days of late spring or summer, ensuring robust growth. Choose a sunny spot with well-draining soil. Gentle handling of the delicate roots during the move will foster a smooth transition.
Transplant Techniques
Temperature
0 - 43 ℃
Native to temperate climates, mexican tarragon thrives in the warmth with a temperature preference ranged from 68 to 100 °F (20 to 38 ℃). Seasonal adjustments may be necessary when temperatures drop, ensuring mexican tarragon has enough warmth to prosper.
Temp for Healthy Growth
Pruning
Spring, Summer, Fall
Native to the Sierra Madre mountains of Mexico, mexican tarragon is a perennial herb valued for its aromatic leaves and vibrant yellow flowers. Prune lightly throughout spring to fall to promote bushier growth and enhance flowering. Pinch back the tips and remove any leggy or dead stems. Pruning just after blooming encourages a second flush of flowers. Regular deadheading also prolongs the blooming period. Pruning improves air circulation and plant health, deterring pests and disease.
Pruning techniques
Propagation
Spring,Summer
Mexican tarragon, known for its aromatic leaves and yellow flowers, is effectively propagated through cuttings. Semi-ripe stems yield the best results; choose healthy, non-flowering shoots. Cuttings should be 3-4 inches long, stripped of lower leaves, and dipped in rooting hormone for enhanced success. Plant in well-draining soil and keep consistently moist without being waterlogged. Providing a warm environment and indirect light supports robust root development for this herbal garden favorite.
Propagation Techniques
Whole leaf withering
Whole leaf withering is a disease impacting Mexican tarragon, causing leaf wilt, discoloration, and possible plant death if untreated. This guide details the causes, symptoms, activity, treatment, and prevention.
Read More
Notch
Notch is a disease that affects Mexican tarragon, resulting in deformed and notched leaves. It often leads to reduced growth, and in severe cases, it can impact the plant's vitality and yield.
Read More
Dark blotch
Dark blotch is a plant disease that leads to discoloration and deterioration of 'Mexican tarragon', characterized by dark spots and compromised plant health, potentially reducing the plant's aesthetic and culinary value.
Read More
Spots
Spots is a pervasive disease affecting Mexican tarragon, causing discolored lesions and potentially inhibiting growth, with severe cases leading to plant death.
Read More
Leaf yellowing
Leaf yellowing is a common condition affecting Mexican tarragon, characterized by the loss of green foliage pigment. This malady impedes photosynthesis, diminishing plant vigor and possible flowering reduction.
Read More
Flower withering
Flower withering is a plant disease that affects Mexican tarragon. The condition leads to dehydration and decay of flowers, slowing down plant health and growth significantly.
Read More
Yellow edges
Yellow edges is a disease affecting Mexican tarragon, characterized by discoloration and a gradual weakening of the plant. It can lead to reduced vigor and aesthetic value, potentially affecting overall health if left untreated.
Read More
Leaf white mold
Leaf white mold is a fungal disease that affects Mexican tarragon, causing wilting, yellowing, and potential plant death. It thrives in humid conditions and can spread rapidly if unmanaged.
Read More
Dark spots
Dark spots is a prevalent disease affecting Mexican tarragon, causing spots on the plant that hinder its growth and aesthetic value. This guide provides details on the causes, symptoms, most active period, cures, infectiousness and lethality, preventive measures, and common questions around this disease.
Read More
Leaf rot
Leaf rot is a fungal or bacterial disease affecting Mexican tarragon, causing discolored, wilted, or decayed foliage and potentially leading to plant death if untreated.
Read More
Flower wilting
Flower wilting is a common disease that adversely affects Mexican tarragon's overall health and growth, causing its vibrant flowers to droop and eventually fall off. It usually results from bacterial or fungal pathogens and improper care practices.
Read More
Leaf wilting
Leaf wilting in Mexican tarragon refers to the plant's inability to maintain turgid leaves, often resulting in reduced growth and potential plant death if untreated.
Read More
Leafminer stripe
Leafminer stripe is a destructive disease causing serpentine mines in the foliage of Mexican tarragon, leading to impaired growth and reduced ornamental value. Larvae tunnel through leaves, compromising plant health.
Read More
Leaf tip withering
Leaf tip withering in Mexican tarragon is characterized by the browning and dying of leaf tips, potentially leading to decreased vigor and aesthetic value. It's critical for growers and gardeners to understand and manage this disease for the health of their plants.
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Feng shui direction
Northwest
The mexican tarragon demonstrates a tangible harmony when placed in a Northwest facing direction, offering a balance of energy due to its energetic colours and compact shape. It may touch parts of one's life typically associated with this quadrant - travel and mentorship. However, the result can vary depending on individual intuition and personal circumstances.
Fengshui Details
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Plants Related to Mexican tarragon

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Arugula
Arugula
Arugula (Eruca vesicaria) is an annual cool-season vegetable with peppery-tasting leaves. It will grow from 30 to 46 cm tall. It is often eaten in salads. The flowers and seeds are also edible. It prefers full sun to partial shade and tolerates wet soil and light frosts.
Tomato
Tomato
Solanum lycopersicum is an annual or perennial herbaceous vine native to Central and South America that produces a large, juicy, edible fruit known as tomato. Today there are over 10000 cultivated varieties. Although tomato is the world’s most popular vegetable, botanically it is a fruit.
Soursop
Soursop
Soursop (*Annona muricata*) is a tropical, evergreen tree that can grow up to 9 m tall. It produces the guanabana fruit, which ripens from mid-summer to mid-winter. The fruit is a spiky green pod with an aroma that smells like pineapple and tastes like a combination of strawberries and apples. The sweet yet sour fruit has a texture similar to that of a banana. The fruit can be eaten ripe or used to make juices and smoothies.
Rambutan
Rambutan
Rambutan (Nephelium lappaceum) is a fruit-bearing evergreen tree native to Southeast Asia. Rambutan grows best in tropical climates and yields edible fruit. This species attracts bees and other pollinators and its fruit has a pleasant aroma.
Kumquat
Kumquat
The kumquat is a cold-hardy evergreen citrus tree. In spring, the kumquat produces sweet-smelling white flowers. Its small orange edible fruit, kumquats, can be eaten whole. It will grow nicely as a container plant.
Cape jasmine
Cape jasmine
Gardenia jasminoides is an evergreen shrub with unique, glossy evergreen leaves and stunning flowers. The sophisticated, matte white flowers are often used in bouquets. The exceptional beauty of this ornamental plant has made it a popular and highly appreciated plant amongst gardeners and horticulturalists.
Golden pothos
Golden pothos
The golden pothos (Epipremnum aureum) is a popular houseplant that is commonly seen in Australia, Asia, and the West Indies. It goes by many nicknames, including "devil's ivy", because it is so hard to kill and can even grow in low light conditions. Golden pothos has poisonous sap, so it should be kept away from pets and children.
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Mexican tarragon
Mexican tarragon
Mexican tarragon
Mexican tarragon
Mexican tarragon
Mexican tarragon
Mexican tarragon
Tagetes lucida
Also known as: Mexican Mint Marigold, Sweet mace, Texas tarragon, Yerbaniz
Planting Time
Planting Time
Spring
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Questions About Mexican tarragon

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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 Mexican tarragon?
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What should I do if I water my Mexican tarragon too much or too little?
more
How often should I water my Mexican tarragon?
more
How much water does my Mexican tarragon need?
more
How should I water my Mexican tarragon at different growth stages?
more
How should I water my Mexican tarragon through the seasons?
more
What's the difference between watering my Mexican tarragon indoors and outdoors?
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Key Facts About Mexican tarragon

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Attributes of Mexican tarragon

Lifespan
Perennial, Annual
Plant Type
Herb
Planting Time
Spring
Bloom Time
Summer, Fall
Plant Height
45 cm
Spread
30 cm
Leaf Color
Green
Flower Size
2.5 cm
Flower Color
Yellow
Gold
Fruit Color
Black
Stem Color
Green
Yellow
Leaf type
Semi-evergreen
Ideal Temperature
20 - 38 ℃
Growth Season
Summer, Fall
Growth Rate
Moderate
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Scientific Classification of Mexican tarragon

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Common Pests & Diseases About Mexican tarragon

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Common issues for Mexican tarragon based on 10 million real cases
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Whole leaf withering
Whole leaf withering is a disease impacting Mexican tarragon, causing leaf wilt, discoloration, and possible plant death if untreated. This guide details the causes, symptoms, activity, treatment, and prevention.
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Wilting after blooming
Wilting after blooming Wilting after blooming Wilting after blooming
Flowers may wither for a variety of reasons.
Solutions: Check the soil or potting medium. Coarse textures can allow water to drain too rapidly, preventing the plant from taking up enough. If the soil and roots seem very dry, add sphagnum moss or other mediums that hold water. Water according to recommendations for each plant's species. Low humidity can be corrected by misting the plant regularly or placing it near a humidifier. Keeping it near other plants helps, too. Keep the environment consistent in terms of temperature, humidity, and lighting. Keep it away from vents, heaters, and air conditioners, and avoid moving it to locations where it will experience a temperature shock. Hot, dry heat, and cold drafts are problematic for many plants. Especially if the plant is outside, it could be experiencing heat or light stress. Try moving it to a shadier location.
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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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Aged yellow and dry
Aged yellow and dry Aged yellow and dry Aged yellow and dry
Natural aging can cause leaves to turn yellow and dry out.
Solutions: If the yellowing and drying of leaves and flowers is a natural progression due to age, nothing can be done to slow or stop the process. Once hormones within the plant begin the process of senescence, it’s irreversible.
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Whole leaf withering
Overview
Symptom
Causes
Treatment
Prevention
Active Period
What is Whole leaf withering Disease on Mexican tarragon?
What is Whole leaf withering Disease on Mexican tarragon?
Whole leaf withering is a disease impacting Mexican tarragon, causing leaf wilt, discoloration, and possible plant death if untreated. This guide details the causes, symptoms, activity, treatment, and prevention.
Symptom Analysis
Symptom Analysis
On Mexican tarragon, symptoms include rapid wilting of entire leaves, uniform leaf chlorosis, and browning of leaf margins, eventually leading to defoliation and growth stunting.
What Causes Whole leaf withering Disease on Mexican tarragon?
What Causes Whole leaf withering Disease on Mexican tarragon?
1
Fungal Pathogens
Fungi like Fusarium spp. commonly instigate whole leaf withering through their invasive mycelial growth.
2
Bacterial Infections
Bacteria such as Pseudomonas spp. can cause systemic infections leading to withering symptoms.
3
Environmental Stress
Extreme temperatures, overwatering, or drought can cause physiological stress resulting in withering.
How to Treat Whole leaf withering Disease on Mexican tarragon?
How to Treat Whole leaf withering Disease on Mexican tarragon?
1
Non pesticide
Proper Watering: Ensure optimal watering practices to avoid water stress and discourage pathogenic growth.

Sanitation: Remove and destroy infected plant material to reduce pathogen spread.

Soil Health Improvement: Amend soil with organic matter to promote beneficial microorganisms and soil drainage.
2
Pesticide
Fungicidal Sprays: Apply fungicides labeled effective against whole leaf withering pathogens to infected Mexican tarragon.

Bactericidal Treatments: For bacterial causes, apply appropriate bactericides following label instructions.
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Wilting after blooming
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Wilting after blooming
Flowers may wither for a variety of reasons.
Overview
Overview
Wilting after blooming is sometimes a natural aging process of the flower, while other times it may indicate a problem. Orchids, for example, can bloom for anywhere from two weeks to three months, so wilting after a few days signals a problem for most varieties. This can happen to virtually any ornamental flowering plant, but those with shallow roots and limited tolerance for drought, full sun, and low humidity are more susceptible.
This is a common problem, and often has an easy fix. Sometimes, however, it is the result of more serious causes such as pests or disease of the root system.
Symptom Analysis
Symptom Analysis
  • At first, flowers may look a little limp.
  • Petals may start to appear dried out and turn brown.
  • Eventually they may drop off the plant all together.
Disease Cause
Disease Cause
Wilting blooms can be a sign of an unhealthy root system. Any condition that prevents the plant from absorbing enough water and nutrition can result in wilting blooms and sometimes other symptoms. If the plant doesn’t have enough water, it cannot maintain appropriate pressure within stems, leaves, and blooms, causing them to wilt.
This can result from physical damage – for example from root breakage during re-potting or attack by insects like cutworms. If you recently re-potted your plant, physical damage to the roots is a likely cause. If you see insects, they may be eating leaves, roots, or flowers. Fungal infections can also cause root rot and damage, preventing water and nutrient uptake.
Finally, wilting blooms can result simply from age. If no other symptoms are visible, it may simply signal the natural end of the flower’s lifespan. If it seems premature, this may be caused by environmental factors: water, humidity, light, or stress. Under-watering is a common cause. Similarly, plants adapted to high humidity dry out easily when humidity is low, like during winter or in dry climates. Too much light can also stress plants that need shade, causing blooms to wilt.
Solutions
Solutions
  • Check the soil or potting medium. Coarse textures can allow water to drain too rapidly, preventing the plant from taking up enough. If the soil and roots seem very dry, add sphagnum moss or other mediums that hold water.
  • Water according to recommendations for each plant's species.
  • Low humidity can be corrected by misting the plant regularly or placing it near a humidifier. Keeping it near other plants helps, too.
  • Keep the environment consistent in terms of temperature, humidity, and lighting. Keep it away from vents, heaters, and air conditioners, and avoid moving it to locations where it will experience a temperature shock. Hot, dry heat, and cold drafts are problematic for many plants.
  • Especially if the plant is outside, it could be experiencing heat or light stress. Try moving it to a shadier location.
Prevention
Prevention
  • Read up on moisture, light, and soil type preferences for each plant to avoid underwatering, incorrect light levels, or other conditions that can cause wilting blooms.
  • Avoid re-potting during the flowering period. This causes additional stress on the plants because they need to repair root damage and adapt to the new micro-environment, all of which can result in wilting.
  • One other potential cause is ethylene gas, a plant hormone related to ripening. Some fruits and vegetables emit ethylene, especially bananas. Apples, grapes, melons, avocados, and potatoes can also give it off, so keep flowering plants away from fresh produce.
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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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Aged yellow and dry
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Aged yellow and dry
Natural aging can cause leaves to turn yellow and dry out.
Overview
Overview
Regardless of the type of plant or where it is grown, at some point, it will begin to aged yellow and dry. This is a natural, unavoidable process that happens when the plant has completed all of the steps in its life.
Annual plants go through this process at the end of a single growing season. Perennial plants live for multiple years, if not tens or hundreds of years, but will still ultimately exhibit these symptoms.
Symptom Analysis
Symptom Analysis
When plants have progressed through their natural developmental stages and are nearing the end of their lifecycle, they begin showing signs of decline. Leaves will start to yellow and droop, and over time they turn papery brown and dry.
Once completely dry, the leaves begin to fall from the plant until the entire plant has dried out.
Disease Cause
Disease Cause
At the end of its life, genetic coding within the plant increases the production of ethylene, a phytohormone that controls senescence or natural aging and death. Cell division stops, and the plant begins catabolizing resources to use in other parts of the plant.
As this happens, the tissues begin yellow and drying until the entire plant is desiccated and perishes.
Solutions
Solutions
If the yellowing and drying of leaves and flowers is a natural progression due to age, nothing can be done to slow or stop the process. Once hormones within the plant begin the process of senescence, it’s irreversible.
Prevention
Prevention
Unfortunately, there is no way to prevent plants from dying of “old age.” To help prolong their life, and put off symptoms of aged yellow and dry for as long as possible, take care of them by giving them enough water, fertilizing them appropriately, and making sure they get enough sunlight.
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distribution

Distribution of Mexican tarragon

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Habitat of Mexican tarragon

Woods, hillsides, rocky slopes
Northern Hemisphere
South Hemisphere

Distribution Map of Mexican tarragon

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Native
Cultivated
Invasive
Potentially invasive
Exotic
No species reported
care_scenes

More Info on Mexican Tarragon Growth and Care

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Basic Care Guide
Common Pests & Diseases
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Whole leaf withering
Whole leaf withering is a disease impacting Mexican tarragon, causing leaf wilt, discoloration, and possible plant death if untreated. This guide details the causes, symptoms, activity, treatment, and prevention.
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Notch
Notch is a disease that affects Mexican tarragon, resulting in deformed and notched leaves. It often leads to reduced growth, and in severe cases, it can impact the plant's vitality and yield.
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Dark blotch
Dark blotch is a plant disease that leads to discoloration and deterioration of 'Mexican tarragon', characterized by dark spots and compromised plant health, potentially reducing the plant's aesthetic and culinary value.
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Spots
Spots is a pervasive disease affecting Mexican tarragon, causing discolored lesions and potentially inhibiting growth, with severe cases leading to plant death.
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Leaf yellowing
Leaf yellowing is a common condition affecting Mexican tarragon, characterized by the loss of green foliage pigment. This malady impedes photosynthesis, diminishing plant vigor and possible flowering reduction.
 detail
Flower withering
Flower withering is a plant disease that affects Mexican tarragon. The condition leads to dehydration and decay of flowers, slowing down plant health and growth significantly.
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Yellow edges
Yellow edges is a disease affecting Mexican tarragon, characterized by discoloration and a gradual weakening of the plant. It can lead to reduced vigor and aesthetic value, potentially affecting overall health if left untreated.
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Leaf white mold
Leaf white mold is a fungal disease that affects Mexican tarragon, causing wilting, yellowing, and potential plant death. It thrives in humid conditions and can spread rapidly if unmanaged.
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Dark spots
Dark spots is a prevalent disease affecting Mexican tarragon, causing spots on the plant that hinder its growth and aesthetic value. This guide provides details on the causes, symptoms, most active period, cures, infectiousness and lethality, preventive measures, and common questions around this disease.
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Leaf rot
Leaf rot is a fungal or bacterial disease affecting Mexican tarragon, causing discolored, wilted, or decayed foliage and potentially leading to plant death if untreated.
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Flower wilting
Flower wilting is a common disease that adversely affects Mexican tarragon's overall health and growth, causing its vibrant flowers to droop and eventually fall off. It usually results from bacterial or fungal pathogens and improper care practices.
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Leaf wilting
Leaf wilting in Mexican tarragon refers to the plant's inability to maintain turgid leaves, often resulting in reduced growth and potential plant death if untreated.
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Leafminer stripe
Leafminer stripe is a destructive disease causing serpentine mines in the foliage of Mexican tarragon, leading to impaired growth and reduced ornamental value. Larvae tunnel through leaves, compromising plant health.
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Leaf tip withering
Leaf tip withering in Mexican tarragon is characterized by the browning and dying of leaf tips, potentially leading to decreased vigor and aesthetic value. It's critical for growers and gardeners to understand and manage this disease for the health of their plants.
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Plants Related to Mexican tarragon

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Lighting
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Indoor
Indoor
Outdoor
Choose a site here for personalized care tips.
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
The mexican tarragon thrives best when bathed in plentiful light, often found in its native habitat. This robustness towards an abundance of illumination aids its healthy growth. However, adaptation is key as it can endure lower light levels. Excessive or scarce lighting can detrimentally impact growth, potentially causing withered leaves or lackluster flowering respectively.
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
Mexican tarragon 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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(Symptom details and solutions)
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 Mexican tarragon 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
Mexican tarragon 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.
Symptoms of Excessive light in %s
Mexican tarragon 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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(Symptom details and solutions)
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
Native to temperate climates, mexican tarragon thrives in the warmth with a temperature preference ranged from 68 to 100 °F (20 to 38 ℃). Seasonal adjustments may be necessary when temperatures drop, ensuring mexican tarragon has enough warmth to prosper.
Regional wintering strategies
Mexican tarragon 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 Mexican tarragon
Mexican tarragon 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 Mexican tarragon
During summer, Mexican tarragon 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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