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Queen anne's thistle
Queen anne's thistle
Queen anne's thistle
Queen anne's thistle
Queen anne's thistle
Queen anne's thistle
Queen anne's thistle
Cirsium canum
Also known as : Spear thistle
It is a perennial plant with four-winged stems and spiny green, lanceolate, shiny leaves with spiny edges. The violet flowers are tubular in the form of terminal bushes. The fruits are vilanos.
Hardiness Zones
Hardiness Zones
4
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Care Guide for Queen anne's thistle

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Ideal Lighting
Full sun, Partial sun
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Ideal Temperature
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Queen anne's thistle
Water
Water
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Hardiness Zones
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Questions About Queen anne's thistle

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

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Attributes of Queen anne's thistle

Lifespan
Perennial
Plant Type
Herb
Bloom Time
Spring, Summer
Plant Height
1.5 m to 2 m
Spread
30 cm
Flower Color
Pink
Purple
Leaf type
Semi-evergreen
Ideal Temperature
5 - 25 ℃

Scientific Classification of Queen anne's thistle

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pests

Common Pests & Diseases About Queen anne's thistle

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Common issues for Queen anne's thistle based on 10 million real cases
Flower withering
Flower withering Flower withering
Flower withering
Flowers may dry out due to a sudden change in environment or because the plant has completed its normal flowering period.
Solutions: If flower withering is a natural progression due to age, there is nothing that can be done to slow or stop the process. Once hormones within the plant begin the process of senescence, it’s irreversible. For lack of water, immediately water the plant using room temperature rainwater, bottled spring water, or filtered tap water. Water container plants until excess water drains out the bottom; water in-ground plants until the soil is soaked but there isn’t standing water on the surface. In the event of nutritional deficiencies, the best solution is to use a granular or water-soluble liquid fertilizer, and apply it to the soil at about half the recommended dosage. Keep it off the leaves and make sure granular products are watered into the soil well. If the plant is infected with a bacterial or fungal pathogen, there is no course of treatment that cures the diseased plants. The best solution is to remove the infected plants and dispose of the plant material off-site. Do not put in a compost pile.
Leaf miners
Leaf miners Leaf miners
Leaf miners
Leaf miners scar the leaves with curved white streaks or rounded white spots with brown centers.
Solutions: Leaf miners, although relatively harmless at first, can quickly multiply and devastate your plants in the coming weeks. For severe cases: Spray an organic insecticide. For an organic solution, spray a diluted mixture of azadirachtin, a compound derived from neem seeds, above and below leaves. Spray a synthetic insecticide. Spray a product that contains spinosad, such as Entrust, making sure to cover all sides of the leaves. Introduce beneficial insects. Introduce beneficial insects that eat leaf miners, such as parasitic wasps or Syrphid flies. For less severe cases: Prune infected tissue. Remove and dispose of leaves that have any sign of leaf miner damage.
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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Flower withering
plant poor
Flower withering
Flowers may dry out due to a sudden change in environment or because the plant has completed its normal flowering period.
Overview
Overview
Flower withering occurs when flowers become weak, droopy, wilted, or faded until they can’t be revived. During withering, they begin to wrinkle and shrink until the flower becomes completely dry or dead.
Any flowers, regardless of the plant type or the climate they are grown in, are susceptible to withering. It is a worldwide problem across houseplants, herbs, flowering ornamentals, trees, shrubs, garden vegetables, and food crops.
Unlike wilting—which withering is often confused with—withering can be caused by different things and is often due to more than a lack of water. Withering can be fatal in severe cases.
Symptom Analysis
Symptom Analysis
Flower withering progresses from very mild cases to severe occurrences that kill the flower. The severity of the symptoms is related to the cause and how long the condition is allowed to progress before action is taken.
  • Wilted, droopy flowers
  • Petals and leaves begin to wrinkle
  • Brown papery streaks or spots appear on the petals and leaf tips
  • Flowerhead shrink in size
  • Petal color fades
  • Yellowing leaves
  • Complete death of the flower
Disease Cause
Disease Cause
The main causes of flower withering include natural age progress, lack of water, nutritional deficiencies, and bacterial or fungal diseases. It’s critical to determine the underlying cause when flower withering is noticed. This will guide the best course of action, if treatment is possible.
Check the soil for moisture and then closely examine the entire plant for signs of nutrient deficiencies. If neither of those appears to be the cause then cut open the stem below a flower. If a cross-section reveals brown or rust-colored stains it is safe to assume that this is a bacterial or fungal infection.
If the flower is nearing the end of its normal lifespan, genetic coding within the plant increases the production of ethylene, a phytohormone that controls senescence, or cell aging and death. Cell division stops and the plant begins breaking down resources within the flower to use in other parts of the plant.
In all other cases, flower withering happens when the plant seals off the stem as a defense mechanism, stopping transport within the vascular system. This prevents further water loss through the flowers but also stops bacteria and fungi from moving to healthy parts of the plant. Once water and nutrient transport stops, the flower begins to wither and ultimately die.
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Leaf miners
plant poor
Leaf miners
Leaf miners scar the leaves with curved white streaks or rounded white spots with brown centers.
Symptom Analysis
Symptom Analysis
The leaves on your plants are showing clear/white trails, which appear like parts have been hollowed out. These trails are narrow at first and become wide patches over time. In some cases, leaves will be completely hollow and dry on the plant. As the name suggests, leaf miners are responsible.
Leaf miners are most common in the early spring when they begin to hatch and reproduce. They are tiny 1/16th inch larvae that resemble small grains of rice. The larvae are found inside leaves. The adult stage, a fly, lays eggs in between the layers of a leaf. When the eggs hatch, the larvae eat the tender nutritious inner leaves.
Solutions
Solutions
Leaf miners, although relatively harmless at first, can quickly multiply and devastate your plants in the coming weeks.
For severe cases:
  1. Spray an organic insecticide. For an organic solution, spray a diluted mixture of azadirachtin, a compound derived from neem seeds, above and below leaves.
  2. Spray a synthetic insecticide. Spray a product that contains spinosad, such as Entrust, making sure to cover all sides of the leaves.
  3. Introduce beneficial insects. Introduce beneficial insects that eat leaf miners, such as parasitic wasps or Syrphid flies.
For less severe cases:
  1. Prune infected tissue. Remove and dispose of leaves that have any sign of leaf miner damage.
Prevention
Prevention
Although leaf miners are easy to control, preventing them is ideal. Our recommendations are:
  1. Physically exclude adults. Cover plants with floating row covers as soon as you put them in the ground.
  2. Remove weeds and debris. Keep your garden weeded to lower the number of plants leaf miners can feed and breed on.
  3. Avoid introducing infected plants. Carefully inspect new plants for leaf miners before adding them to your garden or home.
  4. Avoid broad-spectrum pesticides. Leaf miners can usually be controlled by natural predatory insects. Do not apply broad-spectrum insecticides that could harm these beneficial insects.
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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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distribution

Distribution of Queen anne's thistle

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Habitat of Queen anne's thistle

Water meadows, marshy places, springs, ditches

Distribution Map of Queen anne's thistle

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Native
Cultivated
Invasive
Potentially invasive
Exotic
No species reported
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More Info on Queen Anne's Thistle Growth and Care

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Basic Care Guide
Temperature
-25 ℃
Queen anne's thistle is native to environments with mild temperatures. It prefers a range of 41 to 77 °F (5 to 25 ℃). Adjusting temperature to mimic this range across seasons would best support the plant's natural inclinations and growth habit.
Temp for Healthy Growth
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Plants Related to Queen anne's thistle

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Poison ivy
Poison ivy
In pop culture, poison ivy is a symbol of an obnoxious weed because, despite its unthreatening looks, it gives a highly unpleasant contact rash to the unfortunate person who touches it. Still, it is commonly eaten by many animals, and the seeds are a favorite with birds. The leaves turn bright red in fall. Its sister species, Western poison ivy (Toxicodendron rydbergii), is not considered to be invasive in the United States, but is noxious in Australia and New Zealand.
Pokeweed
Pokeweed
Although its berries look juicy and tempting, the fruits and the root of pokeweed are toxic and should not be eaten. Pokeweed is considered a pest species by farmers but is nevertheless often grown as an ornamental plant. Its berries can be made into pokeberry ink as well.
Lambsquarters
Lambsquarters
Lambsquarters has many other names, including pigweed, goosefoot, and bacon weed. This plant seems to appear out of nowhere and is considered by many to be a pesky weed. However, the greens of this plant are edible, can be prepared similar to spinach, and are packed with nutrients.
Horseweed
Horseweed
Horseweed is a North American herbaceous annual plant with a hairy stem, numerous pointed leaves, and waxy inflorescence. It has been naturalized in Eurasia and Australia, where it is a common weed in urban and agricultural regions. Horseweed can be used in a survival situation to start a friction fire.
Common dandelion
Common dandelion
*Taraxacum officinale*, widely known as common dandelion, is a herbaceous perennial that can be found in temperate regions all over the world, in habitats with moist soils. The most popular feature of this plant is its fruits, furry spheres that are easily carried by the wind. Although it is generally considered a weed, common dandelion is actually edible and very nutritious.
Common purslane
Common purslane
Portulaca oleracea, colloquially known as common purslane, is an annual succulent species with reddish stems and tiny yellow, five-petal flowers. It is used for culinary purposes in various parts of the world, most often raw, in salads. Common purslane is also a good companion plant for crops that thrive in moist soils.
Black nightshade
Black nightshade
Black nightshade (Solanum nigrum) is a highly toxic plant and caution should be exercised around this plant. It's said that black nightshade fruits can technically be consumed if they are fully ripe and properly cooked and prepared. Generally though, due to the danger they present, no one would ever want to try to eat this plant.
Canada goldenrod
Canada goldenrod
The Solidago canadensis, colloquially known as canada goldenrod, is a perennial herb native to North America. This plant can be found growing in a variety of different habitats, and it often forms colonies. In many parts of Europe and East Asia, canada goldenrod is considered an invasive species.
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Queen anne's thistle
Queen anne's thistle
Queen anne's thistle
Queen anne's thistle
Queen anne's thistle
Queen anne's thistle
Queen anne's thistle
Cirsium canum
Also known as: Spear thistle
It is a perennial plant with four-winged stems and spiny green, lanceolate, shiny leaves with spiny edges. The violet flowers are tubular in the form of terminal bushes. The fruits are vilanos.
Hardiness Zones
Hardiness Zones
4
more
care guide

Care Guide for Queen anne's thistle

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Questions About Queen anne's thistle

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

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Attributes of Queen anne's thistle

Lifespan
Perennial
Plant Type
Herb
Bloom Time
Spring, Summer
Plant Height
1.5 m to 2 m
Spread
30 cm
Flower Color
Pink
Purple
Leaf type
Semi-evergreen
Ideal Temperature
5 - 25 ℃
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Scientific Classification of Queen anne's thistle

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pests

Common Pests & Diseases About Queen anne's thistle

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Common issues for Queen anne's thistle based on 10 million real cases
Flower withering
Flower withering Flower withering Flower withering
Flowers may dry out due to a sudden change in environment or because the plant has completed its normal flowering period.
Solutions: If flower withering is a natural progression due to age, there is nothing that can be done to slow or stop the process. Once hormones within the plant begin the process of senescence, it’s irreversible. For lack of water, immediately water the plant using room temperature rainwater, bottled spring water, or filtered tap water. Water container plants until excess water drains out the bottom; water in-ground plants until the soil is soaked but there isn’t standing water on the surface. In the event of nutritional deficiencies, the best solution is to use a granular or water-soluble liquid fertilizer, and apply it to the soil at about half the recommended dosage. Keep it off the leaves and make sure granular products are watered into the soil well. If the plant is infected with a bacterial or fungal pathogen, there is no course of treatment that cures the diseased plants. The best solution is to remove the infected plants and dispose of the plant material off-site. Do not put in a compost pile.
Learn More About the Flower withering more
Leaf miners
Leaf miners Leaf miners Leaf miners
Leaf miners scar the leaves with curved white streaks or rounded white spots with brown centers.
Solutions: Leaf miners, although relatively harmless at first, can quickly multiply and devastate your plants in the coming weeks. For severe cases: Spray an organic insecticide. For an organic solution, spray a diluted mixture of azadirachtin, a compound derived from neem seeds, above and below leaves. Spray a synthetic insecticide. Spray a product that contains spinosad, such as Entrust, making sure to cover all sides of the leaves. Introduce beneficial insects. Introduce beneficial insects that eat leaf miners, such as parasitic wasps or Syrphid flies. For less severe cases: Prune infected tissue. Remove and dispose of leaves that have any sign of leaf miner damage.
Learn More About the Leaf miners more
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.
Learn More About the Wilting after blooming more
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Flower withering
plant poor
Flower withering
Flowers may dry out due to a sudden change in environment or because the plant has completed its normal flowering period.
Overview
Overview
Flower withering occurs when flowers become weak, droopy, wilted, or faded until they can’t be revived. During withering, they begin to wrinkle and shrink until the flower becomes completely dry or dead.
Any flowers, regardless of the plant type or the climate they are grown in, are susceptible to withering. It is a worldwide problem across houseplants, herbs, flowering ornamentals, trees, shrubs, garden vegetables, and food crops.
Unlike wilting—which withering is often confused with—withering can be caused by different things and is often due to more than a lack of water. Withering can be fatal in severe cases.
Symptom Analysis
Symptom Analysis
Flower withering progresses from very mild cases to severe occurrences that kill the flower. The severity of the symptoms is related to the cause and how long the condition is allowed to progress before action is taken.
  • Wilted, droopy flowers
  • Petals and leaves begin to wrinkle
  • Brown papery streaks or spots appear on the petals and leaf tips
  • Flowerhead shrink in size
  • Petal color fades
  • Yellowing leaves
  • Complete death of the flower
Disease Cause
Disease Cause
The main causes of flower withering include natural age progress, lack of water, nutritional deficiencies, and bacterial or fungal diseases. It’s critical to determine the underlying cause when flower withering is noticed. This will guide the best course of action, if treatment is possible.
Check the soil for moisture and then closely examine the entire plant for signs of nutrient deficiencies. If neither of those appears to be the cause then cut open the stem below a flower. If a cross-section reveals brown or rust-colored stains it is safe to assume that this is a bacterial or fungal infection.
If the flower is nearing the end of its normal lifespan, genetic coding within the plant increases the production of ethylene, a phytohormone that controls senescence, or cell aging and death. Cell division stops and the plant begins breaking down resources within the flower to use in other parts of the plant.
In all other cases, flower withering happens when the plant seals off the stem as a defense mechanism, stopping transport within the vascular system. This prevents further water loss through the flowers but also stops bacteria and fungi from moving to healthy parts of the plant. Once water and nutrient transport stops, the flower begins to wither and ultimately die.
Solutions
Solutions
If flower withering is a natural progression due to age, there is nothing that can be done to slow or stop the process. Once hormones within the plant begin the process of senescence, it’s irreversible.
For lack of water, immediately water the plant using room temperature rainwater, bottled spring water, or filtered tap water. Water container plants until excess water drains out the bottom; water in-ground plants until the soil is soaked but there isn’t standing water on the surface.
In the event of nutritional deficiencies, the best solution is to use a granular or water-soluble liquid fertilizer, and apply it to the soil at about half the recommended dosage. Keep it off the leaves and make sure granular products are watered into the soil well.
If the plant is infected with a bacterial or fungal pathogen, there is no course of treatment that cures the diseased plants. The best solution is to remove the infected plants and dispose of the plant material off-site. Do not put in a compost pile.
Prevention
Prevention
This is definitely one of those instances where prevention is more effective than cure. Here are some preventative measures for avoiding premature flower withering.
  • Water plants according to their needs -- either keep the soil slightly moist or allow the top inch or two to dry out before watering again.
  • Fertilize lightly on a consistent basis, depending upon the plant’s growth. Quick-growing plants and those that flower or develop fruit will need more frequent fertilizing than slow-growing plants.
  • Purchase plants that are certified disease- or pathogen-free.
  • Look for disease-resistant cultivars.
  • Isolate plants showing disease symptoms to prevent the spread to neighboring plants.
  • Practice good plant hygiene by removing any fallen plant material as soon as possible.
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Leaf miners
plant poor
Leaf miners
Leaf miners scar the leaves with curved white streaks or rounded white spots with brown centers.
Symptom Analysis
Symptom Analysis
The leaves on your plants are showing clear/white trails, which appear like parts have been hollowed out. These trails are narrow at first and become wide patches over time. In some cases, leaves will be completely hollow and dry on the plant. As the name suggests, leaf miners are responsible.
Leaf miners are most common in the early spring when they begin to hatch and reproduce. They are tiny 1/16th inch larvae that resemble small grains of rice. The larvae are found inside leaves. The adult stage, a fly, lays eggs in between the layers of a leaf. When the eggs hatch, the larvae eat the tender nutritious inner leaves.
Solutions
Solutions
Leaf miners, although relatively harmless at first, can quickly multiply and devastate your plants in the coming weeks.
For severe cases:
  1. Spray an organic insecticide. For an organic solution, spray a diluted mixture of azadirachtin, a compound derived from neem seeds, above and below leaves.
  2. Spray a synthetic insecticide. Spray a product that contains spinosad, such as Entrust, making sure to cover all sides of the leaves.
  3. Introduce beneficial insects. Introduce beneficial insects that eat leaf miners, such as parasitic wasps or Syrphid flies.
For less severe cases:
  1. Prune infected tissue. Remove and dispose of leaves that have any sign of leaf miner damage.
Prevention
Prevention
Although leaf miners are easy to control, preventing them is ideal. Our recommendations are:
  1. Physically exclude adults. Cover plants with floating row covers as soon as you put them in the ground.
  2. Remove weeds and debris. Keep your garden weeded to lower the number of plants leaf miners can feed and breed on.
  3. Avoid introducing infected plants. Carefully inspect new plants for leaf miners before adding them to your garden or home.
  4. Avoid broad-spectrum pesticides. Leaf miners can usually be controlled by natural predatory insects. Do not apply broad-spectrum insecticides that could harm these beneficial insects.
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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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distribution

Distribution of Queen anne's thistle

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Habitat of Queen anne's thistle

Water meadows, marshy places, springs, ditches

Distribution Map of Queen anne's thistle

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Native
Cultivated
Invasive
Potentially invasive
Exotic
No species reported
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More Info on Queen Anne's Thistle Growth and Care

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Basic Care Guide
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Plants Related to Queen anne's thistle

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Temperature
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Requirements
Ideal
Tolerable
Unsuitable
Just like people, each plant has its own preferences. Learn about your plants' temperature needs and create a comforting environment for them to flourish. As you care for your plants, your bond with them will deepen. Trust your intuition as you learn about their temperature needs, celebrating the journey you share. Lovingly monitor the temperature around your plants and adjust their environment as needed. A thermometer can be your ally in this heartfelt endeavor. Be patient and gentle with yourself as you explore your plants' temperature needs. Cherish your successes, learn from challenges, and nurture your garden with love, creating a haven that reflects the warmth of your care.
Essentials
Queen anne's thistle is native to environments with mild temperatures. It prefers a range of 41 to 77 °F (5 to 25 ℃). Adjusting temperature to mimic this range across seasons would best support the plant's natural inclinations and growth habit.
Regional wintering strategies
Queen anne's thistle is highly cold-tolerant and does not require additional frost protection measures during winter. However, before the first freeze in autumn, it is recommended to water the plant generously to ensure 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 Queen anne's thistle
Queen anne's thistle is extremely cold-tolerant, but the winter temperature should be maintained above {Limit_growth_temperature}. If the temperature drops below this threshold, 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 Queen anne's thistle
Queen anne's thistle is not tolerant to high temperatures. When the temperature exceeds {Suitable_growth_temperature_max}, its growth will stop, and it becomes more susceptible to rot.
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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