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About
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Basic Care
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Advanced Care
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Pests & Diseases
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More Info
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FAQ

How to Care for Common Columbine 'green Apples'

Common columbine 'Green Apples' is a Common columbine cultivar characterized by its unique coloring. The cultivar's double, spurless, pure white flowers emerge apple green buds, giving this plant its name. The green buds become white as they mature, but some flowers keep the greenish hue.
Water
Water
Every week
Sunlight
Sunlight
Full sun
Common columbine 'Green Apples'
Common columbine 'Green Apples'
care_basic_guide

Basic Care Guide

Cultivation:WaterDetail

How to Water Common columbine 'Green Apples'?

Common columbine 'Green Apples' prefers a slightly moist but well-drained growing environment, so it can be watered once a week or watered until the soil is dry through. As the plant is thin and weak, water it slowly without too much.
Cultivation:WaterDetail
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Cultivation:FertilizerDetail

How to Fertilize Common columbine 'Green Apples'?

One or two teaspoons of general plant fertilizer or bone meal can be mixed into the soil as the base fertilizer before planting, and liquid fertilizer can be applied to Columbines once a month during the growing season to promote leaf growth and make the flowers more attractive.
Cultivation:FertilizerDetail
Cultivation:SunlightDetail

What Are the Sunlight Requirements for Common columbine 'Green Apples'?

Most of Columbines prefer a semi-shaded environment, but they can also grow well under full sunlight in areas where it is cool in summer. It is necessary to avoid direct long-time sunlight in the hot summer, otherwise it will easy to wither, so appropriate shading for the plant is suggested. You can put it on the indoor windowsill if used as potted plant so hummingbirds, bees and butterflies will come during the flowering period.
Aquilegia yabeana is one of the few heat-resistant plants that can stand direct sunlight at the same time among Columbines.
Cultivation:SunlightDetail
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Cultivation:PruningDetail

How to Prune Common columbine 'Green Apples'?

You can cut off the withered leaves in summer thus they can regrow. Pruning the withered flowers in time can reduce unnecessary nutrient consumption and prolong the flowering period.
If there is no need to collect seeds at the end of the flowering period, all the above-ground parts of the plant can be cut back for its germination in the next year. The whole plant can be uprooted in fall if the common columbine 'Green Apples' has been planted for three or four years and new seedlings can be planted with seeds.
Cultivation:PruningDetail
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care_advanced_guide

Advanced Care Guide

Cultivation:WaterAndHardinessDetail

What is the Ideal Temperature Range for Common columbine 'Green Apples'?

Common columbine 'Green Apples' is relatively cold-resistant and heat-resistant and is usually cultivated in subtropical areas where the weather is hot and humid in summer. Its optimum hardiness zones are 3-9 and usually blooms in late spring and early summer, and sudden warming may lead to an early end of the flower phase. It tends to produce more flowers in cool summer. It prefers a humid environment without water accumulation and should be watered less frequently in the warmer summer to prevent the root or buds from rotting.
A variety of Columbines native to Europe, such as Common columbine (Aquilegia vulgaris), has similar habits with most Columbines. It grows well in cool summer but has a short growing cycle, so it is mostly planted in flower beds as annual flowers.
Golden columbine (Aquilegia chrysantha) native to North America is a relatively heat-resistant species of Columbines. If it is planted in a partially shaded environment in summer, it can continue to bloom in high temperature, with few symptoms of decaying or wilting. It has a very long flowering period and can bloom throughout the spring and summer and even in the early fall. It may not bloom in the first year after sowing and may only grows a few basal leaves, and it will grow rapidly in the early spring of the next year after accumulating enough nutrients.
Colorado blue columbine (Aquilegia coerulea), also native to North America, is a a quick-flowered Columbines species after sowing. It can bloom in abundance in the first year after sowing, and can bloom as early as the following early spring if planted in autumn. However, since it is native to higher elevations of the Rockies in the United States, its hybrid progeny is less heat-resistant. Colorado blue columbine will reduce flowering when the temperature rises in hot and humid areas in summer and often wither and die in the first summer. If it is planted in a shaded, well ventilated environment and watered less frequently, it may live through the hot summer and produce more flowers in the following year.
Fan columbine (Aquilegia flabellata), native to Asia, is a very heat-resistant and cold-resistant species. The morphology of the plant is extremely compact and it can be cultivated at -35 ℃ and can survive at 40 ℃ in summer. However, its flowering period is relatively short, only lasting about one month in summer when the temperature is high, and about two months when it is planted in Asia where the weather is cool in summer and cold in winter.
Canadian Red columbine (Aquilegia canadensis) prefers moist soil, while Desert columbine (Aquilegia desertorum) is more drought-resistant. Green-flowered columbine (Aquilegia viridiflora) is probably the most drought-resistant species of Columbines, which can grow and in limestone crevices that are difficult to preserve water. It blooms very early with a very long flowering period, and is easy to spread naturally.
Cultivation:WaterAndHardinessDetail
Cultivation:SoilDetail

What Soil is Best for Common columbine 'Green Apples'?

Common columbine 'Green Apples' likes moist but well-drained sandy loam with plenty of nutrients and neutral acidity. The use of clayey soil should be avoided with a appropriate pH of 5.7 to 7. Garden soil mixed with sand, peat, compost and humus can be used to plant common columbine 'Green Apples' to ensure adequate soil nutrients and good air permeability. A layer of covering can be added to the soil surface to preserve heat in winter.
Since its root system is relatively shallow, it does not need to prepare too deep soil or too deep flowerpot, a shallow place or flowerpot will be fine, and it is also preferable to plant it around trees with developed root system. The recommended distance between each plant is at least 30 cm.
Cultivation:SoilDetail
Cultivation:PropagationDetail

How to Propagate Common columbine 'Green Apples'?

Common columbine 'Green Apples' usually produces a large number of seeds after blooming, which can be collected for sowing in fall. If the seeds are not collected, they will often spread naturally and grow many self-seedlings in fall or the next spring. As the self-seeding ability of common columbine 'Green Apples' is so powerful that it should be controlled to prevent the seedlings of common columbine 'Green Apples' from spreading out of the garden.
In addition, common columbine 'Green Apples' is very easy to hybridize with each other. If you want to keep the characters of the seed plant and its mother plant consistent, you can plant different Columbine species at regular intervals to avoid hybridization.
Cultivation:PropagationDetail
Cultivation:PlantingDetail

How to Plant Common columbine 'Green Apples'?

Common columbine 'Green Apples' is mostly perennial plants and can generally live for 4 to 5 years, with some species only living for 1 to 2 years. We can propagate it by sowing or transplanting in general. Since the seeds of common columbine 'Green Apples' have a short shelf life, they should be sown in the year of collection. Prepare slightly moistened sandy soil before sowing, spread the seeds evenly and press the soil gently and cover it with a layer of glass instead of a layer of fine soil and then place it in a shady environment with a temperature at about 18 to 24 ℃ for germination.
It takes relatively long time for seeds to germinate, which is about 2 to 4 weeks, and it may take a few seeds several months to break the dormancy and finally germinate. In general, seeds of common columbine 'Green Apples' do not need to be exposed to low temperature to promote germination, but if the seeds do not germinate after a long time, they can be stored at a low temperature environment of -4 to 4 ℃ for 2 to 4 weeks to break the dormancy, and then they can be taken out again for sowing. Seeds that are not used for the time being can also be stored in a refrigerator at low temperature until the next sowing season.
Common columbine 'Green Apples' has a strong ability of self-seeding and can spread naturally without being sown, so you can also transplant the seedlings and place them where you want them. Its root cap should be flush with the soil surface and all the fragile and fine roots should all be buried in the soil when transplanting.
As the root system of common columbine 'Green Apples' is relatively fragile, which is not very suitable for division propagation, so if you have to divide a plant, you need to dig out the whole plant and use a sharp knife to divide the whole root system into several clumps and plant them separately as soon as possible without shaking off the root soil. It is better to divide plants in spring and support them with plant stakes when the plant grows higher.
Cultivation:PlantingDetail
care_pet_and_diseases

Common Pests & Diseases

Common issues for Common columbine 'Green Apples' based on 10 million real cases
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.
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.
Black spot
Black spot Black spot
Black spot
Infection by the black spot pathogen causes black spots or patches to appear on leaves.
Solutions: Some steps to take to address black spot include: Prune away any infected leaves, cleaning the pruners between plants with a 10% bleach solution so that the fungus does not spread to healthy leaves. Don't compost pruned plant parts as the spores can linger in the soil for a long period of time - instead, dispose of them in the trash. Use an approved fungicide such as Trifloxystrobin, Chlorothalonil, Maneb, or Myclobutanil. Use a spreader in the fungicide spray to ensure better coverage.
Powdery Mildew
Powdery Mildew Powdery Mildew
Powdery Mildew
Powdery mildew is a white mold that appears on leaves. It can be wiped away.
Solutions: As powdery Mildew spores are transported by the wind, it can be tricky to put a complete stop to the spread of the fungus. Luckily, there are several easy treatments for plants that are exhibiting symptoms: If powdery Mildew seems to be impacting isolated leaves or stems, they can simply be trimmed away and disposed of. Disinfect pruning tools after doing this. Remove any plant debris from the ground around the infected plants and dispose of it in the garbage. Then, cover the soil with a thick layer of mulch to limit reinfection. Milk sprays have been found to be useful in controlling powdery Mildew. Make up a spray consisting of 60% water and 40% milk and spray on the affected plants. This can also be used as a preventative measure. In cases where powdery Mildew is more widespread, plants can be sprayed with a mild sulfur- or copper-based fungicide or a non-toxic solution made from baking soda and soap. Sprays can help areas that have been recently infected, though they are less effective against well-established infections. If possible, try transplanting the plants to a sunnier location. Though powdery Mildew does fine in hot, dry conditions, it is unable to reproduce without some humidity. Putting plants in more direct sunlight can help stop the spread of the fungus. Trimming around closely-packed plants can help improve airflow, which also prevents the reproduction of the fungus.
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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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Aged yellow and dry
plant poor
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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Black spot
plant poor
Black spot
Infection by the black spot pathogen causes black spots or patches to appear on leaves.
Overview
Overview
Black spot is a fungus that largely attacks leaves on a variety of ornamental plants, leaving them covered in dark spots ringed with yellow, and eventually killing them. The fungus is often simply unsightly, but if it infects the whole plant it can interfere with photosynthesis by killing too many leaves. Because of this, it is important to be aware of the best methods for preventing and treating this diseases should it occur in the garden.
Symptom Analysis
Symptom Analysis
Here are a few of the most common symptoms of black spot:
  • The plant has developed small black spots along the leaves.
  • These spots be small, circular, and clustered together, or they may have a splotchy appearance and take up large portions of the leaves.
  • The fungus may also affect plant canes, where lesions start purple and then turn black.
  • The plant may suffer premature leaf drop.
Though most forms of black spot fungus pose little risk to a plant's overall health, many gardeners find them unsightly. Severe cases can also weaken a plant, so it becomes more susceptible to other pathogens and diseases.
Disease Cause
Disease Cause
Black spot is spread by various types of fungi, which differ slightly depending on whether they are in their sexual or asexual stages.
The fungal spores linger over the winter in fallen leaves and lesions on canes. In the spring, the spores are splashed up onto the leaves, causing infection within seven hours of moisture and when temperatures range between 24 to 29 ℃ with a high relative humidity.
In just two weeks, thousands of additional spores are produced, making it easy for the disease to infect nearby healthy plants as well.
There are several factors that could make a plant more likely to suffer a black spot infection. Here are some of the most common:
  • Exposure to infected plants or mulch (the fungus overwinters on dead leaves)
  • Weakening from physical damage, pest infestation or other infections.
  • Increased periods of wet, humid, warm weather – or exposure to overhead watering
  • Plants growing too close together
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Powdery Mildew
plant poor
Powdery Mildew
Powdery mildew is a white mold that appears on leaves. It can be wiped away.
Overview
Overview
Powdery Mildew is a common disease and the scourge of many home gardeners. It affects a large variety of plants including many varieties of vegetables. The disease is easy to identify but not always easy to get rid of once it has started to infect plants.
Powdery Mildew thrives in warm, humid conditions and can quickly spread from plant to plant. Although this disease will not kill the plants, a severe infestation will inhibit plant growth and fruit production.
Symptom Analysis
Symptom Analysis
Powdery Mildew appears as pale yellow spots on leaves. These spots then become white and look powdery. The fungus spreads quickly both on the top and underside of the leaves and on the plant stems.
These white, powdery spots will join up and soon, almost the entire surface of the leaf appears white. Eventually, the edges of the leaf will turn brown and dry and start to die.
In severe infections, even the flower buds will turn white and become disfigured. Fruit will ripen prematurely and be inedible.
Disease Cause
Disease Cause
Powdery Mildew is caused by a fungus. There are many different genera of fungus diseases that cause powdery Mildew. The fungal spores overwinter inside leaf buds and on plant material that has dropped to the soil below. As the weather warms up, these spores are then carried onto the plant by water, wind, and insects. Powdery Mildew can also be more severe in areas that experience warm, dry climates, even though the spores require some humidity to germinate.
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care_more_info

More About Common Columbine 'green Apples'

Plant Type
Plant Type
Herb
Lifespan
Lifespan
Perennial
Spread
Spread
30 to 60 cm
Bloom Time
Bloom Time
Spring, Early summer
Flower Color
Flower Color
White
Leaf Color
Leaf Color
Green
Flower Size
Flower Size
2 cm
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care_faq

Common Problems

Why don't my common columbine 'Green Apples' seeds sprout?

more more
Since the seeds of common columbine 'Green Apples' have a short storage period, it is necessary to sow the seeds in the year of collection because it may lead to germination failure if the seeds are placed for a long time or stored improperly. Prepare the germination conditions for sowing, such as slightly moistened sandy soil, proper shade and a temperature of about 18 to 24 ℃, and do not cover them with fine soil after sowing.
It takes relatively a long time for the seeds to germinate, which is about 2 to 4 weeks, and it may take a few seeds several months to break the dormancy and finally germinate. If the seeds do not germinate after a long time, they can be stored at a low temperature environment of -4 to 4 ℃ for 2 to 4 weeks to break the dormancy, and then they can be taken out again for sowing.

Why is the flowering period of my common columbine 'Green Apples' so short and it even doesn’t bloom?

more more
Most common columbine 'Green Apples' have shorter flowering periods when exposed to sudden temperature rise; in addition, failure to cut off withered flowers in time may also result in excessive nutrient consumption, resulting in fewer flowers and shorter flowering period. Some common columbine 'Green Apples', for instance, golden columbines, may not bloom in the first year after sowing or may grow only a few basal leaves and will not grow rapidly until the early spring of the next year, which require patience for some time.

How can I keep my next generation of common columbine 'Green Apples' as they were?

more more
It is very easy for common columbine 'Green Apples' to hybridize with each other, so you can plant different species of common columbine 'Green Apples' at regular intervals if you want to preserve the original species without hybridizing and character changes.

How can I make my common columbine 'Green Apples' live through summer and live for several years more?

more more
To provide it with the most suitable growth environment, for example in summer, to ensure a cool temperature, good ventilation, appropriate shade and avoid direct sunlight with slightly moist and well-drained soil, adequate but not excessive soil nutrients, regular watering without water accumulation.

What if common columbine 'Green Apples' is invading my garden?

more more
If the invasion is in a small range, you can dig or pull them out manually before blooming, or cover the flowers with a cloth or film before digging to avoid seeds from dropping into the soil, and the collected seeds should be destroyed. As it is resilient thus needing continuous attention to the re-growing and spreading. Besides, you can use herbicides when it invades a large area.
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Common columbine 'Green Apples'
Common columbine 'Green Apples'

How to Care for Common Columbine 'green Apples'

Common columbine 'Green Apples' is a Common columbine cultivar characterized by its unique coloring. The cultivar's double, spurless, pure white flowers emerge apple green buds, giving this plant its name. The green buds become white as they mature, but some flowers keep the greenish hue.
Water
Every week
Water
Sunlight
Full sun
Sunlight
care_basic_guide

Basic Care Guide

Cultivation:WaterDetail

How to Water Common columbine 'Green Apples'?

Cultivation:WaterDetail
Common columbine 'Green Apples' prefers a slightly moist but well-drained growing environment, so it can be watered once a week or watered until the soil is dry through. As the plant is thin and weak, water it slowly without too much.
waterreminders

Never miss a care task again!

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Cultivation:FertilizerDetail

How to Fertilize Common columbine 'Green Apples'?

Cultivation:FertilizerDetail
One or two teaspoons of general plant fertilizer or bone meal can be mixed into the soil as the base fertilizer before planting, and liquid fertilizer can be applied to Columbines once a month during the growing season to promote leaf growth and make the flowers more attractive.
Cultivation:SunlightDetail

What Are the Sunlight Requirements for Common columbine 'Green Apples'?

Cultivation:SunlightDetail
Most of Columbines prefer a semi-shaded environment, but they can also grow well under full sunlight in areas where it is cool in summer. It is necessary to avoid direct long-time sunlight in the hot summer, otherwise it will easy to wither, so appropriate shading for the plant is suggested. You can put it on the indoor windowsill if used as potted plant so hummingbirds, bees and butterflies will come during the flowering period.
Aquilegia yabeana is one of the few heat-resistant plants that can stand direct sunlight at the same time among Columbines.
lightmeter

Know the light your plants really get.

Find the best spots for them to optimize their health, simply using your phone.
Cultivation:PruningDetail

How to Prune Common columbine 'Green Apples'?

Cultivation:PruningDetail
You can cut off the withered leaves in summer thus they can regrow. Pruning the withered flowers in time can reduce unnecessary nutrient consumption and prolong the flowering period.
If there is no need to collect seeds at the end of the flowering period, all the above-ground parts of the plant can be cut back for its germination in the next year. The whole plant can be uprooted in fall if the common columbine 'Green Apples' has been planted for three or four years and new seedlings can be planted with seeds.
close
care_advanced_guide

Advanced Care Guide

Cultivation:WaterAndHardinessDetail

What is the Ideal Temperature Range for Common columbine 'Green Apples'?

Cultivation:WaterAndHardinessDetail
Common columbine 'Green Apples' is relatively cold-resistant and heat-resistant and is usually cultivated in subtropical areas where the weather is hot and humid in summer. Its optimum hardiness zones are 3-9 and usually blooms in late spring and early summer, and sudden warming may lead to an early end of the flower phase. It tends to produce more flowers in cool summer. It prefers a humid environment without water accumulation and should be watered less frequently in the warmer summer to prevent the root or buds from rotting.
A variety of Columbines native to Europe, such as Common columbine (Aquilegia vulgaris), has similar habits with most Columbines. It grows well in cool summer but has a short growing cycle, so it is mostly planted in flower beds as annual flowers.
Golden columbine (Aquilegia chrysantha) native to North America is a relatively heat-resistant species of Columbines. If it is planted in a partially shaded environment in summer, it can continue to bloom in high temperature, with few symptoms of decaying or wilting. It has a very long flowering period and can bloom throughout the spring and summer and even in the early fall. It may not bloom in the first year after sowing and may only grows a few basal leaves, and it will grow rapidly in the early spring of the next year after accumulating enough nutrients.
Colorado blue columbine (Aquilegia coerulea), also native to North America, is a a quick-flowered Columbines species after sowing. It can bloom in abundance in the first year after sowing, and can bloom as early as the following early spring if planted in autumn. However, since it is native to higher elevations of the Rockies in the United States, its hybrid progeny is less heat-resistant. Colorado blue columbine will reduce flowering when the temperature rises in hot and humid areas in summer and often wither and die in the first summer. If it is planted in a shaded, well ventilated environment and watered less frequently, it may live through the hot summer and produce more flowers in the following year.
Fan columbine (Aquilegia flabellata), native to Asia, is a very heat-resistant and cold-resistant species. The morphology of the plant is extremely compact and it can be cultivated at -35 ℃ and can survive at 40 ℃ in summer. However, its flowering period is relatively short, only lasting about one month in summer when the temperature is high, and about two months when it is planted in Asia where the weather is cool in summer and cold in winter.
Canadian Red columbine (Aquilegia canadensis) prefers moist soil, while Desert columbine (Aquilegia desertorum) is more drought-resistant. Green-flowered columbine (Aquilegia viridiflora) is probably the most drought-resistant species of Columbines, which can grow and in limestone crevices that are difficult to preserve water. It blooms very early with a very long flowering period, and is easy to spread naturally.
Cultivation:SoilDetail

What Soil is Best for Common columbine 'Green Apples'?

Cultivation:SoilDetail
Common columbine 'Green Apples' likes moist but well-drained sandy loam with plenty of nutrients and neutral acidity. The use of clayey soil should be avoided with a appropriate pH of 5.7 to 7. Garden soil mixed with sand, peat, compost and humus can be used to plant common columbine 'Green Apples' to ensure adequate soil nutrients and good air permeability. A layer of covering can be added to the soil surface to preserve heat in winter.
Since its root system is relatively shallow, it does not need to prepare too deep soil or too deep flowerpot, a shallow place or flowerpot will be fine, and it is also preferable to plant it around trees with developed root system. The recommended distance between each plant is at least 30 cm.
Cultivation:PropagationDetail

How to Propagate Common columbine 'Green Apples'?

Cultivation:PropagationDetail
Common columbine 'Green Apples' usually produces a large number of seeds after blooming, which can be collected for sowing in fall. If the seeds are not collected, they will often spread naturally and grow many self-seedlings in fall or the next spring. As the self-seeding ability of common columbine 'Green Apples' is so powerful that it should be controlled to prevent the seedlings of common columbine 'Green Apples' from spreading out of the garden.
In addition, common columbine 'Green Apples' is very easy to hybridize with each other. If you want to keep the characters of the seed plant and its mother plant consistent, you can plant different Columbine species at regular intervals to avoid hybridization.
Cultivation:PlantingDetail

How to Plant Common columbine 'Green Apples'?

Cultivation:PlantingDetail
Common columbine 'Green Apples' is mostly perennial plants and can generally live for 4 to 5 years, with some species only living for 1 to 2 years. We can propagate it by sowing or transplanting in general. Since the seeds of common columbine 'Green Apples' have a short shelf life, they should be sown in the year of collection. Prepare slightly moistened sandy soil before sowing, spread the seeds evenly and press the soil gently and cover it with a layer of glass instead of a layer of fine soil and then place it in a shady environment with a temperature at about 18 to 24 ℃ for germination.
It takes relatively long time for seeds to germinate, which is about 2 to 4 weeks, and it may take a few seeds several months to break the dormancy and finally germinate. In general, seeds of common columbine 'Green Apples' do not need to be exposed to low temperature to promote germination, but if the seeds do not germinate after a long time, they can be stored at a low temperature environment of -4 to 4 ℃ for 2 to 4 weeks to break the dormancy, and then they can be taken out again for sowing. Seeds that are not used for the time being can also be stored in a refrigerator at low temperature until the next sowing season.
Common columbine 'Green Apples' has a strong ability of self-seeding and can spread naturally without being sown, so you can also transplant the seedlings and place them where you want them. Its root cap should be flush with the soil surface and all the fragile and fine roots should all be buried in the soil when transplanting.
As the root system of common columbine 'Green Apples' is relatively fragile, which is not very suitable for division propagation, so if you have to divide a plant, you need to dig out the whole plant and use a sharp knife to divide the whole root system into several clumps and plant them separately as soon as possible without shaking off the root soil. It is better to divide plants in spring and support them with plant stakes when the plant grows higher.
care_pet_and_diseases

Common Pests & Diseases

Common issues for Common columbine 'Green Apples' based on 10 million real cases
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
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.
Learn More About the Aged yellow and dry more
Black spot
Black spot Black spot Black spot
Infection by the black spot pathogen causes black spots or patches to appear on leaves.
Solutions: Some steps to take to address black spot include: Prune away any infected leaves, cleaning the pruners between plants with a 10% bleach solution so that the fungus does not spread to healthy leaves. Don't compost pruned plant parts as the spores can linger in the soil for a long period of time - instead, dispose of them in the trash. Use an approved fungicide such as Trifloxystrobin, Chlorothalonil, Maneb, or Myclobutanil. Use a spreader in the fungicide spray to ensure better coverage.
Learn More About the Black spot more
Powdery Mildew
Powdery Mildew Powdery Mildew Powdery Mildew
Powdery mildew is a white mold that appears on leaves. It can be wiped away.
Solutions: As powdery Mildew spores are transported by the wind, it can be tricky to put a complete stop to the spread of the fungus. Luckily, there are several easy treatments for plants that are exhibiting symptoms: If powdery Mildew seems to be impacting isolated leaves or stems, they can simply be trimmed away and disposed of. Disinfect pruning tools after doing this. Remove any plant debris from the ground around the infected plants and dispose of it in the garbage. Then, cover the soil with a thick layer of mulch to limit reinfection. Milk sprays have been found to be useful in controlling powdery Mildew. Make up a spray consisting of 60% water and 40% milk and spray on the affected plants. This can also be used as a preventative measure. In cases where powdery Mildew is more widespread, plants can be sprayed with a mild sulfur- or copper-based fungicide or a non-toxic solution made from baking soda and soap. Sprays can help areas that have been recently infected, though they are less effective against well-established infections. If possible, try transplanting the plants to a sunnier location. Though powdery Mildew does fine in hot, dry conditions, it is unable to reproduce without some humidity. Putting plants in more direct sunlight can help stop the spread of the fungus. Trimming around closely-packed plants can help improve airflow, which also prevents the reproduction of the fungus.
Learn More About the Powdery Mildew more
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Leaf miners
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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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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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Black spot
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Black spot
Infection by the black spot pathogen causes black spots or patches to appear on leaves.
Overview
Overview
Black spot is a fungus that largely attacks leaves on a variety of ornamental plants, leaving them covered in dark spots ringed with yellow, and eventually killing them. The fungus is often simply unsightly, but if it infects the whole plant it can interfere with photosynthesis by killing too many leaves. Because of this, it is important to be aware of the best methods for preventing and treating this diseases should it occur in the garden.
Symptom Analysis
Symptom Analysis
Here are a few of the most common symptoms of black spot:
  • The plant has developed small black spots along the leaves.
  • These spots be small, circular, and clustered together, or they may have a splotchy appearance and take up large portions of the leaves.
  • The fungus may also affect plant canes, where lesions start purple and then turn black.
  • The plant may suffer premature leaf drop.
Though most forms of black spot fungus pose little risk to a plant's overall health, many gardeners find them unsightly. Severe cases can also weaken a plant, so it becomes more susceptible to other pathogens and diseases.
Disease Cause
Disease Cause
Black spot is spread by various types of fungi, which differ slightly depending on whether they are in their sexual or asexual stages.
The fungal spores linger over the winter in fallen leaves and lesions on canes. In the spring, the spores are splashed up onto the leaves, causing infection within seven hours of moisture and when temperatures range between 24 to 29 ℃ with a high relative humidity.
In just two weeks, thousands of additional spores are produced, making it easy for the disease to infect nearby healthy plants as well.
There are several factors that could make a plant more likely to suffer a black spot infection. Here are some of the most common:
  • Exposure to infected plants or mulch (the fungus overwinters on dead leaves)
  • Weakening from physical damage, pest infestation or other infections.
  • Increased periods of wet, humid, warm weather – or exposure to overhead watering
  • Plants growing too close together
Solutions
Solutions
Some steps to take to address black spot include:
  • Prune away any infected leaves, cleaning the pruners between plants with a 10% bleach solution so that the fungus does not spread to healthy leaves.
  • Don't compost pruned plant parts as the spores can linger in the soil for a long period of time - instead, dispose of them in the trash.
  • Use an approved fungicide such as Trifloxystrobin, Chlorothalonil, Maneb, or Myclobutanil.
  • Use a spreader in the fungicide spray to ensure better coverage.
Prevention
Prevention
Here are a few tips to prevent black spot outbreaks.
  • Purchase resistant varieties: Invest in fungus-resistant plant varieties to reduce the chances for black spot diseases.
  • Remove infected plant debris: Fungi can overwinter in contaminated plant debris, so remove all fallen leaves from infected plants as soon as possible.
  • Rake and discard fallen leaves in the fall.
  • Prune regularly.
  • Water carefully: Fungal diseases spread when plants stay in moist conditions and when water droplets splash contaminated soil on plant leaves. Control these factors by only watering infected plants when the top few inches of soil are dry, and by watering at soil level to reduce splashback. Adding a layer of mulch to the soil will also reduce splashing.
  • Grow plants in an open, sunny locations so the foliage dries quickly.
  • Follow spacing guidelines when planting and avoid natural windbreaks for good air circulation.
  • Use chemical control: Regular doses of a fungicide, especially in the spring, can stop an outbreak before it begins.
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Powdery Mildew
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Powdery Mildew
Powdery mildew is a white mold that appears on leaves. It can be wiped away.
Overview
Overview
Powdery Mildew is a common disease and the scourge of many home gardeners. It affects a large variety of plants including many varieties of vegetables. The disease is easy to identify but not always easy to get rid of once it has started to infect plants.
Powdery Mildew thrives in warm, humid conditions and can quickly spread from plant to plant. Although this disease will not kill the plants, a severe infestation will inhibit plant growth and fruit production.
Symptom Analysis
Symptom Analysis
Powdery Mildew appears as pale yellow spots on leaves. These spots then become white and look powdery. The fungus spreads quickly both on the top and underside of the leaves and on the plant stems.
These white, powdery spots will join up and soon, almost the entire surface of the leaf appears white. Eventually, the edges of the leaf will turn brown and dry and start to die.
In severe infections, even the flower buds will turn white and become disfigured. Fruit will ripen prematurely and be inedible.
Disease Cause
Disease Cause
Powdery Mildew is caused by a fungus. There are many different genera of fungus diseases that cause powdery Mildew. The fungal spores overwinter inside leaf buds and on plant material that has dropped to the soil below. As the weather warms up, these spores are then carried onto the plant by water, wind, and insects. Powdery Mildew can also be more severe in areas that experience warm, dry climates, even though the spores require some humidity to germinate.
Solutions
Solutions
As powdery Mildew spores are transported by the wind, it can be tricky to put a complete stop to the spread of the fungus. Luckily, there are several easy treatments for plants that are exhibiting symptoms:
  1. If powdery Mildew seems to be impacting isolated leaves or stems, they can simply be trimmed away and disposed of. Disinfect pruning tools after doing this.
  2. Remove any plant debris from the ground around the infected plants and dispose of it in the garbage. Then, cover the soil with a thick layer of mulch to limit reinfection.
  3. Milk sprays have been found to be useful in controlling powdery Mildew. Make up a spray consisting of 60% water and 40% milk and spray on the affected plants. This can also be used as a preventative measure.
  4. In cases where powdery Mildew is more widespread, plants can be sprayed with a mild sulfur- or copper-based fungicide or a non-toxic solution made from baking soda and soap. Sprays can help areas that have been recently infected, though they are less effective against well-established infections.
  5. If possible, try transplanting the plants to a sunnier location. Though powdery Mildew does fine in hot, dry conditions, it is unable to reproduce without some humidity. Putting plants in more direct sunlight can help stop the spread of the fungus.
  6. Trimming around closely-packed plants can help improve airflow, which also prevents the reproduction of the fungus.
Prevention
Prevention
There are a few ways to prevent a powdery Mildew infection from occurring in the first place:
  1. Preemptive chemical controls, including fungicides and non-toxic solutions, can help prevent powdery Mildew from becoming established on plants.
  2. When placing new plants, allow enough space between each one to provide adequate air circulation.
  3. Water at the base of plants rather than from overhead.
  4. Many mildew-resistant strains of common garden plants are available. Consider these in areas that have a Mediterranean climate.
  5. Powdery Mildew can form tiny, round black structures, called cleistothecia, as the growing season draws to a close. These hardy, dry structures help the fungus survive winter. Raking away debris over the winter can remove stowaway cleistothecia and will help prevent plants from being reinfected.
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More About Common Columbine 'green Apples'

Plant Type
Plant Type
Herb
Lifespan
Lifespan
Perennial
Spread
Spread
30 to 60 cm
Bloom Time
Bloom Time
Spring, Early summer
Flower Color
Flower Color
White
Leaf Color
Leaf Color
Green
Flower Size
Flower Size
2 cm
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Common Problems

Why don't my common columbine 'Green Apples' seeds sprout?

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Since the seeds of common columbine 'Green Apples' have a short storage period, it is necessary to sow the seeds in the year of collection because it may lead to germination failure if the seeds are placed for a long time or stored improperly. Prepare the germination conditions for sowing, such as slightly moistened sandy soil, proper shade and a temperature of about 18 to 24 ℃, and do not cover them with fine soil after sowing.
It takes relatively a long time for the seeds to germinate, which is about 2 to 4 weeks, and it may take a few seeds several months to break the dormancy and finally germinate. If the seeds do not germinate after a long time, they can be stored at a low temperature environment of -4 to 4 ℃ for 2 to 4 weeks to break the dormancy, and then they can be taken out again for sowing.

Why is the flowering period of my common columbine 'Green Apples' so short and it even doesn’t bloom?

more more
Most common columbine 'Green Apples' have shorter flowering periods when exposed to sudden temperature rise; in addition, failure to cut off withered flowers in time may also result in excessive nutrient consumption, resulting in fewer flowers and shorter flowering period. Some common columbine 'Green Apples', for instance, golden columbines, may not bloom in the first year after sowing or may grow only a few basal leaves and will not grow rapidly until the early spring of the next year, which require patience for some time.

How can I keep my next generation of common columbine 'Green Apples' as they were?

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It is very easy for common columbine 'Green Apples' to hybridize with each other, so you can plant different species of common columbine 'Green Apples' at regular intervals if you want to preserve the original species without hybridizing and character changes.

How can I make my common columbine 'Green Apples' live through summer and live for several years more?

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To provide it with the most suitable growth environment, for example in summer, to ensure a cool temperature, good ventilation, appropriate shade and avoid direct sunlight with slightly moist and well-drained soil, adequate but not excessive soil nutrients, regular watering without water accumulation.

What if common columbine 'Green Apples' is invading my garden?

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If the invasion is in a small range, you can dig or pull them out manually before blooming, or cover the flowers with a cloth or film before digging to avoid seeds from dropping into the soil, and the collected seeds should be destroyed. As it is resilient thus needing continuous attention to the re-growing and spreading. Besides, you can use herbicides when it invades a large area.
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