Euonymus atropurpureus
SPECIMEN · FROM THE LIBRARY
Euonymus atropurpureus

Euonymus Atropurpureus

ON THIS PLANT

Euonymus atropurpureus is a species of shrub in the bittersweet family. It has the common names American wahoo, eastern wahoo, burningbush and hearts bursting with love. It is native to eastern North America.

A note from PlantMom

Burningbush is resistant to disease and typically does not get sick. In terms of upkeep, this plant is fairly low-maintenance. When grown outdoors it needs only light watering, and larger plants usually do not need pruning. Smaller plants, however, should be pruned after they finish blooming. Burningbusht is suitable for anyone who has an outdoor area, such as a garden or a deck, and it does not demand much prior care experience.

— PlantMom
CARE GUIDE

How to keep Euonymus Atropurpureus.

Light

Burningbush grows best in locations that receive plenty of sunlight but not continuously throughout the day. It can tolerate places with strong sun, though those are less desirable. Too little or too much light can stress the plant and may result in stunted growth or wilted leaves. Its native habitat reflects these light preferences.

Water

Burningbush thrives in areas with moderate rainfall and prefers balanced moisture. It typically needs to be watered every two weeks. During winter, it enters dormancy, which significantly reduces its water requirements.

Temperature

Burningbush is indigenous to temperate climates and requires temperatures between 41 and 89.6 °F (5 to 32 ℃). As the seasons change, adjust the plant's environment to keep it within this ideal range for optimal growth.

Fertilizer

The timing of fertilizing Burningbush is important. Apply fertilizer in early spring and repeat monthly until early summer. Fertilizer promotes attractive blooms and supplies energy during both dormant and active growth periods.

Pruning

Burning bush plants are known for their vibrant fall foliage and distinctive corky winged stems. To keep the plant healthy, it is best to prune it in early spring. Start by removing any dead branches, and then thin out crowded areas to improve air circulation. This practice not only enhances the plant's aesthetic appeal but also encourages vigorous growth and helps reduce the risk of disease and pests.

CHARACTERISTICS

Botanical profile.

Plant Type
Tree, Shrub
Life Cycle
Perennial
Genus
Euonymus
Family
Celastraceae
Hardiness Zone
4-8
Mature Height
4.57 m to 6.1 m
Mature Spread
4.57 m to 7.62 m
Leaf Color
Green
Leaf Type
Deciduous
Flower Color
Purple
Flower Size
0.51 cm to 1.02 cm
Bloom Time
Mid spring, Late spring
Planting Time
Spring, Autumn
Harvest Time
Late summer, Early fall, Mid fall
ALSO KNOWN AS

Other names.

en Bitter-ash en Burningbush en Wahoo en Eastern wahoo en Eastern Burningbush en Eastern Burning-bush en Burning-bush Euonymus en Purple spindle
FREQUENTLY ASKED

Reader questions.

How should I water my Burningbush?

To ensure excellent root development, it is suggested to place a garden hose at the base of the plant. Avoid spraying the leaves directly and be aware that leaves in direct sunlight may require more water. Bubblers can be used to moisten each plant's roots, and soaker hoses are recommended for watering the entire garden or bed when adding or removing plants. After watering, drain any excess water and allow the soil to dry before watering again. Watering at ground level helps prevent diseases. On sunny days, consider spraying the entire bush with water. Regardless of whether the Burningbush is in a pot or in the ground, deep watering is preferred over light sprinkling.

What are the sunlight requirements for Burningbush (Euonymus atropurpureus)?

Burningbush requires a significant amount of sunlight to thrive but does not need continuous exposure throughout the day. It performs best in conditions where it can receive about 3-6 hours of sunlight daily, which is considered partial sun, but it can also grow well in areas with more than 6 hours of sunlight, known as full sun. However, it is important to observe how sunlight moves through your garden to choose spots that offer the perfect combination of light and shade. This ensures the plant's happiness and prevents the stress associated with insufficient or excessive light, which could lead to poor growth or wilted leaves.

What is the ideal temperature range for Burningbush?

Burningbush, scientifically known as Euonymus atropurpureus, thrives in temperate climates. The ideal temperature range for its growth is between 41 to 89.6 °F (5 to 32 ℃). To ensure optimal growth, it's important to adjust the plant's environment as the seasons change to keep it within this temperature range. Despite its strong cold resistance, ensuring the environment remains suitable throughout the year is key.

What should I do if I give too much or too little water to Burningbush?

An overwatered Burningbush can exhibit several signs of distress. Its leaves may turn yellow, drop off, and wilt, giving the plant a dull and unhealthy appearance. Mushy stems may also be present. Adjusting your watering schedule is crucial when these signs begin to appear. Additionally, wilting could indicate under watering, which can be identified by crispy and dry leaves. In such cases, thorough watering is necessary, especially when the soil is dry and regular watering is not sufficient. However, even with enough water, the plant may still exhibit dryness and yellowing due to a damaged root system. Once the plant recovers, the yellowing of leaves will cease. When growing a Burningbush indoors, it is important to check the moisture levels in the pot and avoid overwatering. Look out for black spots on the leaves, and if present, allow the soil to dry out by refraining from watering for a few days. Overwatering can lead to root rot, so transferring the plant to a different pot is recommended if discolored and slimy roots are noticed. Preventing root rot and avoiding overly soggy soil are crucial. When planting a Burningbush outdoors, ensure that the soil is adequately moist. If the soil feels too dry, it may indicate under watering, and providing sufficient water will aid in the plant's recovery.

How can artificial lighting support Burningbush growth indoors?

Indoor Burningbush plants require adequate lighting to grow optimally, especially when natural sunlight is insufficient, such as in winter or in less sunny spaces. Artificial lights, like LED lights which are customizable to provide specific wavelengths needed by plants, are an effective solution. For full sun plants, 30-50 watts per square foot is recommended; partial sun plants need 20-30 watts per square foot, and full shade plants should have 10-20 watts per square foot. The light source should be placed 12-36 inches above the plant to mimic natural sunlight, and the duration of exposure should match the natural daylight hours most plants need, which is about 8-12 hours daily.

Does Burningbush require frost protection in winter?

Burningbush is noted for its strong cold resistance, making special frost protection measures often unnecessary. However, if winter temperatures are expected to fall below the plant's cold tolerance limit, it's important to provide additional protection. This can be done by wrapping the trunk and branches with non-woven fabric or cloth. Moreover, watering the plant abundantly before the first freeze of autumn to keep the soil moist can help prevent drought and water scarcity during the colder months, aiding the plant's survival and health through winter into early spring.

How often should I give water to my Burningbush plant?

The Burningbush prefers deep and infrequent watering, especially when planted in pots. It is necessary to soak them with a gallon of water each time to account for the limited water storage in pots. In cold regions, water them every 3 to 5 days, preferably in the morning when the soil is dry. To determine if watering is needed, check if the top 2-3 inches of soil are dry. During hot days, monitor the soil moisture daily as it can quickly dry out. If you have a garden, irrigation is also necessary. In hot climates, water once a week, ensuring that about 2 to 3 inches of soil is dry before watering. Take rainfall into account and avoid overwatering to prevent root rot. Mulching can help conserve water when the Burningbush is outdoors. Sandy soil requires more frequent watering, while clay soil can go for 2-3 days without drying out the plant or causing root rot. Keep track of watering dates and be attentive to any drooping leaves as a sign of needing water.

What are the symptoms of light deficiency in Burningbush?

When Burningbush is grown indoors or under insufficient light conditions, several symptoms may indicate light deficiency. These include smaller new leaves, leggy or sparse growth, faster leaf drop, slower or no new growth, and lighter-colored new leaves, all of which point to the plant's struggle to access adequate light. Additionally, the plant may experience chlorosis, wherein leaves lose their green color and turn yellow, sunscald with visible damage from intense sunlight, leaf curling as a response to limit water loss, wilting due to excessive transpiration, and leaf scorching characterized by brown, dry edges on leaves. These symptoms reflect the plant's response to inappropriate lighting conditions.

What are the symptoms of low and high temperature stress in Burningbush?

Burningbush shows distinct symptoms when experiencing low and high temperature stress. In low temperatures, specifically falling below its cold tolerance limit, you may not notice immediate changes during winter. However, come spring, the branches may become brittle, dry, and fail to produce new shoots. In the case of high temperatures, exceeding the plant's maximum tolerable limit leads to lighter leaf coloration, dry and withered tips, and an increased risk of sunburn. Managing these conditions is crucial for the health of the plant.

How much water does my Burningbush need?

The Burningbush generally needs about a gallon of water on each schedule. For potted plants, water them deeply until you see water dripping at the bottom of the pot. Wait for the soil to dry before watering again. You can use a water calculator or moisture meter to determine the amount of water given to your plants in a week. During the flowering period, provide plenty of water but let the moisture evaporate afterwards to prevent root rot. If the Burningbush is planted outdoors and receives adequate rainfall, additional watering may not be necessary. When the Burningbush is young or newly planted, make sure it receives 1-2 inches of rain per week. As the Burningbush grows, it can survive solely on rainfall. Only during extremely hot weather or prolonged periods without rainfall should you consider giving the Burningbush a full watering during the cooler parts of the day to prevent high heat damage. Additional watering may be required during long dry spells.

How can I optimize light conditions for Burningbush?

To optimize light conditions for Burningbush, especially if you're dealing with indoor plants or those not receiving enough sunlight, consider gradually shifting them to sunnier spots each week to achieve the desired 3-6 hours of direct sunlight daily. For plants that are large or not easily movable, using artificial light such as desk or ceiling lamps for at least 8 hours daily can provide additional light. Outdoor plants should also be moved gradually to avoid sunburn. Observe parts of the garden that block sunlight and consider pruning or transplanting to allow for better light exposure. Keep in mind that parts of the plant that were previously affected by insufficient sunlight may not recover, but new growth should be healthy with improved light conditions.

How can you care for a Burningbush experiencing temperature stress?

Managing a Burningbush experiencing temperature stress involves specific care techniques. For damage from low temperatures, it's recommended to prune away any dead branches in spring that have not produced new leaves. For high-temperature stress, trim away sunburned and dried-up parts of the plant. Relocating the plant to a shaded area or using a shade cloth can protect it from harsh midday and afternoon sun. Additionally, watering the plant in the morning and evening to maintain soil moisture helps counteract the effects of high temperatures.

PLATES
Euonymus atropurpureus leaf
PLATE 01 · leaf
Euonymus atropurpureus leaf
PLATE 02 · leaf
Euonymus atropurpureus flower
PLATE 03 · flower
Euonymus atropurpureus flower
PLATE 04 · flower
Euonymus atropurpureus fruit
PLATE 05 · fruit
Euonymus atropurpureus fruit
PLATE 06 · fruit
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