How much light does Euonymus atropurpureus need?

Eastern wahoo grows best in part sun but adapts to conditions ranging from full sun to part shade, often thriving along woodland edges and open understory.

When does eastern wahoo bloom?

This shrub flowers in May and June, producing small purple blooms before its fruit capsules develop later in the season.

What pollinators visit Euonymus atropurpureus?

Bees and butterflies are the main visitors to the small spring flowers of eastern wahoo.

How much water does eastern wahoo require?

It grows well with medium soil moisture and can tolerate drier spells once its roots are established.

Is Euonymus atropurpureus evergreen?

No, it is deciduous, dropping its leaves in fall after they take on reddish color.

Is Bitter-ash toxic to livestock?

Bitter-ash is listed as toxic to grazing livestock such as cattle, sheep, and goats (moderate severity) by the USDA PLANTS Database. This is separate from pet (dog and cat) toxicity.

Is Bitter-ash HOA-friendly?

Bitter-ash takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

Bitter-ash

Name: Pollinator Patch
Author: Pollinator Patch

Euonymus atropurpureus

Last reviewed: September 2026

Euonymus atropurpureus, commonly called eastern wahoo, is a deciduous shrub that blooms in May and June with small purple flowers, followed by showy red-orange fruit capsules in fall.

Toxicity unknown

Bitter-ash (Euonymus atropurpureus) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.

Bitter-ash is listed as toxic to grazing livestock (cattle, sheep, and goats) at a moderate level by the USDA PLANTS Database (opens in new tab). This is a livestock indicator and is separate from pet toxicity.

Light

part sun

Water

medium

Size

120"–240" H × 60"–120" W

Bloom

May, Jun

Native to

AL, AR, CT, DE and 33 more states

Pollinators

bees, butterflies

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Euonymus atropurpureus is a native deciduous shrub that grows 10-20 feet tall with an upright, somewhat open form. It produces small greenish flowers in late spring followed by distinctive purple capsules that split open to reveal bright red seeds in fall. The foliage turns yellow to reddish-purple in autumn before dropping.

Growing Bitter-ash

Grow Bitter-ash in part sun and medium water. Mature plants reach 120 to 240 inches tall and spread 60 to 120 inches wide. Expect moderate maintenance to keep it looking intentional in a front yard.

In an HOA neighborhood

Bitter-ash takes more care to keep looking intentional in a front yard. Maintenance level: moderate. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

Large mature size may exceed typical landscaping scale
Open growth habit can appear unstructured
May look sparse in winter without leaves

Wildlife value

The flowers attract bees and butterflies in late spring and early summer. Birds feed on the colorful seeds, and the shrub provides nesting habitat for various songbirds.

Common questions

How much light does Euonymus atropurpureus need?: Eastern wahoo grows best in part sun but adapts to conditions ranging from full sun to part shade, often thriving along woodland edges and open understory.
When does eastern wahoo bloom?: This shrub flowers in May and June, producing small purple blooms before its fruit capsules develop later in the season.
What pollinators visit Euonymus atropurpureus?: Bees and butterflies are the main visitors to the small spring flowers of eastern wahoo.
How much water does eastern wahoo require?: It grows well with medium soil moisture and can tolerate drier spells once its roots are established.
Is Euonymus atropurpureus evergreen?: No, it is deciduous, dropping its leaves in fall after they take on reddish color.
Is Bitter-ash toxic to livestock?: Bitter-ash is listed as toxic to grazing livestock such as cattle, sheep, and goats (moderate severity) by the USDA PLANTS Database. This is separate from pet (dog and cat) toxicity.
Is Bitter-ash HOA-friendly?: Bitter-ash takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

These answers were drafted with an AI model from this plant's data. Verify care details with a local expert.

Native range data from vouchered herbarium specimen records and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

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