When does Euphorbia corollata bloom?

Euphorbia corollata blooms from June through August, producing small white flowers arranged in flat-topped clusters.

What pollinators visit Euphorbia corollata?

This native wildflower attracts bees, butterflies, and beetles with its nectar-rich flowers during summer months.

Where is Euphorbia corollata native?

Euphorbia corollata is native to much of the eastern and central United States, from Texas and Georgia north to Wisconsin and New York.

What growing conditions does Euphorbia corollata prefer?

This wildflower thrives in full sun to partial sun with low to moderate water needs, making it suitable for drought-tolerant landscapes.

Is Poison-milkweed HOA-friendly?

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

Poison-milkweed

Name: Pollinator Patch
Author: Pollinator Patch

Euphorbia corollata

Last reviewed: August 2026

Euphorbia corollata is a native wildflower found across eastern and central United States that produces clusters of small white flowers from June through August. This drought-tolerant perennial attracts bees, butterflies, and beetles to sunny gardens.

Toxicity unknown

Poison-milkweed (Euphorbia corollata) 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.

Light

full sun

Water

low

Size

12"–36" H × 12"–24" W

Bloom

Jun, Jul, Aug

Native to

AL, AR, CT, DE and 24 more states

Pollinators

bees, butterflies, beetles

Deer

Resistant (per Prairie Moon Nursery)

Before you buy

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Poison-milkweed is a native wildflower that produces clusters of small white flowers from June through August. This drought-tolerant perennial grows in an upright, clumping form and dies back to the ground each winter.

Growing Poison-milkweed

Grow Poison-milkweed in full sun and low water. Mature plants reach 12 to 36 inches tall and spread 12 to 24 inches wide. Expect low maintenance to keep it looking intentional in a front yard.

In an HOA neighborhood

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

Works well in: backyard only.

Name includes 'poison' which raises concerns
Can appear weedy or wild in formal settings
Dies back completely in winter leaving bare spots

Wildlife value

The flowers attract bees, butterflies, and beetles during the summer blooming period. As a member of the milkweed family, it may also support some butterfly larvae.

Common questions

When does Euphorbia corollata bloom?: Euphorbia corollata blooms from June through August, producing small white flowers arranged in flat-topped clusters.
What pollinators visit Euphorbia corollata?: This native wildflower attracts bees, butterflies, and beetles with its nectar-rich flowers during summer months.
Where is Euphorbia corollata native?: Euphorbia corollata is native to much of the eastern and central United States, from Texas and Georgia north to Wisconsin and New York.
What growing conditions does Euphorbia corollata prefer?: This wildflower thrives in full sun to partial sun with low to moderate water needs, making it suitable for drought-tolerant landscapes.
Is Poison-milkweed HOA-friendly?: Poison-milkweed 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.

Ready to grow Poison-milkweed? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

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