Species · genus Euphorbia · Euphorbiaceae

Flowering Spurge

Euphorbia corollata L.

Also known as: American Spurge · Blooming Spurge · Eastern Flowering Spurge · Poison-milkweed · Floweringspurge Euphorbia

Growth habit

perennial

Native range

Alabama, Arkansas, Connecticut, Delaware, Georgia, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maryland, Mississippi, Missouri, Nebraska, New Jersey, New York, North Carolina, Ohio, Oklahoma, Ontario, Pennsylvania, Rhode I., South Carolina, Tennessee, Texas, Virginia, West Virginia, Wisconsin

Reference · E. corollata

Cultivars of E. corollata

The named forms growers keep — each with its own page, each honest about how much we know.

No named cultivars catalogued under E. corollata yet. When growers document a stable, named form, it earns its own page here.

Guide

The species-level account. Cultivar pages build on this and say where they differ.

A herbaceous perennial native to open, sunny meadows and dry prairies across eastern and central North America, where it tolerates lean soil and seasonal dryness. Give it full sun and sharply draining, gritty mix, and water only when the top two inches have gone dry. It dies back in winter and stores energy in its roots, so keep it on the dry side during dormancy to avoid rot.

Care recipe

The species record — the baseline every cultivar inherits unless it says otherwise.

Care notes are early — not yet verified

Light: ai:claude-opus-4-8
Water: ai:claude-opus-4-8 (range 10-18d)
Humidity: ai:claude-opus-4-8
Soil: ai:claude-fable-5
Care: ai:claude-fable-5

Light

Direct sun

Water

≈ every 18 days

Humidity

Low — average room

Temperature

10–27 °C

Soil mix

Free-draining gritty mix for a herbaceous perennial

Propagation

Division or seed

Fertilizing

Light balanced feed a couple of times in summer

Growth rate

Moderate

Flowering

Airy clouds of tiny white bracts in summer

ToxicityAuthoritative · species

Toxic to cats & dogs & humans

Euphorbiaceae produce a milky latex that is a skin and mucous-membrane irritant and toxic if ingested. This is where toxicity lives: every cultivar of this species inherits it and none can override it.

Reference images

Every image credited. Licenses link to their deeds.

No reference gallery yet

A few clear photos — habit, a mature leaf, a flower if it blooms — would give this page its eyes.

Add images

Sources: ai:claude-opus-4-8 · ai:claude-opus-4-8 (range 10-18d) · ai:claude-fable-5 · ai:claude-opus-4-8 (family inference)

Kept true by its growers

Every fact here carries its source. Grow Flowering Spurge yourself? What you’ve observed — how it drinks, how it holds its color, a name that’s off — is exactly what keeps this page honest. Contributions are reviewed before anything changes.