How much sun does Wolf's-milk need?

Wolf's-milk grows best in full sun conditions.

When does Wolf's-milk bloom?

Wolf's-milk blooms in April, May, June, July, August, September, October, and November.

What pollinators does Wolf's-milk attract?

Wolf's-milk draws bees and beetles.

Is Wolf's-milk HOA-friendly?

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

Wolf's-milk

Name: Pollinator Patch
Author: Pollinator Patch

Euphorbia helioscopia

Last reviewed: August 2026

Toxicity unknown

Wolf's-milk (Euphorbia helioscopia) 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

6"–24" H × 4"–12" W

Bloom

Apr, May, Jun, Jul, Aug, Sep, Oct, Nov

Pollinators

bees, beetles

Native alternatives to Wolf's-milk

Wolf's-milk is not native to the United States. These natives fill a similar role in a planting, matched on bloom season, bloom color and mature size.

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Wolf's-milk is a small annual forb with distinctive yellowish-green flower clusters and milky sap. It grows in a compact, upright form and blooms for an exceptionally long season from spring through late fall.

In an HOA neighborhood

Wolf's-milk 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.

Commonly considered a weed
Milky sap can be toxic and irritating
May self-seed aggressively

Wildlife value

The long blooming period provides nectar for bees and beetles throughout most of the growing season.

Common questions

How much sun does Wolf's-milk need?: Wolf's-milk grows best in full sun conditions.
When does Wolf's-milk bloom?: Wolf's-milk blooms in April, May, June, July, August, September, October, and November.
What pollinators does Wolf's-milk attract?: Wolf's-milk draws bees and beetles.
Is Wolf's-milk HOA-friendly?: Wolf's-milk takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

If something looks wrong

Common plant problems, and what to check first

These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.

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