How much sun does Parsnipflower buckwheat need?

Parsnipflower buckwheat grows best in full sun conditions.

When does Parsnipflower buckwheat bloom?

Parsnipflower buckwheat blooms in May, June, and July.

Where is Parsnipflower buckwheat native?

Parsnipflower buckwheat (Eriogonum heracleoides) is native to CA, CO, ID, MT and 5 more states, per the World Checklist of Vascular Plants (Kew).

What butterflies or moths does Parsnipflower buckwheat host?

Parsnipflower buckwheat is a larval host plant for Acmon blue.

Parsnipflower buckwheat

Name: Pollinator Patch
Author: Pollinator Patch

Eriogonum heracleoides

Last reviewed: September 2026

Parsnipflower buckwheat (Eriogonum heracleoides) is a perennial forb native to CA, CO, ID, MT and 5 more states. It blooms in May, June, and July. The flowers draw bees.

Toxicity unknown

Parsnipflower buckwheat (Eriogonum heracleoides) 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

8"–16" H × 12"–24" W

Bloom

May, Jun, Jul

Native to

CA, CO, ID, MT and 5 more states

Pollinators

bees

Before you buy

Your city may pay you to plant this

Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 458 programs across 44 states, each with a link to the provider and the date we last checked it.

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Browse plants for this ecoregion

Northwestern Forested Mountains North American Deserts Central Basin and Range

Low mounding subshrub with woolly basal leaves and flat-topped clusters of creamy white flowers on leafless stems. Found on dry rocky slopes and open pine forests.

Growing Parsnipflower buckwheat

Grow Parsnipflower buckwheat in full sun and low water. Mature plants reach 8 to 16 inches tall and spread 12 to 24 inches wide.

Wildlife value

Host plant for Acmon blue.

Flowers are an exceptional resource for native bees, including specialist buckwheat bees; also a larval host for the Acmon blue butterfly.

Common questions

How much sun does Parsnipflower buckwheat need?: Parsnipflower buckwheat grows best in full sun conditions.
When does Parsnipflower buckwheat bloom?: Parsnipflower buckwheat blooms in May, June, and July.
Where is Parsnipflower buckwheat native?: Parsnipflower buckwheat (Eriogonum heracleoides) is native to CA, CO, ID, MT and 5 more states, per the World Checklist of Vascular Plants (Kew).
What butterflies or moths does Parsnipflower buckwheat host?: Parsnipflower buckwheat is a larval host plant for Acmon blue.

Native range data from the World Checklist of Vascular Plants (Kew). 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.

See all plant problem guides

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

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