How much sun does Prairie Agoseris need?

Prairie Agoseris grows best in full sun conditions.

When does Prairie Agoseris bloom?

Prairie Agoseris blooms in May, June, July, and August.

Where is Prairie Agoseris native?

Prairie Agoseris (Agoseris glauca) is native to AZ, CA, CO, ID and 11 more states, per the USDA PLANTS Database and regional native plant society lists.

Is Prairie Agoseris toxic to livestock?

The USDA PLANTS Database does not flag Prairie Agoseris as toxic to livestock.

What pollinators does Prairie Agoseris attract?

Prairie Agoseris draws bees and butterflies.

Is Prairie Agoseris HOA-friendly?

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

Prairie Agoseris

Name: Pollinator Patch
Author: Pollinator Patch

Agoseris glauca

Last reviewed: June 2026

The USDA PLANTS Database (opens in new tab) does not flag Prairie Agoseris as toxic to livestock.

Light

full sun

Water

low

Size

4"–24" H × 4"–12" W

Bloom

May, Jun, Jul, Aug

Native to

AZ, CA, CO, ID and 11 more states

Pollinators

bees, butterflies

Browse plants for this ecoregion

Sierra Nevada Central Basin and Range

Prairie agoseris is a compact native wildflower that produces bright yellow dandelion-like blooms from late spring through summer. This low-growing perennial forms neat clumps with narrow leaves and thrives in sunny, dry conditions.

In an HOA neighborhood

Prairie Agoseris 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.

Flowers closely resemble dandelions which many HOAs consider weeds
May be mistaken for undesirable wildflowers by neighbors
Leaf retention unknown creates uncertainty about winter appearance

Wildlife value

The cheerful yellow flowers attract native bees and butterflies throughout the long blooming season. Seeds provide food for small birds and wildlife.

Common questions

How much sun does Prairie Agoseris need?: Prairie Agoseris grows best in full sun conditions.
When does Prairie Agoseris bloom?: Prairie Agoseris blooms in May, June, July, and August.
Where is Prairie Agoseris native?: Prairie Agoseris (Agoseris glauca) is native to AZ, CA, CO, ID and 11 more states, per the USDA PLANTS Database and regional native plant society lists.
Is Prairie Agoseris toxic to livestock?: The USDA PLANTS Database does not flag Prairie Agoseris as toxic to livestock.
What pollinators does Prairie Agoseris attract?: Prairie Agoseris draws bees and butterflies.
Is Prairie Agoseris HOA-friendly?: Prairie Agoseris takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

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

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