How much sun does Hairy gumweed need?

Hairy gumweed grows best in full sun conditions.

When does Hairy gumweed bloom?

Hairy gumweed blooms in June, July, August, and September.

Where is Hairy gumweed native?

Hairy gumweed (Grindelia hirsutula) is native to AZ, CA, ID, IL and 13 more states, per vouchered herbarium specimen records and regional native plant society lists.

What pollinators does Hairy gumweed attract?

Hairy gumweed draws bees and butterflies.

Hairy gumweed

Name: Pollinator Patch
Author: Pollinator Patch

Grindelia hirsutula

Last reviewed: September 2026

Hairy gumweed (Grindelia hirsutula) is a perennial forb native to AZ, CA, ID, IL and 13 more states. It blooms in June, July, August, and September. The flowers draw bees and butterflies.

Toxicity unknown

Hairy gumweed (Grindelia hirsutula) 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, Sep

Native to

AZ, CA, ID, IL and 13 more states

Pollinators

bees, butterflies

Before you buy

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Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 460 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

Coast Range Puget Lowland Marine West Coast Forest Northwestern Forested Mountains Sierra Nevada Central California Foothills and Coastal Mountains Central California Valley Southern California Mountains North American Deserts Central Basin and Range Mojave Basin and Range Southern Rockies High Plains Southwestern Tablelands Northwestern Glaciated Plains Northwestern Great Plains Southern California/Northern Baja Coast

Resinous perennial with sticky-coated flower buds and bright yellow daisy flowers. Found on dry grassy slopes and open disturbed ground.

Growing Hairy gumweed

Grow Hairy gumweed in full sun and low water. Mature plants reach 12 to 36 inches tall and spread 12 to 24 inches wide.

Wildlife value

Late-season flowers provide nectar and pollen for native bees and butterflies.

Common questions

How much sun does Hairy gumweed need?: Hairy gumweed grows best in full sun conditions.
When does Hairy gumweed bloom?: Hairy gumweed blooms in June, July, August, and September.
Where is Hairy gumweed native?: Hairy gumweed (Grindelia hirsutula) is native to AZ, CA, ID, IL and 13 more states, per vouchered herbarium specimen records and regional native plant society lists.
What pollinators does Hairy gumweed attract?: Hairy gumweed draws bees and butterflies.

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.

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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