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California Strawflower

Collomia grandiflora

Last reviewed: June 2026

California Strawflower (Collomia grandiflora)
Photo: Dcrjsr / Wikimedia Commons (CC BY 4.0)

Light

part shade

Water

low

Size

12"–24" H × 6"–12" W

Bloom

Jun, Jul, Aug

Native to

AZ, CA, CO, ID and 6 more states

Pollinators

bees, butterflies, hummingbirds

Collomia grandiflora is a compact annual wildflower that produces clusters of tubular orange to salmon-colored blooms throughout summer. This low-growing plant thrives in partial shade with minimal water, making it suitable for naturalized areas and wildlife gardens.

In an HOA neighborhood

California Strawflower takes more care to keep looking intentional in a front yard. Maintenance level: moderate. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

  • Annual lifespan creates gaps in plantings
  • Wild appearance may look unkempt to HOAs
  • Requires replanting each year for consistent coverage

Wildlife value

The tubular flowers attract bees, butterflies, and hummingbirds during the summer blooming period. As a native annual, it provides seasonal nectar resources for pollinators.

Common questions

How much sun does California Strawflower need?
California Strawflower grows best in part shade conditions.
When does California Strawflower bloom?
California Strawflower blooms in June, July, and August.
Where is California Strawflower native?
California Strawflower (Collomia grandiflora) is native to AZ, CA, CO, ID and 6 more states, per the USDA PLANTS Database and regional native plant society lists.
What pollinators does California Strawflower attract?
California Strawflower draws bees, butterflies, and hummingbirds.
Is California Strawflower HOA-friendly?
California Strawflower 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 California Strawflower? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

Not sure where to start? Take the 2-minute yard quiz