How much sun does Clarkia affinis need?

Clarkia affinis grows best in full sun conditions.

When does Clarkia affinis bloom?

Clarkia affinis blooms in April, May, and June.

Where is Clarkia affinis native?

Clarkia affinis is native to CA, per the World Checklist of Vascular Plants (Kew).

Clarkia affinis

Name: Pollinator Patch
Author: Pollinator Patch

Last reviewed: September 2026

Clarkia affinis is a annual forb native to CA. It blooms in April, May, and June. The flowers draw bees.

Toxicity unknown

Clarkia affinis 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"–24" H × 6"–12" W

Bloom

Apr, May, Jun

Native to

Pollinators

bees

Before you buy

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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

Coast Range Central California Foothills and Coastal Mountains Central California Valley Southern California Mountains Southern California/Northern Baja Coast

A slender annual wildflower with narrow leaves and cup-shaped pink to lavender four-petaled flowers along an upright stem. Blooms in a single spring flush on dry foothill slopes and then sets seed and dies back.

Growing Clarkia affinis

Grow Clarkia affinis in full sun and low water. Mature plants reach 8 to 24 inches tall and spread 6 to 12 inches wide.

Wildlife value

Spring flowers are visited by native bees, including clarkia specialist bees during the peak wildflower bloom.

Common questions

How much sun does Clarkia affinis need?: Clarkia affinis grows best in full sun conditions.
When does Clarkia affinis bloom?: Clarkia affinis blooms in April, May, and June.
Where is Clarkia affinis native?: Clarkia affinis is native to CA, per the World Checklist of Vascular Plants (Kew).
What pollinators does Clarkia affinis attract?: Clarkia affinis draws bees.

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

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