Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Onagraceae

Genus:

Clarkia

Species:

Clarkia williamsonii

USDA Symbol:

CLWI

Growth Characteristics

Life Cycle:

Annual

Growth Habit:

Forb/herb

Height:

60 cm

Light Requirements:

Full Sun

Drought Tolerance:

Medium

Bloom Months:

may,jun,jul

Bloom Colors:

pink, lavender, purple

Wildlife Benefits

Bees:

★☆☆☆☆ Documented bee visitation (GBIF)

Butterflies & Moths:

★☆☆☆☆ Documented Lepidoptera association (GBIF)

Caterpillars:

★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)

Host Plant for Caterpillars

Garden & Ecology Notes

Wildlife Value:

bees, butterflies

Deer Resistant:

Yes

Soil Requirements

Soil Type:

well-drained, sandy or rocky soil

pH:

6.0 - 7.5 (slightly acidic to neutral)

Drainage:

excellent drainage required

Moisture:

dry to moderate

Notes:

prefers open, sunny areas; often found in chaparral and woodland edges

Propagation & Germination

Stratification:

None required

Germination Time:

7–21 days

Notes:

Sow on surface or barely cover; light may enhance germination. Best sown in fall or early spring.

The above propagation data sourced from Claude AI