San Francisco Woodland-Star

Lithophragma affine

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Saxifragaceae
Genus:
Lithophragma
Species:
Lithophragma affine

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
2-3 ft
Light Requirements:
Full Sun
Bloom Months:
mar, apr, may
Bloom Colors:
White

Native Range

United States: California, Oregon

Host Plant for Caterpillars

Greya moth (Greya politella), Greya obscura

Soil Requirements

Soil Type:
well-drained, rocky or sandy soil
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to rocky slopes and open woodlands

Germination Information

Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).

Source: OpenAI GPT-4o