Forest Scurfpea

Rupertia physodes

Native to:
Canada, United States

📍 View on iNaturalist →

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Fabaceae
Genus:
Rupertia
Species:
Rupertia physodes
USDA Symbol:
RUPH3

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
60 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
may,jun,jul
Bloom Colors:
yellow, cream

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)
Caterpillars:
★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)

Host Plant for Caterpillars

Agonopterix posticella, Agonopterix psoraliella

Garden & Ecology Notes

Wildlife Value:
bees, small mammals
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Resprouts from deep tuberous roots following fire; adapted to fire-prone chaparral and woodland habitats.

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
5.5 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
prefers open, sunny habitats

Propagation & Germination

Stratification:
Cold/moist stratification required — 60–90 days
Scarification:
Seed coat scarification required before sowing
Germination Time:
14–42 days
Notes:
Scarification improves germination of hard-coated legume seeds. Cold stratification after scarification is beneficial.

The above propagation data sourced from Claude AI

Pre-treatment: None required

Establishment: This plant is generally distributed in California, Idaho, Oregon, Washington, and Western Canada.

Source: npn.rngr.net