Longhorn Steer's-Head

Dicentra uniflora

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Papaveraceae
Genus:
Dicentra
Species:
Dicentra uniflora

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
Less than 6 in
Light Requirements:
Full Sun, Part Shade, Shade
Drought Tolerance:
High
Bloom Months:
feb, mar, apr, may, jun
Bloom Colors:
White, Pink, Purple

Native Range

United States: California, Colorado, Idaho, Montana, Nevada, Oregon, Utah, Washington, Wyoming, Canada: British Columbia

Host Plant for Caterpillars

Clodius Parnassian (Parnassius clodius)

Soil Requirements

Soil Type:
gravelly, well-drained, nutrient-poor soil
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to mountainous regions, prefers rocky outcrops

Germination Information

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

Source: OpenAI GPT-4o