Woolly Princesplume

Stanleya tomentosa

Woolly Princesplume

Matt Lavin from Bozeman, Montana, USA

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Brassicaceae
Genus:
Stanleya
Species:
Stanleya tomentosa

Growth Characteristics

Life Cycle:
Biennial | Perennial
Growth Habit:
Forb/herb , Subshrub
Height:
4-6 ft
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
jun, jul, aug
Bloom Colors:
Yellow

Native Range

United States: Idaho, Wyoming

Soil Requirements

Soil Type:
sandy, well-drained, nutrient-poor soil
pH:
6.0 - 8.0 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
thrives in arid, rocky environments

Germination Information

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

Source: OpenAI GPT-4o