Parasol Draba
Draba subumbellata
- Native to:
- United States
iNaturalist: © mdpurdy (iNaturalist #31437309)
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Brassicaceae
- Genus:
- Draba
- Species:
- Draba subumbellata
- USDA Symbol:
- DRSU3
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 15 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- jun,jul,aug
- Bloom Colors:
- yellow
Garden & Ecology Notes
- Deer Resistant:
- Yes
Soil Requirements
- Soil Type:
- rocky, well-drained, low-nutrient soil
- pH:
- 6.0 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- native to alpine and subalpine regions
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–42 days
- Notes:
- Seeds germinate best with cold stratification and light exposure. Sow on surface or barely cover.
The above propagation data sourced from Claude AI
Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).
Source: Claude AI
ORGHPS Germination Guide: Most Drabas germinate at warm temperatures, some need a few days warm, then 3 weeks cold, then warm