Avery Peak Twinpod
Physaria alpina
- Native to:
- United States
Karelj
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Brassicaceae
- Genus:
- Physaria
- Species:
- Physaria alpina
- USDA Symbol:
- PHAL10
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 15 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- may,jun,jul
- Bloom Colors:
- yellow
Garden & Ecology Notes
- Deer Resistant:
- Yes
Soil Requirements
- Soil Type:
- rocky, well-drained, calcareous soil
- pH:
- 6.0 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- native to alpine regions with limestone substrates
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–30 days
- Notes:
- Seeds germinate best after cold stratification. Light may aid germination.
The above propagation data sourced from Claude AI
Pre-treatment: Stratification at 2-4C for 2-12 weeks
Establishment: Endemic to alpine areas in central and west-central Colorado.
Source: npn.rngr.net
ORGHPS Germination Guide: Sow @ 20C. Germinates within 3 months.