Lyall's Rockcress
Boechera lyallii
- Native to:
- Canada, United States
iNaturalist: © robertgbrown (iNaturalist #198451354)
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Brassicaceae
- Genus:
- Boechera
- Species:
- Boechera lyallii
- USDA Symbol:
- ARLY
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 30 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- may,jun,jul
- Bloom Colors:
- purple, pink, white
Wildlife Benefits
- Caterpillars:
- ★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)
Host Plant for Caterpillars
Large Marble (Euchloe ausonides), Sara Orangetip (Anthocharis sara)
Garden & Ecology Notes
- Wildlife Value:
- small pollinators
- Deer Resistant:
- Yes
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–90 days
- Germination Time:
- 14–42 days
- Notes:
- Seeds benefit from cold stratification mimicking alpine winter conditions. Surface sow as light may aid germination.
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