Lyrate Rockcress
Arabidopsis lyrata
- Native to:
- Aleutian Is., Austria, Canada, China, Czechia-Slovakia, Finland, Føroyar, Germany, Hungary, Iceland, Ireland, Italy, Japan, Korea, Kuril Is., Norway, Poland, Romania, Russia, Sweden, Taiwan, Ukraine, United States
Fritzflohrreynolds
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Brassicaceae
- Genus:
- Arabidopsis
- Species:
- Arabidopsis lyrata
- USDA Symbol:
- ARLY2
Growth Characteristics
- Life Cycle:
- Biennial | Perennial
- Growth Habit:
- Forb/herb
- Height:
- 40 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- apr,may,jun,jul
- Bloom Colors:
- white
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
Host Plant for Caterpillars
⚠️Olympia Marble (Euchloe olympia), Paramidea midea
Reported Fauna Sightings
Butterflies:⚠️Olympia Marble (Euchloe olympia)
Garden & Ecology Notes
- Wildlife Value:
- small insects
Soil Requirements
- Soil Type:
- sandy, well-drained, nutrient-poor soil
- pH:
- 5.5 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- prefers open, rocky habitats
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 7–21 days
- Notes:
- Seeds require light for germination; sow on surface. Cold stratification improves germination rates.
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