Kamchatka Rockcress
Arabidopsis lyrata subsp. kamchatica
- Native to:
- Aleutian Is., Canada, China, Japan, Korea, Kuril Is., Russia, Taiwan, United States
GBIF: tommy1224
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Brassicaceae
- Genus:
- Arabidopsis
- Species:
- Arabidopsis lyrata subsp. kamchatica
- USDA Symbol:
- ARKA6
Growth Characteristics
- Life Cycle:
- Biennial | Perennial
- Growth Habit:
- Forb/herb
- Height:
- 30 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- may,jun,jul
- Bloom Colors:
- white
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
- Caterpillars:
- ★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)
Host Plant for Caterpillars
⚠️Olympia Marble (Euchloe olympia), Paramidea midea
Garden & Ecology Notes
- Wildlife Value:
- butterflies, native bees
- Deer Resistant:
- Yes
- Salt Tolerant:
- Yes
Soil Requirements
- Soil Type:
- rocky, well-drained, nutrient-poor soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 14–30 days
- Germination Time:
- 7–21 days
- Notes:
- Requires light for germination. Seeds should not be covered. Best germination at 15-20°C.
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