Rockcress
Arabidopsis arenicola
- Native to:
- Canada, Greenland, Labrador, United States
iNaturalist: © samuelbrinker (iNaturalist #6848954)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Brassicaceae
- Genus:
- Arabidopsis
- Species:
- Arabidopsis arenicola
- USDA Symbol:
- ARAR32
Growth Characteristics
- Life Cycle:
- Annual
- Growth Habit:
- Forb/herb
- Height:
- 30 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- mar,apr,may,jun
- Bloom Colors:
- white
Garden & Ecology Notes
- Wildlife Value:
- small insects
- Deer Resistant:
- Yes
Soil Requirements
- Soil Type:
- sandy, well-drained, nutrient-poor soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- adapted to sandy, coastal environments
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 14–30 days
- Germination Time:
- 5–14 days
- Notes:
- Light promotes germination. Seeds are small and should be surface-sown or barely covered.
The above propagation data sourced from Claude AI
Pre-treatment: Single-step cold-moist stratification for temperate woodland species. for 60–120 days
Source: Claude AI