Rockcress
Arabidopsis arenosa
- Native to:
- Austria, Baltic States, Belarus, Belgium, Bulgaria, Czechia-Slovakia, Denmark, France, Germany, Greenland, Hungary, Italy, NW. Balkan Pen., Poland, Romania, Switzerland, Ukraine
iNaturalist: © jjjambo (iNaturalist #162872419)
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Brassicaceae
- Genus:
- Arabidopsis
- Species:
- Arabidopsis arenosa
- USDA Symbol:
- ARAR33
Growth Characteristics
- Growth Habit:
- Forb/herb
- Height:
- 40 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- apr,may,jun,jul,aug
- Bloom Colors:
- white, pink, purple
Garden & Ecology Notes
- Wildlife Value:
- bees, 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:
- commonly found in rocky or gravelly habitats
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 14–30 days
- Germination Time:
- 7–21 days
- Notes:
- Seeds germinate readily with light and cool temperatures after brief cold stratification. Surface sow or barely cover as germination is light-dependent.
The above propagation data sourced from Claude AI