Bittercress
Cardamine ×anomala
- Native to:
- United States
iNaturalist: © origamilevi (iNaturalist #356368284)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Brassicaceae
- Genus:
- Cardamine
- Species:
- Cardamine ×anomala
- USDA Symbol:
- CAAN12
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 40 cm
- Light Requirements:
- Part Shade
- Drought Tolerance:
- Low
- Bloom Months:
- apr,may,jun
- Bloom Colors:
- white, pink
Wildlife Benefits
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
Keystone Species Ranking
- Caterpillar Keystone:
- ★☆☆☆☆ Butterfly & moth species supported by this genus (NWF)
Garden & Ecology Notes
- Wildlife Value:
- butterflies
Soil Requirements
- Soil Type:
- rich, well-drained loamy soil
- Drainage:
- excellent drainage required
- Moisture:
- consistently moist
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 7–21 days
- Notes:
- Light may enhance germination. Seeds germinate readily with cold-moist pretreatment.
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