Bog Yellowcress
Rorippa palustris
- Native to:
- Afghanistan, Albania, Austria, Baltic States, Bangladesh, Belarus, Belgium, Bulgaria, Canada, China, Corse, Czechia-Slovakia, Denmark, Egypt, Ethiopia, Finland, France, Germany, Gulf States, Hungary, India, Ireland, Italy, Japan, Jawa, Kazakhstan, Kirgizstan, Korea, Krym, Kuril Is., Labrador, Lesser Sunda Is., Libya, Maluku, Nansei-shoto, Nepal, Netherlands, New Guinea, Nicaragua, North Caucasus, Norway, NW. Balkan Pen., Pakistan, Poland, Portugal, Prince Edward I., Romania, Russia, Spain, Sudan-South Sudan, Sweden, Switzerland, Tadzhikistan, Taiwan, Transcaucasus, Türkiye, Turkmenistan, Ukraine, United States, Uzbekistan, Yemen
Me
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Brassicaceae
- Genus:
- Rorippa
- Species:
- Rorippa palustris
- USDA Symbol:
- ROPA2
Growth Characteristics
- Life Cycle:
- Annual | Biennial | Perennial
- Growth Habit:
- Forb/herb
- Height:
- 100 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- may,jun,jul,aug,sep
- Bloom Colors:
- yellow
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
Garden & Ecology Notes
- Wildlife Value:
- waterfowl, songbirds
Soil Requirements
- Soil Type:
- moist, nutrient-rich, silty clay
- pH:
- 5.5 - 7.5 (slightly acidic to neutral)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- commonly found in wetlands and marshes
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 7–21 days
- Notes:
- Seeds require light for germination. Cold stratification improves germination rates.
The above propagation data sourced from Claude AI