Water Ragwort
Jacobaea aquatica
- Native to:
- Austria, Baltic States, Belarus, Belgium, Bulgaria, Czechia-Slovakia, Denmark, France, Germany, Hungary, Ireland, Italy, Lebanon-Syria, Netherlands, Norway, NW. Balkan Pen., Poland, Portugal, Romania, Russia, Spain, Sweden, Switzerland, Türkiye, Türkiye-in-Europe
Hans Hillewaert
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Asteraceae
- Genus:
- Jacobaea
- Species:
- Jacobaea aquatica
- USDA Symbol:
- SEAQ
Growth Characteristics
- Life Cycle:
- Biennial | Perennial
- Growth Habit:
- Forb/herb
- Height:
- 80 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- jul,aug,sep
- Bloom Colors:
- yellow
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
Garden & Ecology Notes
- Wildlife Value:
- bees, butterflies, hoverflies
- Deer Resistant:
- Yes
Soil Requirements
- Soil Type:
- moist, nutrient-rich clay or loam
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- Often found in marshy or wet meadow areas
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–28 days
- Notes:
- Seeds require light for germination; surface sow and do not cover.
The above propagation data sourced from Claude AI