Dwarf Willowherb
Epilobium obscurum
- Native to:
- Albania, Algeria, Austria, Azores, Baltic States, Belarus, Belgium, Bulgaria, Canary Is., Corse, Czechia-Slovakia, Denmark, East Aegean Is., Finland, France, Germany, Great Britain, Greece, Hungary, Ireland, Italy, Madeira, Morocco, Netherlands, Norway, NW. Balkan Pen., Poland, Romania, Russia, Sardegna, Spain, Sweden, Switzerland, Türkiye, Ukraine
Johann Georg Sturm (Painter: Jacob Sturm (en.wikipedia.org) )


Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Onagraceae
- Genus:
- Epilobium
- Species:
- Epilobium obscurum
- USDA Symbol:
- EPOB3
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 80 cm
- Light Requirements:
- Full Sun,Part Shade
- Drought Tolerance:
- Low
- Bloom Months:
- jun,jul,aug,sep
- Bloom Colors:
- pink, purple
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
Garden & Ecology Notes
- Wildlife Value:
- bees, butterflies
Soil Requirements
- Soil Type:
- moist, fertile, well-drained loam
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- prefers habitats like wet meadows and stream banks
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–30 days
- Notes:
- Seeds require cold stratification for 4-8 weeks to break dormancy; surface sow on moist soil and keep at 20°C after stratification.