Felwort
Swertia perennis
- Native to:
- Aleutian Is., Austria, Baltic States, Belarus, Bulgaria, Canada, China, Czechia-Slovakia, France, Germany, Italy, Japan, Kuril Is., North Caucasus, NW. Balkan Pen., Poland, Romania, Russia, Spain, Switzerland, United States
Hamdigumus
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Gentianaceae
- Genus:
- Swertia
- Species:
- Swertia perennis
- USDA Symbol:
- SWPE
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 60 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- jul,aug,sep
- Bloom Colors:
- purple, blue, white
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, nutrient-rich, well-drained soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- good drainage required
- Moisture:
- consistently moist
- Notes:
- prefers alpine and subalpine wet meadows
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–90 days
- Germination Time:
- 14–60 days
- Notes:
- Seeds require light for germination; surface sow and maintain cool, moist conditions.
The above propagation data sourced from Claude AI
Pre-treatment: No pretreatment is needed if seed is Fall-sown. Otherwise, 90-120 days of cold, moist stratification at 34-38ø F is needed before sowing.
Source: npn.rngr.net