Arctic Catchfly
Silene involucrata
- Native to:
- Canada, Finland, Greenland, Labrador, Norway, Russia, Svalbard, Sweden, United States
Qaqqaqtunaaq (www.flickr.com) from Iqaluit, Nunavut, Canada
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Caryophyllaceae
- Genus:
- Silene
- Species:
- Silene involucrata
- USDA Symbol:
- SIIN4
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 30 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- jun,jul,aug
- Bloom Colors:
- white, pink
Soil Requirements
- Soil Type:
- rocky, well-drained, nutrient-poor soil
- pH:
- 5.5 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- thrives in alpine and arctic regions
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–42 days
- Notes:
- Seeds may require light for germination. Cold stratification improves germination rates.
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
ORGHPS Germination Guide: Expose to fluctuating outdoor winter temps incl. freezing for 3 months. Increase light/temp in spring.