Apetalous Catchfly
Silene uralensis
- Native to:
- Aleutian Is., Canada, Greenland, Japan, Kazakhstan, Kirgizstan, Kuril Is., Labrador, Russia, Svalbard, Tadzhikistan, United States, Uzbekistan
Jacob W. Frank






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Caryophyllaceae
- Genus:
- Silene
- Species:
- Silene uralensis
- USDA Symbol:
- SIUR
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 20 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- jun,jul,aug
- Bloom Colors:
- white, pink
Wildlife Benefits
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
Garden & Ecology Notes
- Deer Resistant:
- Yes
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:
- commonly found in alpine and arctic regions
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–42 days
- Notes:
- Seeds require light for germination; surface sow and do not cover.
The above propagation data sourced from Claude AI
Pre-treatment: 5 month outdoor cold, moist stratification
Establishment: Seeds are collected in late August when capsules turn papery and seeds are easily shaken out of the capsules. Seeds are brown at maturity and are collected in paper bags and kept in a well ventilated drying shed prior to cleaning.
Source: npn.rngr.net
ORGHPS Germination Guide: Sow @ 20°C. Seed germinates within 3 months * some photo effects