Thinleaf Cottonsedge
Eriophorum viridicarinatum
- Native to:
- Canada, Labrador, Prince Edward I., United States
iNaturalist: © owenstrickland (iNaturalist #49528457)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Cyperaceae
- Genus:
- Eriophorum
- Species:
- Eriophorum viridicarinatum
- USDA Symbol:
- ERVI9
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Graminoid
- Height:
- 90 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- may,jun,jul
- Bloom Colors:
- white
Wildlife Benefits
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
Garden & Ecology Notes
- Wildlife Value:
- birds, small mammals
Soil Requirements
- Soil Type:
- wet, peaty, nutrient-rich soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- commonly found in wetlands and bogs
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 60–90 days
- Germination Time:
- 14–30 days
- Notes:
- Seeds require cold stratification for 60-90 days; sow on moist peat surface and keep consistently wet.