Threeseeded Sedge
Carex trisperma
- Native to:
- Canada, Greenland, Labrador, Prince Edward I., United States
iNaturalist: © dziomber (iNaturalist #53445029)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Cyperaceae
- Genus:
- Carex
- Species:
- Carex trisperma
- USDA Symbol:
- CATR10
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Graminoid
- Height:
- 90 cm
- Light Requirements:
- Part Shade
- Drought Tolerance:
- Low
- Bloom Months:
- may,jun,jul
Garden & Ecology Notes
- Wildlife Value:
- birds, small mammals
- Deer Resistant:
- Yes
Soil Requirements
- Soil Type:
- moist, acidic, nutrient-poor soil
- pH:
- 4.5 - 6.5 (acidic to slightly acidic)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- Commonly found in bogs and wet forests
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–90 days
- Notes:
- Seeds germinate best with light exposure and consistent moisture. Fresh seed germinates more readily than stored seed.