Fewseed Sedge

Carex oligosperma

Native to:
Canada, Labrador, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Cyperaceae
Genus:
Carex
Species:
Carex oligosperma
USDA Symbol:
CAOL3

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Graminoid
Height:
100 cm
Light Requirements:
Full Sun
Drought Tolerance:
Low
Bloom Months:
may,jun

Wildlife Benefits

Caterpillars:
★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)

Host Plant for Caterpillars

Jutta Arctic (Oeneis jutta)

Garden & Ecology Notes

Wildlife Value:
birds, small mammals
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Tolerates occasional fire in peatland habitats; fire can reduce competition and stimulate seed germination.

Soil Requirements

Soil Type:
sandy, 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 wetland areas

Propagation & Germination

Stratification:
Cold/moist stratification required — 60–90 days
Germination Time:
30–60 days
Notes:
Seeds require cold moist stratification for 60-90 days; germination occurs in spring under warm, moist conditions.