Darkbrown Sedge

Carex atrofusca

Native to:
Afghanistan, Austria, Canada, China, Czechia-Slovakia, Finland, France, Great Britain, Greenland, India, Italy, Kazakhstan, Kirgizstan, Labrador, Nepal, Norway, NW. Balkan Pen., Romania, Russia, Sweden, Switzerland, Tadzhikistan, United States, Uzbekistan

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Cyperaceae
Genus:
Carex
Species:
Carex atrofusca
USDA Symbol:
CAAT7

Growth Characteristics

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

Wildlife Benefits

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

Host Plant for Caterpillars

Ross's alpine (Erebia rossii)

Garden & Ecology Notes

Wildlife Value:
birds, small mammals

Soil Requirements

Soil Type:
moist, nutrient-rich, peaty soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
tolerates poor drainage
Moisture:
consistently moist
Notes:
Common in alpine and subalpine wetlands

Propagation & Germination

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