Hoppner's Sedge

Carex subspathacea

Native to:
Canada, Greenland, Iceland, Japan, Korea, Kuril Is., Labrador, Norway, Russia, Svalbard, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Cyperaceae
Genus:
Carex
Species:
Carex subspathacea
USDA Symbol:
CASU8

Growth Characteristics

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

Garden & Ecology Notes

Wildlife Value:
waterfowl, shorebirds
Salt Tolerant:
Yes

Soil Requirements

Soil Type:
saline, nutrient-rich, poorly-drained soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
tolerates poor drainage
Moisture:
consistently moist
Notes:
commonly found in coastal salt marshes

Propagation & Germination

Stratification:
Cold/moist stratification required — 60–90 days
Germination Time:
14–30 days
Notes:
Seeds benefit from cold, moist stratification for 60-90 days; sow on moist substrate and keep cool.