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Hoppner's sedge

Carex subspathacea

Also called Hoppner’s Sedge, Somewhat Sheathed Sedge

Hoppner's sedge
Photo: Ragnhild&Neil Crawford from Sweden, CC BY-SA 2.0

Hoppner's sedge is a low, rhizomatous grass-like perennial that forms matted clumps in coastal salt marshes. It grows best in cool, damp to wet, saline conditions.

Family
Cyperaceae (Cyper family)
Grows as
Grass
Light
Full sun
Water
Keep the soil consistently moist to wet, as it grows naturally in marsh conditions.
Soil
Moist, saline or sandy-silty soil; a marsh or bog mix works well.
Temperature
5–20 °C; hardy in cold climates, but protect from heat above about 30 °C.
How easy
Moderate
Native range
Subarctic Northern Hemisphere to N. & NC. Japan
Climate
temperate

About

Carex subspathacea, called Hoppner's sedge, is a species of flowering plant in the genus Carex, native to coastal salt marshes of the Arctic and northwest Pacific Oceans; Alaska, Canada, Greenland, Iceland, Norway, northern and far eastern Russia, Korea, and Japan. It is grazed by snow geese (Anser caerulescens).

Other Carex plants

Carex alba · Tall Sedge · Black-spike sedge · Asian Shortstem Sedge · Hair-like sedge · Carex curvula · Common Yellow Sedge · Dioecious sedge · Teasel Sedge · Grassland sedge · Carex dolichostachya · Tufted Sedge

Text excerpted from the Wikipedia article Carex subspathacea by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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