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Lesser blackscale sedge

Carex atrosquama

Also called Black Scale Sedge, Blackened Sedge, Dark Scale Sedge, Lesser Black Scale Sedge, Lesser Blackscale

Lesser blackscale sedge
Photo: Matt Lavin, CC BY-SA 2.0

A small native sedge of mountain and subalpine meadows and gravelly stream banks in western North America. It is a cool-climate, tufted perennial best suited to native or naturalistic plantings.

Family
Cyperaceae (Cyper family)
Grows as
Grass
Light
Full sun, Part shade
Water
Keep the soil evenly moist during the growing season, and let it dry slightly between waterings.
Soil
Gritty, well-drained loam or gravelly soil with some organic matter.
Temperature
Tolerates cold winters typical of its alpine habitat; avoid prolonged heat above about 30 °C.
How easy
Moderate
Native range
Alaska to WC. U.S.A.
Climate
temperate

About

Carex atrosquama, the lesser blackscale sedge, is a species of sedge described by Kenneth Kent Mackenzie in 1912. It is native to the northwestern United States and western Canada, from Alaska south to Utah and Colorado. It grows in alpine and subalpine meadows, or along rivers and streams in gravelly areas.

Other Carex plants

Carex abitibiana · Indian Valley sedge · Abruptbeak sedge · Thicket sedge · Small Dusky Sedge · Seoul Sedge · Acid Loving Sedge · Carex acocksii · Slender Tufted-sedge · Carex acutata · Lesser pond sedge · Circumpolar sedge

Text excerpted from the Wikipedia article Carex atrosquama 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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