Plant Wiki

The open plant encyclopedia

Know any plant.
Grow it well.

Snap a photo or search by any name to see how to care for it, where it comes from, whether it's safe, and a 3D model you can turn.

  • 13,000+plants with full pages
  • 365,000+plant species worldwide
  • 220+countries covered

Common in

See all

The plants people record most in your country, and ones that grow there wild.

What do you want to do?

Popular plants

Browse all plants

See them in 3D

All plants in 3D

Browse plants

Filter by what you want to do, shape, origin, country, care and safety.

Plant Wiki › Browse plants

Hayden's sedge

Carex haydenii

Also called Cloud sedge, Long-scale tussock sedge, Long Scaled Tussock Sedge

Hayden's sedge
Photo: Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possession, Public domain

Hayden's sedge is a clump-forming, grass-like perennial native to eastern Canada and the northeastern US, grown mainly in rain gardens. Keep its roots consistently moist and it will tolerate full sun or light shade.

Family
Cyperaceae (Cyper family)
Grows as
Grass
Light
Full sun
Water
Keep the soil consistently moist or wet, as it naturally grows in wet ground.
Soil
Moist, fertile soil, heavy loam or clay tolerated.
Temperature
Hardy in cold winters; suited to temperate climates, roughly USDA zones 4 to 8.
How easy
Easy
Native range
E. Canada to NC. & NE. U.S.A.
Climate
temperate

About

Carex haydenii (common name, Hayden's sedge), is a species of flowering plant in the family Cyperaceae, native to eastern Canada and the north-central and northeastern United States. Preferring to grow in wet, shady situations, but able to tolerate full sun, it is recommended for rain gardens.

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 haydenii 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.

Credits & terms

Identify a plant

Point at a leaf or flower and snap. One plant in frame works best.

Your photo
Starting camera…