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Fall witchgrass

Digitaria cognata

Also called Carolina Crabgrass, Fall Witch Grass, Diffuse Crabgrass, Fall Crabgrass

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

Fall witchgrass is a perennial wild grass native to eastern and central North America, grown mainly as a forage and wildlife plant rather than a garden ornamental. It is hardy and tolerates poor, shallow soils.

Family
Poaceae (Grass family)
Grows as
Grass
Light
Full sun, Part shade
Water
Water sparingly once established; it tolerates drought.
Soil
Tolerates poor, sandy or dry soils.
Temperature
Hardy in cold temperate climates, roughly down to -20 °C; grows well through warm summers.
How easy
Easy
Native range
SE. Canada to C. & E. U.S.A.
Climate
temperate

About

Digitaria cognata is a species of grass known by the common names fall witchgrass, Carolina crabgrass, and mountain hairgrass.

Uses

This grass provides graze for livestock and wild ungulates, and birds eat the seeds.

Other Digitaria plants

African couchgrass · Cotton Panic Grass · Arizona cottontop · Southern crabgrass · Raishan · Crabgrass · Digitgrass · Fonio · Slender crabgrass · Florida crabgrass · Longleaf crabgrass · Black fonio

Text excerpted from the Wikipedia article Digitaria cognata 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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