// SPECIES PROFILE · GRASS · NATIVE

Black edge sedge

Carex nigromarginata

Black edge sedge (Carex nigromarginata) is a grass in the — family. Native range includes AR, MO, OK. Hardy in zones 3a–10a. Mature size 6"–1'.

// QUICK FACTS

Family: —
Group: grass
Native range: Native to 25 U.S. states, including AL, AR, CT, DC, DE, GA…
USDA hardiness: Zones 3a–10a
Mature size: 6"–1'
Sun: —
Water: —
Bloom: —
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Black edge sedge (Carex nigromarginata) — *Carex nigromarginata* — Black edge sedge. Photo by Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. 3 vols. Charles Scribner's Sons, New York. Vol. 1: 393. Courtesy of Kentucky Native Plant Society. Scanned by Omnitek Inc. via Wikimedia Commons (Public domain).

Field Notes

[ growing · ecology · siting · care ]

Black edge sedge (Carex nigromarginata) is a grass in the — family. Native range includes AR, MO, OK. Hardy in zones 3a–10a. Mature size 6"–1'.

Why it's on this list: native species profile. Native-range data from the Lady Bird Johnson Wildflower Center (NPIN), cross-checked against iNaturalist observations. Part of Rooted Revival's regional native plant catalog — true natives for Oklahoma, Arkansas, Missouri and Kansas.

Companion Planting

[ guild · polyculture · cross-layer pairings ]

In the same native range, black edge sedge pairs naturally with: Big Bluestem (Andropogon gerardii), Common Rush (Juncus effusus), Eastern Woodland Sedge (Carex blanda), Fox Sedge (Carex vulpinoidea).