// SPECIES PROFILE · GRASS · NATIVE

Straw-colored flatsedge

Cyperus strigosus

Straw-colored flatsedge (Cyperus strigosus) is a grass in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 2b–11b. Mature size 1"–40". Blooms Jun–Oct.

// QUICK FACTS

Family: —
Group: grass
Native range: Native to 45 U.S. states, including AL, AR, AZ, CA, CT, DC…
USDA hardiness: Zones 2b–11b
Mature size: 1"–40"
Sun: —
Water: —
Bloom: Jun–Oct
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Straw-colored flatsedge (Cyperus strigosus) — *Cyperus strigosus* — Straw-colored flatsedge. Photo by Robert H. Mohlenbrock via Wikimedia Commons (Public domain).

Field Notes

[ growing · ecology · siting · care ]

Straw-colored flatsedge (Cyperus strigosus) is a grass in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 2b–11b. Mature size 1"–40". Blooms Jun–Oct.

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, straw-colored flatsedge pairs naturally with: Awlfruit sedge (Carex stipata), Broadleaf cattail (Typha latifolia), Yellow nutsedge (Cyperus esculentus), Tapered rosette grass (Dichanthelium acuminatum).