// SPECIES PROFILE · GRASS · NATIVE

Manyspike flatsedge

Cyperus polystachyos

Manyspike flatsedge (Cyperus polystachyos) is a grass in the — family. Native range includes AR, MO, OK. Hardy in zones 3a–13a. Mature size 1"–28".

// QUICK FACTS

Family: —
Group: grass
Native range: Native to 23 U.S. states, including AL, AR, DE, FL, GA, HI…
USDA hardiness: Zones 3a–13a
Mature size: 1"–28"
Sun: —
Water: —
Bloom: —
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Manyspike flatsedge (Cyperus polystachyos) — *Cyperus polystachyos* — Manyspike flatsedge. Photo via Wikimedia Commons (CC BY-SA 3.0).

Field Notes

[ growing · ecology · siting · care ]

Manyspike flatsedge (Cyperus polystachyos) is a grass in the — family. Native range includes AR, MO, OK. Hardy in zones 3a–13a. Mature size 1"–28".

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, manyspike flatsedge pairs naturally with: Common Rush (Juncus effusus), Little Bluestem (Schizachyrium scoparium), Switchgrass (Panicum virgatum), Broadleaf cattail (Typha latifolia).