// SPECIES PROFILE · GRASS · NATIVE

Pine barren flatsedge

Cyperus retrorsus var. retrorsus

Pine barren flatsedge (Cyperus retrorsus var. retrorsus) is a grass in the — family. Native range includes AR, MO, OK. Hardy in zones 3a–11b. Mature size 1"–30". Blooms Jun–Aug.

// QUICK FACTS

Family: —
Group: grass
Native range: Native to 23 U.S. states, including AL, AR, DC, DE, FL, GA…
USDA hardiness: Zones 3a–11b
Mature size: 1"–30"
Sun: —
Water: —
Bloom: Jun–Aug
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Pine barren flatsedge (Cyperus retrorsus var. retrorsus) — *Cyperus retrorsus var. retrorsus* — Pine barren flatsedge. Photo via iNaturalist — (c) Zihao Wang, some rights reserved (CC BY).

Field Notes

[ growing · ecology · siting · care ]

Pine barren flatsedge (Cyperus retrorsus var. retrorsus) is a grass in the — family. Native range includes AR, MO, OK. Hardy in zones 3a–11b. Mature size 1"–30". Blooms Jun–Aug.

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, pine barren flatsedge pairs naturally with: Big Bluestem (Andropogon gerardii), Common Rush (Juncus effusus), Eastern Woodland Sedge (Carex blanda), Fox Sedge (Carex vulpinoidea).