// SPECIES PROFILE · GRASS · NATIVE

Flat-spiked sedge

Carex planispicata

Flat-spiked sedge (Carex planispicata) is a grass in the — family. Native range includes AR, MO, OK. Hardy in zones 5a–10a. Blooms Apr–Jun.

// QUICK FACTS

Family: —
Group: grass
Native range: Native to 22 U.S. states, including AL, AR, DC, DE, GA, IL…
USDA hardiness: Zones 5a–10a
Mature size: —
Sun: —
Water: —
Bloom: Apr–Jun
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Flat-spiked sedge (Carex planispicata) — *Carex planispicata* — Flat-spiked sedge. Photo via iNaturalist — (c) Alaina Krakowiak, some rights reserved (CC BY).

Field Notes

[ growing · ecology · siting · care ]

Flat-spiked sedge (Carex planispicata) is a grass in the — family. Native range includes AR, MO, OK. Hardy in zones 5a–10a. Blooms Apr–Jun.

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, flat-spiked sedge pairs naturally with: Big Bluestem (Andropogon gerardii), Common Rush (Juncus effusus), Eastern Gamagrass (Tripsacum dactyloides), Eastern Woodland Sedge (Carex blanda).