// SPECIES PROFILE · GRASS · NATIVE

Flat-stem spike-rush

Eleocharis compressa var. compressa

Flat-stem spike-rush (Eleocharis compressa var. compressa) is a grass in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 2b–10a. Mature size 1"–18".

// QUICK FACTS

Family: —
Group: grass
Native range: Native to 29 U.S. states, including AL, AR, CO, DC, GA, IA…
USDA hardiness: Zones 2b–10a
Mature size: 1"–18"
Sun: —
Water: —
Bloom: —
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Flat-stem spike-rush (Eleocharis compressa var. compressa) — *Eleocharis compressa var. compressa* — Flat-stem spike-rush. Photo via iNaturalist — (c) aarongunnar, some rights reserved (CC BY), uploaded by aarongunnar.

Field Notes

[ growing · ecology · siting · care ]

Flat-stem spike-rush (Eleocharis compressa var. compressa) is a grass in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 2b–10a. Mature size 1"–18".

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-stem spike-rush pairs naturally with: Big Bluestem (Andropogon gerardii), Fox Sedge (Carex vulpinoidea), Indiangrass (Sorghastrum nutans), Little Bluestem (Schizachyrium scoparium).