// SPECIES PROFILE · GRASS · NATIVE

Common threesquare

Schoenoplectus pungens var. longispicatus

Common threesquare (Schoenoplectus pungens var. longispicatus) is a grass in the — family. Native range includes KS, MO, OK. Hardy in zones 2a–11a.

// QUICK FACTS

Family: —
Group: grass
Native range: Native to 24 U.S. states, including AZ, CA, CO, IA, ID, IL…
USDA hardiness: Zones 2a–11a
Mature size: —
Sun: —
Water: —
Bloom: —
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Common threesquare (Schoenoplectus pungens var. longispicatus) — *Schoenoplectus pungens var. longispicatus* — Common threesquare. Photo via iNaturalist — no rights reserved.

Field Notes

[ growing · ecology · siting · care ]

Common threesquare (Schoenoplectus pungens var. longispicatus) is a grass in the — family. Native range includes KS, MO, OK. Hardy in zones 2a–11a.

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, common threesquare pairs naturally with: Sideoats Grama (Bouteloua curtipendula), Torrey's Rush (Juncus torreyi), Awlfruit sedge (Carex stipata), Prairie junegrass (Koeleria macrantha).