// SPECIES PROFILE · GRASS · NATIVE

Woolgrass

Scirpus cyperinus

Woolgrass (Scirpus cyperinus) is a grass in the — family. Native range includes AR, MO, OK. Hardy in zones 2a–11b. Mature size 29"–6'. Blooms Jun–Sep.

// QUICK FACTS

Family: —
Group: grass
Native range: Native to 39 U.S. states, including AL, AR, CT, DC, DE, FL…
USDA hardiness: Zones 2a–11b
Mature size: 29"–6'
Sun: Full sun
Water: High · moisture-loving
Bloom: Jun–Sep
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Woolgrass (Scirpus cyperinus) — *Scirpus cyperinus* — Woolgrass. Photo by Fredlyfish4 via Wikimedia Commons (CC BY-SA 4.0).

Field Notes

[ growing · ecology · siting · care ]

Woolgrass (Scirpus cyperinus) is a grass in the — family. Native range includes AR, MO, OK. Hardy in zones 2a–11b. Mature size 29"–6'. Blooms Jun–Sep.

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, woolgrass pairs naturally with: Fox Sedge (Carex vulpinoidea), Awlfruit sedge (Carex stipata), Broadleaf cattail (Typha latifolia), Bristlystalked sedge (Carex leptalea).