// SPECIES PROFILE · GRASS · NATIVE

Hardstem bulrush

Schoenoplectus acutus

Hardstem bulrush (Schoenoplectus acutus) is a grass in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 1a–11a. Mature size 4'–10'. Blooms Mar–Aug.

// QUICK FACTS

Family: —
Group: grass
Native range: Native to 40 U.S. states, including AK, AR, AZ, CA, CO, CT…
USDA hardiness: Zones 1a–11a
Mature size: 4'–10'
Sun: —
Water: —
Bloom: Mar–Aug
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Hardstem bulrush (Schoenoplectus acutus) — *Schoenoplectus acutus* — Hardstem bulrush. Photo by Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. 3 vols. Charles Scribner's Sons, New York. Vol. 1: 332. Courtesy of Kentucky Native Plant Society. Scanned by Omnitek Inc. via Wikimedia Commons (Public domain).

Field Notes

[ growing · ecology · siting · care ]

Hardstem bulrush (Schoenoplectus acutus) is a grass in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 1a–11a. Mature size 4'–10'. Blooms Mar–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, hardstem bulrush pairs naturally with: Broadleaf cattail (Typha latifolia), Smooth brome (Bromus inermis), Needle spikerush (Eleocharis acicularis), Needle spikerush (Eleocharis acicularis var. porcata).