// SPECIES PROFILE · GRASS · NATIVE

Grassleaf rush

Juncus marginatus

Grassleaf rush (Juncus marginatus) is a grass in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 2b–11b. Blooms Apr–May.

// QUICK FACTS

Family: —
Group: grass
Native range: Native to 42 U.S. states, including AL, AR, AZ, CA, CO, CT…
USDA hardiness: Zones 2b–11b
Mature size: —
Sun: Part shade
Water: Medium
Bloom: Apr–May
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Grassleaf rush (Juncus marginatus) — *Juncus marginatus* — Grassleaf rush. 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: 473. Courtesy of Kentucky Native Plant Society. Scanned by Omnitek Inc. via Wikimedia Commons (Public domain).

Field Notes

[ growing · ecology · siting · care ]

Grassleaf rush (Juncus marginatus) is a grass in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 2b–11b. Blooms Apr–May.

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, grassleaf rush pairs naturally with: Fox Sedge (Carex vulpinoidea), Awlfruit sedge (Carex stipata), Broadleaf cattail (Typha latifolia), Fox sedge (Carex vulpinoidea var. vulpinoidea).