// SPECIES PROFILE · GRASS · NATIVE

Weak rush

Juncus debilis

Weak rush (Juncus debilis) is a grass in the — family. Native range includes AR, MO. Hardy in zones 3a–11b. Mature size 1"–10". Blooms May–Aug.

// QUICK FACTS

Family: —
Group: grass
Native range: Native to 23 U.S. states, including AL, AR, CT, DC, DE, FL…
USDA hardiness: Zones 3a–11b
Mature size: 1"–10"
Sun: —
Water: —
Bloom: May–Aug
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Weak rush (Juncus debilis) — *Juncus debilis* — Weak 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: 481. Courtesy of Kentucky Native Plant Society. Scanned by Omnitek Inc. via Wikimedia Commons (Public domain).

Field Notes

[ growing · ecology · siting · care ]

Weak rush (Juncus debilis) is a grass in the — family. Native range includes AR, MO. Hardy in zones 3a–11b. Mature size 1"–10". Blooms May–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, weak rush pairs naturally with: Big Bluestem (Andropogon gerardii), Common Rush (Juncus effusus), Eastern Gamagrass (Tripsacum dactyloides), Eastern Woodland Sedge (Carex blanda).