// SPECIES PROFILE · GRASS · NATIVE

Smooth brome

Bromus inermis

Smooth brome (Bromus inermis) is a grass in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 1a–11a. Mature size 6"–4'. Blooms May–Jul.

// QUICK FACTS

Family: —
Group: grass
Native range: Native to 47 U.S. states, including AK, AR, AZ, CA, CO, CT…
USDA hardiness: Zones 1a–11a
Mature size: 6"–4'
Sun: Full sun
Water: Medium
Bloom: May–Jul
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Smooth brome (Bromus inermis) — *Bromus inermis* — Smooth brome. Photo by Christian Fischer via Wikimedia Commons (CC BY-SA 3.0).

Field Notes

[ growing · ecology · siting · care ]

Smooth brome (Bromus inermis) is a grass in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 1a–11a. Mature size 6"–4'. Blooms May–Jul.

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, smooth brome pairs naturally with: Broadleaf cattail (Typha latifolia), Needle spikerush (Eleocharis acicularis), Needle spikerush (Eleocharis acicularis var. porcata), Needle spikerush (Eleocharis acicularis var. acicularis).