// SPECIES PROFILE · GRASS · NATIVE

Ditch beardgrass

Polypogon interruptus

Ditch beardgrass (Polypogon interruptus) is a grass in the — family. Native range includes OK — verified against the Lady Bird Johnson Wildflower Center native distribution database. Hardy in zones 2a–13a. Blooms May–Aug.

// QUICK FACTS

Family: —
Group: grass
Native range: Native to 16 U.S. states, including AZ, CA, CO, HI, LA, NE…
USDA hardiness: Zones 2a–13a
Mature size: —
Sun: —
Water: —
Bloom: May–Aug
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Ditch beardgrass (Polypogon interruptus) — *Polypogon interruptus* — Ditch beardgrass. Photo by Forest & Kim Starr via Wikimedia Commons (CC BY 3.0).

Field Notes

[ growing · ecology · siting · care ]

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, ditch beardgrass pairs naturally with: Sideoats Grama (Bouteloua curtipendula), Prairie junegrass (Koeleria macrantha), Broadleaf cattail (Typha latifolia), Bunching side oats grama (Bouteloua curtipendula var. caespitosa).