// SPECIES PROFILE · GRASS · NATIVE

Switchgrass

Panicum virgatum var. virgatum

Switchgrass (Panicum virgatum var. virgatum) is a grass in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 2a–11b. Mature size 4'–10'. Blooms Mar–Aug.

// QUICK FACTS

Family: —
Group: grass
Native range: Native to 47 U.S. states, including AL, AR, AZ, CO, CT, DC…
USDA hardiness: Zones 2a–11b
Mature size: 4'–10'
Sun: Part shade
Water: Medium
Bloom: Mar–Aug
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Switchgrass (Panicum virgatum var. virgatum) — *Panicum virgatum var. virgatum* — Switchgrass. Photo via iNaturalist — (c) aarongunnar, some rights reserved (CC BY), uploaded by aarongunnar.

Field Notes

[ growing · ecology · siting · care ]

Switchgrass (Panicum virgatum var. virgatum) is a grass in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 2a–11b. 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, switchgrass pairs naturally with: Switchgrass (Panicum virgatum), Broadleaf cattail (Typha latifolia), Tapered rosette grass (Dichanthelium acuminatum), Tapered rosette grass (Dichanthelium acuminatum var. acuminatum).