Quick answer: Switchgrass (Panicum virgatum) is native to 24 states. What's commonly sold under this name is often a bred variety or the wrong species — see the lookalike alert below. It's typically seed, verified 16 Sep 2026.
Where it's native
Listed in the register as native to these states. Click a state for its full native-plant guide.
Growing conditions
From the Lady Bird Johnson Wildflower Center Native Plant Database.
| Sun | Sun, Part Shade |
|---|---|
| Water | Medium water, Dry-Moist |
| Soil | Sandy, sandy loam, medium loam, clay loam, clay, limestone-based soils |
| Bloom | Bloom Aug-Nov |
| Height | Up to 10 ft, often shorter |
| Wildlife value | Seeds eaten by songbirds and gamebirds, cover and nesting material, larval host for Delaware Skipper, high deer resistance |
Lookalike alert
Wild-form packet exists (CT/OH/PA); TX hit is cultivar 'Sunburst'.
Sold as: Seed via Amazon · listing verified 16 Sep 2026
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