grass · design plant record

Panicum virgatum

Switchgrass

An upright grassy layer with late-season structure. Use a verified cultivar when a particular height or upright habit is essential.

Height at maturity

0.91–2.13 m (3–7 ft)

Spread at maturity

0.61–0.91 m (2–3 ft)

Light

Sun / Part shade

Moisture

Drier soil after establishment / Moist, draining soil / Wet-soil tolerance (check details)

Source-reported USDA zones

5–9 · verify subzone and cultivar

Principal seasonal role

Summer, Autumn, Winter

Fit it to the site

Adaptable to clay and sandy soils, with tolerance of occasional dryness or flooding. Verify the cultivar for the actual site.

NC State flags high flammability. Obtain local fire-landscape advice before using dry standing grasses near buildings in fire-prone areas. Tolerance is not approval for permanent standing water.

Keep the care in the decision

Inspect establishment moisture. Retain or cut stems according to the habitat aim and local conditions. Avoid excessive fertility that encourages a less useful shape.

Origin & safety checks

North America. Check local native range and seed or plant provenance.

Toxicity and food use are not assessed. The design role does not establish safety for children, pets or livestock.

Check current invasive restrictions with your local plant-health or extension authority. For pets, use the exact botanical name in a veterinary toxicity reference; for potential ingestion or exposure, get appropriate professional advice rather than relying on a design guide.