Dense stand of switchgrass (Panicum virgatum) in autumn — CRP and bioenergy planting
Switchgrass

Switchgrass — Cave-in-Rock

The workhorse tall switchgrass cultivar for the Midwest.

Cave-in-Rock is the most widely planted switchgrass in the Midwest. Tall, upright, cold-hardy, and productive — a solid pick for CRP grass component, biomass, filter strips, and winter cover.

At a glance

Seeding rate
5–8 lbs PLS/acre
Coverage / sizes
Sold by the pound and by the acre
When to plant
Late spring drilling once soil is 55°F+; dormant seed also works.
Site fit
USDA zones 4b–7; well-drained to moist soils.

Highlights

  • Widely adapted across the Midwest
  • Excellent winter cover for pheasants and deer
  • Common CRP grass component
  • Reliable biomass and filter-strip performer

Common use cases

  • Filter strips and buffer plantings
  • CRP grass component
  • Winter cover and biomass

FAQ

How deep should switchgrass be planted?

1/8 to 1/4 inch — no deeper. A native drill or Brillion seeder is ideal.

Ready to order or need a custom blend?

Tell us your acres, county, and CRP practice — we'll put together a quote tuned to your seeding sheet.

Request a quote for Switchgrass — Cave-in-Rock