
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.
Related mixes
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