Farm Seed Cave-In-Rock Switchgrass PreviousSideOats Grama NextCanada Wildrye Cave-In-Rock Switchgrass Cave-In-Rock Switchgrass $19.60 A tall, cross-pollinated, warm-season perennial grass that has great value in conservation settings. Sold in Pure Live Seed pounds. Quantity: Add To Cart Facebook0 Twitter Pinterest0 You Might Also Like Purple Prairie Clover $95.00 Clearfield Sunflower $360.00 Birdsfoot Trefoil from $40.25 Green Grazer V Sorghum x Sudan from $33.00 Peredovik Sunflower from $23.50