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 Field Pea and Oat Mix $48.00 Daikon Tillage Radish from $24.50 Spring Barley $25.00 Medium Red Clover from $56.00 Slender Wheatgrass $16.80