… 5 50 14 Brome, smooth 7 70 14 Buckwheat 50 500 6 Chickpea 500 500 7 Clover, crimson 10 100 7 Clover, red 5 50 7 Corn, field/popcorn 500 500 7 Cowpea 300 500 8 Fescue, red & creeping red 3 30 21 Fescue, tall 5 50 14 Flax 15 150 7 Indiangrass 7 70 14 Lentil 120 500 10 Milkweed (showy) 16 160 21 Millet, foxtail 5 50 10 Millet, proso 15 150 7 Oats 75 500 7 … 500 500 8 Radish 30 300 6 Rye 75 500 7 Ryegrass 5 50 14 Sideoats 6 60 14 Sorghum 50 500 7 Soybean 500 500 7 Sunflower 100 500 7 Switchgrass 4 40 14 Triticale 100 500 7 Vetch, common 150 500 10 Wheat 100 500 7 Wheatgrass tall/intermediate/pubescent 15 150 21-28 * Our lab performs purity and noxious tests as separate tests. ** Prechill may be required on newly harvested crops or native species, which will extend test time. SDSU Seed Testing Lab … Call 605-688-4589 for crops not listed. … …