X-Seed Pasture Land Equine Mixture with Micro-Boost Seed, 25-Pound Micro-Boost enhances germination, develops longer more fiberous roots and creates larger seedlings Excellent source of premium quality grass hay for horses 33% Forage Perennial Rye, 4% Meadow Brome, 14% Intermediate Rye, 6% Forage Bluegrass, 18% Timothy, 1% White Clover, 14% Orchardgrass, 10% Gulf Annual Rye Endophyte-Free Covers up to one acre