35-45 Days to maturity. Brassica juncea. Farmer's Favorite Mustard Cover Crop Mix Seeds. Non-GMO, Open Pollinated, Annual. This is a blend of several mustards that work well together to provide excellent overall benefits as a cover crop. Farmer's Favorite is an all-in-one mustard blend featuring beautiful multicolored leaves with variable leaf shapes and bright flowers. This fast-growing blend provides great field coverage (80-88%) and weed control. The prolonged flowering time provides early spring pollinator feed and performs well in different soil types and conditions. Seeding rate: ~8 Oz per 1000 sq. ft., or ~22 lbs per acre. Approx 12,500 Seeds / Oz.