Future Heirlooms Seed Bank › Cereal, Rye - Bulk Image 1 of 1 Cereal, Rye - Bulk CA$5.00 This is a generic cereal rye great for cover cropping and biomass production.5oz - good for 100sqft cover crop Quantity: Add To Cart Added! This is a generic cereal rye great for cover cropping and biomass production.5oz - good for 100sqft cover crop