This is rye grain (Secale cereale) - not Ryegrass (Lolium). It is not for over-seeding lawns. Open-pollinated. Annual. Heirloom. Non-GMO Organic winter rye cover crop is one of the most diverse and efficient performers in any garden. Heirloom winter rye seed is most popularly grown for its ability to replenish poor soils with vital nitrogen, while growing roots know to breakup heavy, compact, and clay-heavy soils. Open-pollinated winter rye can also be tilled back into the soil for natural "green manure" garden mulch, or harvest in the fall for traditional rolled, milled, or steel-cut heirloom rye berries