Natural Grown offers a broad range of complex cover crop mixtures, including its own NG WINTERMIX as well as various TerraLife mixtures for different cropping objectives. Complex mixtures combine multiple plant species and root types to support nutrient availability, soil biology, soil structure and organic matter build-up. NG WINTERMIX is a winter-hardy and cold-tolerant mixture that can be sown late in the season. The combination of legumes and cereals provides strong rooting and good winter soil coverage.