30-50 days. Having a constant supply of fresh greens during the winter keeps your meals nutritionally balanced and delicious. This flavorful blend of kales and mustards will help you do just that! Scattering the seed in open flats indoors every couple of weeks, then transitioning the plants to the outdoors or cloches will provide non-stop harvests of fresh, tender greens from baby green size on up to full size. Contains mustards in a variety of shapes and colors mixed with our Wild Garden Kale Blend.