Mammoth Red Rock Cabbage Seeds

400 open-pollinated, non-gmo, and pesticide free heirloom Mammoth Red Rock Cabbage Seed (Brassica oleracea)per packet. Hardy crop that becomes mildly sweet with colder temperatures. Heads grow to 8-10 inches and matures in 90 days. Great in salads, stir fries, soup, slaws, and sauerkraut. Grows in zones 3-12. Direct sow in midsummer for fall harvests. Sow 0.5 in deep. Germination takes 5-10 days. For spring planting, start indoors 8-12 weeks before first frost. Transplant outdoors 4 weeks before last frost. Plant in full sun to partial shade. Keep soil evenly moist but avoid overwatering. Cover with mulch in case of hard frost or excess rain. Plant with aromatic herbs. Matures in 90 days.