About Stonehead Cabbage: Cabbage is considered one of the oldest cultivated vegetables, since historians trace it back to 4,000 BC in China. The Romans also cultivated it and praised it for its healing qualities; philosphers Pythagorus and Cato both made the lowly cabbage the subject of a book. Jacques Cartier brought the first cabbage to America in 1536. Cabbages were quite popular in colonial America, being pickled and preserved in every possible way to provide food for the winter. Stonehead received an AAS Award in 1969.
Stonehead Cabbage Germination: Start your seeds inside 8-12 weeks before the last spring frost, planting them in rich soil 1/2 inch deep and 2 inches apart. Because the first crop of cabbage should mature before the heat of summer, plant your seedlings about 4 weeks before the last expected frost; set them 12-18" apart in rows 3-4' apart, burying the stems about halfway up. For a fall crop, direct sow or transplant seedlings in midsummer. For companion planting benefits, plant cabbage with aromatic herbs or potatoes; avoid planting them with tomatoes or pole beans. Herbs such as thyme, peppermint, sage, and rosemary will repel the destructive white cabbage moth.
Growing Stonehead Cabbage Seeds: If hard frosts come, cover the young plants. Mulch around them to regulate soil temperature, and keep the soil moisture even to prevent the cabbages from splitting.
Harvesting Stonehead Cabbage: Harvest the cabbages as soon as feel firm and reach a good size. Small cabbages tend to be more tender, while large cabbages from fall growth keep well over the winter. Stonehead cabbages are quite resistant to splitting, so the harvest can be put off if necessary.
Saving Stonehead Cabbage Seeds: Because this variety of cabbage is a hybrid, the seed it produces will either be sterile or will revert to the characteristics to one of the parent seeds; reproducing this type from its own seed will not be successful.
Detailed Stonehead Cabbage Info: Brassica oleracea var. capitata. Biennial. 67 days. 7000 seeds per oz. 12-18" height. 24-30" spacing. Produces round 4-6 lb. heads.