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![]() Vegetable (Cool Season) - Cabbage Family Brassica oleracea var. capitata Brassicaceae Family This cool-season crop grows best when daytime temperatures are in the 60s F. Direct-seed or transplant spring crops for fresh use in summer. Plant fall crops for winter storage or sauerkraut. How to plant:
Maintenance and care: Sow seeds indoors 6 to 8 weeks before average last spring frost. Keep soil warm (about 75 F) until germination. Then keep plants around 60 F. Provide direct sun so plants don’t get leggy. When plants are 4 to 6 weeks old, transplants into garden 12 to 24 inches apart, in rows 18 to 34 inches apart. Use closer spacings for smaller, early varieties, wider spacings for larger, late-season varieties.Can be direct seeded as soon as you can work the soil. Will germinate at soil temps as low as 40 F. Plant ½ to ¾ inch deep, about 3 inches apart. Thin to final spacings. Direct seed in summer for fall crop, or start transplants in late May and transplant in late June or early July. Plants have shallow root systems. Avoid even shallow cultivation. Mulch to protect roots, reduce weed competition and conserve moisture. Use floating row cover to protect crop from early pests. When heads are mature, they are prone to splitting in response to any stress or a rain following a dry period. Avoid splitting by choosing varieties that resist splitting, spacing plants close together (8 to 12 inches for early varieties, 12 to 16 inches for later varieties), using shovel to sever roots on one side about 6 inches from the plant, or twisting plants after heads have firmed to break some of the roots. To help reduce disease, do not plant cabbage or other cole crops in the same location more than once every three or four years. Pests: Cabbage aphids - A hard stream of water can be used to remove aphids from plants. Wash off with water occasionally as needed early in the day. Check for evidence of natural enemies such as gray-brown or bloated parasitized aphids and the presence of alligator-like larvae of lady beetles and lacewings.Cabbage root maggot - White maggot larvae tunnel in and feed on roots of plants. Damage causes wilting early on, death of plants later on. Cabbageworms - Handpick and destroy. Row covers may be useful on small plantings to help protect plants from early damage. Put in place at planting and remove before temperatures get too hot in midsummer. Flea Beetles - Use row covers to help protect plants from early damage. Put in place at planting and remove before temperatures get too hot in midsummer. Control weeds. Cutworms - Control weeds. Cardboard collars around each plant give good protection. Other pests: Cabbage loopers Slugs Nematodes Diseases: Clubroot - Locate new plants in part of garden different from previous year's location. If soil infested, add lime to raise soil pH to 7.2Purple blotch (Alternaria porri ) - Avoid wetting foliage if possible. Water early in the day so aboveground plant parts dry as quickly as possible. Avoid crowding plants, allowing air circulation. Eliminate weeds around plants and garden area to increase air circulation. Practice plant sanitation. When plants are not wet, remove and destroy affected plant parts. In autumn rake and destroy all fallen or diseased leaves and fruit. Other diseases: Cabbage yellows Black rot Black leg Varieties Browse cabbage varieties at our Vegetable Varieties for Gardeners website.Plant early, midseason and late varieties to spread out harvest. Early varieties tend not to store well. Late varieties tend to be better for storage or for making sauerkraut. Some varieties are resistant to certain diseases and insects. Varieties may vary in head size, shape (round, flat, conical) and colors (green, red or purple). Savoy cabbage has wrinkled leaves, and is sometimes classed in a different group, Brassica oleracea var. sabuada. Savoy varieties are prized for their flavor as well as their good looks. Varieties recommended for New York include: Early: Jersey Wakefield Heads Up Pacifica Tastie Midseason: Chieftain Savoy Lennox Market Prize Ruby Perfection Savoy Ace Savoy King Late: Huron Excerpt from Cornell University Growing Guide
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