Develop over a long season and are best picked after a frost. Pick off lower leaves as sprouts develop. For a prolonged harvest, pick lower sprouts to allow upper sprouts to mature. For a one-time harvest remove top leaves 4 weeks before harvest. TO avoid disease, make sure the plots have been absent of cabbage relatives for at least 3 years. One packet = 750 mg = 150 seeds sows 30 feet. 1 oz. = 5000-9400 seeds. CULTURE: Start transplants 8-10 weeks before last frost; keep temperature 50-70 degrees Fahrenheit for 4-8 weeks. Direct seeds 1/4 inch deep, 4 seeds per foot in rows 24-30 inches apart. Thin plants to 10-18 inches apart. Deep bed spacing 15 inches apart. SEASON: Cool season: set out plants 2-4 weeks before last frost; direct seed 4-6 weeks before last frost. MIN. SOIL TEMP: 40 degree Fahrenheit. GERMINATION: 3-10 days. SOIL: Rich, slightly acid pH 6.0-6.8. COMPANION PLANT: Aromatic herbs, potatoes, celery, beets, onion. NOT strawberries, tomatoes, pole beans. PESTS: BLACK ROT, BACTERIAL BLIGHT: Control through crop rotation, avoid tillage when soil is wet: buy hot water treated soil. FLEA BEETLE: Control with ashes, tillage and pyrethrum. CABBAGE LOOPER: Control with B.t. ROOT FLY?MAGGOT: Use row covers or tarpaper collars to deter flies, use beneficial nematodes OR diotomaceous earth for maggots.