Brussels sprouts are a cool season vegetable that can be planted in spring and fall. For more information about growing Brussels sprouts, click here.
VARIETIES: Long Island Improved, Prince Marvel and Jade Cross have excellent production, eating quality and storage potential.
Before planting, incorporate organic matter and all-purpose fertilizer. For more information on soil preparation, click here.
- Brussels sprouts can be grown from seed or transplants.
- Seeds should be planted ¼-1 inch apart, in rows 1-3 feet apart. Thin plants to 12 inches apart when they have 3-4 true leaves.
- Transplants may be planted 2-3 weeks before the last frost-free date. Start seeds indoors 5-6 weeks before planting. For more information on frost dates, click here.
- Planting for fall harvest should occur in June and July.
Irrigation: Brussels sprouts prefer deep, infrequent watering, about 1-2 inches per week. For more information on watering, click here.
Fertilization: Apply a nitrogen-based fertilizer at 4 and 8 weeks after transplanting and/or thinning. Avoid fertilization during sprout formation as this may cause loose, soft sprouts and splitting. For more information on fertilizing, click here.
Harvest: Brussels sprouts should be harvested when they reach 1 inch in diameter.
COMMON PESTS AND DISEASES: Aphids, cabbage worms, loopers and flea beetles are common pests of brussels sprouts. Look out for alternaria leaf spot and tipburn. For more information on controlling pests and diseases, click here.