Crop Rotation Group
Brassicas (Cabbage family) ●
Soil
Rich, deep soil, firm with plenty of well rotted compost dug in to provide abundant organic matter.
Position
Full sun.
Frost tolerant
Yes, improves with frost.
Feeding
Mix a high-nitrogen compost into the soil before planting.
Companions
Beet, Buckwheat, Calendula, Carrot, Chamomile, Dill, Marigold, Mint, Nasturtium, Onion, Onions, Rosemary, Sage, Thyme, Potatoes and Agastache.
Spacing
Single Plants: 1' 11" (60cm) each way (minimum)
Rows: 1' 11" (60cm) with 1' 11" (60cm) row gap (minimum)
Sow and Plant
Where summers are cool, start indoors in early spring and set plants out when they have 5 or more leaves. In other areas, start seeds indoors in summer and set out plants 8 weeks before your first fall frost date.
Our Garden Planner can produce a personalized calendar of when to sow, plant and harvest for your area.
Notes
Under the coldest conditions, colonies of gray-green cabbage aphids can seriously infest plants. Control early outbreaks with insecticidal soap.
Harvesting
Harvest from the bottom of the plant upward, twisting off sprouts that are larger than a marble. Removing nearby leaves helps to make room for growing sprouts.
Pests which Affect Brussels Sprouts
Aphid, Cabbage
Aphids (General)
Cabbage Root Maggot
Slug
Snail
Plant Diseases which Affect Brussels Sprouts
Brassica Alternaria Leaf Spot
Brassica Black Rot
Brassica Downy Mildew