Cabbage (Medium Maturity Red) Growing Guide Brassica oleracea Crop Rotation Group Brassicas (Cabbage family) ● Soil Rich, deep soil, firm with plenty of well rotted compost dug in. Position Full sun. Frost tolerant Yes. Feeding Not required if good soil. Spacing Single Plants: 85cm (2' 9") each way (minimum) Rows: 80cm (2' 7") with 90cm (2' 11") row gap (minimum) Sow and Plant Sow under cover in spring to summer and plant out when ready. Our Garden Planner can produce a personalised calendar of when to sow, plant and harvest for your area. Notes Use fine mesh or exclusion netting over the warmer months to prevent butterflies laying eggs on the underside of leaves - caterpillars can destroy these plants. Harvesting Wait until a few light frosts have passed to harvest, because cool weather enhances the sweet flavour of cabbage. Troubleshooting Heavy rains following dry weather can cause heads to split. Planting and Harvesting Calendar < Back to All Plants Pests which Affect Cabbage (Medium Maturity Red) Aphid, Cabbage Aphids (General) Cabbage Moth Cabbage Root Fly Cabbage White Butterfly Cutworm Diamondback Moth Flea Beetle Slug Snail Plant Diseases which Affect Cabbage (Medium Maturity Red) Brassica Alternaria Leaf Spot Brassica Black Rot Brassica Club Root Brassica Downy Mildew Cabbage Soft Rot