Cabbage (Spring) Growing Guide Brassica oleracea Crop Rotation Group Brassicas (Cabbage family) ● Soil Rich, deep soil, firm with plenty of well rotted compost dug in prior to planting. Position Full sun. Frost tolerant Should tolerate moderate frost. Feeding Drench every two weeks with an organic liquid fertilizer. Spacing Single Plants: 2' 5" (75cm) each way (minimum) Rows: 1' 11" (60cm) with 2' 11" (90cm) row gap (minimum) Sow and Plant Sow late summer to move to final positions in fall to be over-wintered and ready for spring. Our Garden Planner can produce a personalised calendar of when to sow, plant and harvest for your area. Notes Try growing different varieties from seed to explore differences in leaf color and type. Most early-maturing cabbage varieties produce smallish heads. Harvesting Cut heads when they reach the size you prefer. Small secondary heads often grow from the base of early cabbage plants after the primary head is cut. Troubleshooting Watch for green imported cabbageworms, the larvae of the cabbage white butterfly. Exclude the adults with row covers. Planting and Harvesting Calendar < Back to All Plants Pests which Affect Cabbage (Spring) Aphid, Cabbage Aphids (General) Cabbage Root Maggot Cabbage Worm Cutworm Diamondback Moth Flea Beetle Grasshopper Harlequin Bug Slug Snail Plant Diseases which Affect Cabbage (Spring) Brassica Alternaria Leaf Spot Brassica Black Rot Brassica Downy Mildew Cabbage Soft Rot