Swede Growing Guide Crop Rotation Group Brassicas (Cabbage family) ● Soil Will grow in most good soils. Position Sun or partial shade. Frost tolerant Cold weather can improve flavour and texture. Feeding Not usually required. Companions Onion, Onions, Peas and Chives. Spacing Single Plants: 25cm (9") each way (minimum) Rows: 20cm (7") with 40cm (1' 3") row gap (minimum) Sow and Plant Sow direct into soil late summer to autumn. Our Garden Planner can produce a personalised calendar of when to sow, plant and harvest for your area. Notes Water well in dry periods. Harvesting Harvest when the swede is well developed. In milder areas can be left in the ground, otherwise lift and store them in boxes of sand. Planting and Harvesting Calendar < Back to All Plants Pests which Affect Swede Aphid, Cabbage Aphids (General) Cabbage Moth Cabbage Root Fly Cabbage White Butterfly Diamondback Moth Flea Beetle Slug Snail Plant Diseases which Affect Swede Brassica Alternaria Leaf Spot Brassica Club Root