Squash Growing Guide Crop Rotation Group Cucurbits (Squash family) ● Soil Soil enriched with plenty of compost. Position Sunny. Frost tolerant No. Feeding Fortnightly liquid feed from summer. Companions Borage, Lovage, Marjoram, Nasturtium, Peas, Beans, Sunflower, Sweetcorn, Tansy and Lemon Balm. Spacing Single Plants: 60cm (1' 11") each way (minimum) Rows: 60cm (1' 11") with 60cm (1' 11") row gap (minimum) Sow and Plant Sow under cover in pots in late winter or early spring. Plant out after last frosts. Our Garden Planner can produce a personalised calendar of when to sow, plant and harvest for your area. Notes One or two plants is plenty - they will usually produce several squash over a season. Harvesting Harvest regularly when the squash are not too large; this encourages more to grow. Planting and Harvesting Calendar < Back to All Plants Pests which Affect Squash Aphids (General) Slug Snail Plant Diseases which Affect Squash Cucumber Mosaic Virus Squash Downy Mildew Squash Powdery Mildew