Pumpkin Growing Guide Crop Rotation Group Cucurbits (Squash family) ● Soil Rich soil with plenty of compost added. Position Sunny sheltered site. Frost tolerant No. Feeding Fortnightly liquid feed from mid summer onwards. Companions Borage, Lovage, Marjoram, Nasturtium, Peas, Beans, Sunflower, Sweetcorn, Tansy and Lemon Balm. Spacing Single Plants: 90cm (2' 11") each way (minimum) Rows: 90cm (2' 11") with 90cm (2' 11") row gap (minimum) Sow and Plant Sow under cover in pots in late winter or early spring. Transfer to larger pots if necessary. Plant out in spring when no danger of frost. Our Garden Planner can produce a personalised calendar of when to sow, plant and harvest for your area. Notes Towards the end of the summer raise the pumpkin off the ground by putting a piece of wood or similar under them to prevent rotting. Water roots generously in dry weather. Harvesting When the plant starts to die cut off the pumpkin leaving part of the stalk attached. Allow the skin to harden in the sun for a few days if wanting to store them in a frost-free place. Planting and Harvesting Calendar < Back to All Plants Pests which Affect Pumpkin Aphids (General) Slug Snail Plant Diseases which Affect Pumpkin Cucumber Mosaic Virus Squash Downy Mildew Squash Powdery Mildew