Squash (Winter) Growing Guide Curcurbito pepo, Cucurbita maxima, Cucurbita moschata Crop Rotation Group Cucurbits (Squash family) ● Soil Well-drained soil enriched with plenty of compost. Position Full sun. Frost tolerant Cannot tolerate frost. Feeding Drench plants with a liquid fertilizer when they begin to blossom and set fruits. Spacing Single Plants: 2' 11" (90cm) each way (minimum) Rows: 2' 11" (90cm) with 2' 11" (90cm) row gap (minimum) Sow and Plant Sow seeds 1 inch deep in late spring or early summer, either in rows or hills. Also may be started from seedlings started indoors or purchased at stores. Our Garden Planner can produce a personalised calendar of when to sow, plant and harvest for your area. Notes Some types grow to be large, long-vined plants, while others grow into compact bushes. Grow at the edge of your garden to save space. Harvesting Harvest winter squash when they plants begin to die back and the rinds cannot easily be pierced with your fingernail. Wipe clean, and store indoors at cool room temperatures. Troubleshooting Squash bugs and squash vine borers can be serious pests. Exclude them from young plantings with row covers. Butternuts naturally resist these pests. Planting and Harvesting Calendar < Back to All Plants Pests which Affect Squash (Winter) Aphids (General) Cucumber Beetle, Spotted Cucumber Beetle, Striped Slug Snail Squash Bug Squash Vine Borer Plant Diseases which Affect Squash (Winter) Cucumber Mosaic Virus Squash Bacterial Wilt Squash Blossom Blight Squash Downy Mildew Squash Powdery Mildew