Squash is a vegetable than can come under other categories. Pumpkin, winter squash, summer squash, marrows and butternut squash are all types of Squash. They come in all different colours and sizes. Butternut squashes are longer 'bottle-shaped' fruits which grow on vines. They have a sweet yet nutty flavour. What Squash seeds all have in common is that the growing and sowing for squash is just the same as courgettes. The planting distances vary according to the variety, and whether it is a trailing variety or bush habit. Some squash seeds produce veg that is best eaten fresh, while other have great storage capabilities and can be stored and eaten during the winter months.