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Gem squash falls into the category of round fruited summer squashes which need to be harvested while still immature and before the rind has hardened too much. They are not frost tolerant and require temperatures of between 18C to 27C for optimum growth. The frost free growing season in Italy (where I live) is roughly between April and November. Seed can be sown directly into the ground about 2cm deep in soil that is around 15C. For an early start seed can be germinated indoors or in a tunnel. Gem squashes have similar growing requirements to cucumbers and prefer organic liquid feeds high in potassium.

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17y ago

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