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Onion Squash

Hello, a friend gave my daughter a young plant which she passed on to me.  It has now grown huge, climbing up several canes, and has one yellow squash about the size of a grapefruit, and lots of small  ones.  How do I know when it is ready to harvest, and what do I do with it.  Are the small ones likely to grow as well. Any advice would be appreciated as I can't find any info in my gardening books.  Thanks.

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  • BobTheGardenerBobTheGardener Posts: 11,384

    They will be ready when the skin goes really hard and I suspect will turn from yellow to a more orange colour.  When you cut the ripe ones off, put them on a sunny windowsill for a couple more weeks to ripen them fully.  They should keep growing until the first frost but do harvest them as soon as you hear a frost is due as they won't keep once frosted.  As long as you do that they can keep for months. image

    A trowel in the hand is worth a thousand lost under a bush.
  • Thank you that is helpful .  I will put it on my windowsill to ripen as you suggest . Do I cook it like butternut squash or is it only ornamental? thanks for your advice 

  • BobTheGardenerBobTheGardener Posts: 11,384

    Yes, cook it like a butternut - they are delicious! image

    A trowel in the hand is worth a thousand lost under a bush.
  •   Will do.Thank you. Ellen

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