Harvesting pumpkins

It’s about time to harvest pumpkins again. Our pumpkin vine this year was a volunteer that sprang up in the chook run from the remnants of an old compost heap. It didn’t get any TLC because we half expected the chooks to trample it before it became established. However, it defied the odds and performed magnificently – which only goes to show how good compost is for growing vegetables.
I think it was only watered once but it received plenty of rain during its growing period, and the vine has produced at least 14 JAP pumpkins that we have found so far. JAP pumpkin is closely related to butternut pumpkin, gramma and trombone squash (Cucurbita moschata). These are thinner skinned and don’t keep as long as the Queensland Blue types (C. maxima).
Because we couldn’t spare the water later year, we bought all our pumpkins and some of them weren’t the best because of the drought. Consequently, we were curious to see what we could expect from our volunteer plant and picked one of the pumpkins early. (As you can see in the photo below, the stem is still moist.) Pumpkins picked at this stage do not keep well but we are using this pumpkin immediately, so it doesn’t matter. Now that they are nearly ripe, we will put a broken piece of foam box or thick cardboard under each fruit to keep them drier and clear of the ground, so they are less likely to rot. We will be leaving the rest of the crop until the vine dies off, and the stems become brittle, as that is when they develop their full flavour and store well. If you can’t wait that long, at least wait until the tendril closest to each pumpkin browns off.
Don’t worry about frost on your pumpkins, it will only kill the vines, and it is said that frost toughens the skins so that pumpkins keep longer.
P.S. When the vines had died back a bit, we realised that the vine had produced 28 pumpkins. Not bad for a volunteer vine! There were, of course, more than enough to supply family and friends, and we were able to sell the rest through our local organic greengrocer.

55 thoughts on “Harvesting pumpkins

  1. thank you very much for the information.
    i thought i was so smart allowing my pumpkin vines to grow where ever they wanted to. this year my false lemon hedge has flowered 3 times so far and attracted bees at the correct times rain fall has been plentiful and i have not needed to water at all. lazy.
    crop numbers best ever over 20. worm farms rule. all vege and fruit scraps. now have plenty to share which makes me happy and i like being happy. nature is terrific. so are the worms. i also have a paw paw tree from my worm farms with fruit as large as any in the shop. hope i can beat the bats. loved the reading well done

  2. Why are our pumpkins flesh pale in colour and tasteless.
    Hi Anne, If you used seed that you or a friend saved from their pumpkins, it could be poor quality seed or it has been possibly cross-pollinated with a cattle pumpkin.
    If you used seed that you bought from a nursery, it is probably because you have harvested your pumpkins too early. Did you wait until “the vine dies off, and the stems become brittle, as that is when they develop their full flavour and store well. If you can’t wait that long, at least wait until the tendril closest to each pumpkin browns off”? – Lyn

  3. G’day first time I have had Japs in and out of the 3 pumpkin vines only one pumpkin so far, it’s as big as a basketball, do they grow that big all the time? Regards Peter
    Hi Peter, pumpkins from well-grown vines can get close to basketball size. If your 3 plants only formed one pumpkin between them it sounds as though you had a shortage of female flowers or a shortage of bees to pollinate them.
    Female flowers often form on side shoots. For next year (it’s too late for this crop) if you pinch off the ends of the long runners it usually stimulates the growth of side shoots. If lack of pollinators is your problem, see: Squash family not forming fruit
    This method of hand-pollination suits all members of the squash or cucurbit family. – lyn

  4. great article I’ve been reading gardening books but found no details about harvesting
    have 2 butternuts on vine grown from my saved seed, going well
    but had to hand pollinate due to shortage of bees
    lots of early water but now waiting to collect fruit of my efforts

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