Growing Pumpkin

Cucurbita sp. : Cucurbitaceae / the gourd family

Jan F M A M J J A S O N Dec
                  P P P

(Best months for growing Pumpkin in New Zealand - cool/mountain regions)

  • P = Sow seed
  • Easy to grow. Sow in garden. Sow seed at a depth approximately three times the diameter of the seed. Best planted at soil temperatures between 68°F and 90°F. (Show °C/cm)
  • Space plants: 35 - 47 inches apart
  • Harvest in 15-20 weeks.
  • Compatible with (can grow beside): Sweet Corn
  • Avoid growing close to: Potatoes

Your comments and tips

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31 Aug 11, Graham (New Zealand - temperate climate)
The name you want is Triamble. A grey pumpkin with deep grooves between usually three segments
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25 Sep 10, len freeman (New Zealand - sub-tropical climate)
what causes the hard white growth in the ripe pumpkin
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05 Jan 09, Liz (New Zealand - temperate climate)
Brett, Are you using bought seeds or saving seeds from pumpkins? If you have bought seeds, it might be worth contacting the supplier and telling them about your problem. Otherwise, if you saved seeds, see the answer to Jean's query.
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05 Jan 09, David (New Zealand - temperate climate)
Ray, your pumpkins are falling off early because they are not fertilised. You may need to go around with a paintbrush and transfer pollen from the male flowers to the female. Check the comment from Jaci to identify which is which.
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05 Jan 09, Liz (New Zealand - temperate climate)
Jean, you may be lucky. If you had an organic pumpkin it will probably produce both male and female flowers but if it was a F1 hybrid then its seeds will produce sterile plants. Check the flowers for possible female ones (see comment from Jaci above).
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Showing 81 - 85 of 85 comments
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Geraldine, each pumpkin plant should produce both male and female flowers. The earliest flowers that emerge will be male and all up there will be more of them produced in total than female. You may or may not have to encourage pollination. If you have bees hanging around they'll do it for you. Consider making your vegie patch more enticing to bees by companion planting some bright flowers (like calendula, nasturtiums, french marigolds, sunflowers, etc) to attract them. Anyway, the way to tell the difference between male and female flowers (in case you didn't already know) is that female flowers will generally have a bulbous base near the stalk, below the flower. Also, since they take up a lot of room, have you considered training the pumpkin vine along a fence or up the side of a garden shed? A workmate of mine had them fruiting up on his shed roof last summer.

- Jaci

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This planting guide is a general reference intended for home gardeners. We recommend that you take into account your local conditions in making planting decisions. GardenGrow is not a farming or commercial advisory service. For specific advice, please contact your local plant suppliers, gardening groups, or agricultural department. The information on this site is presented in good faith, but we take no responsibility as to the accuracy of the information provided.
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