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Growing pumpkins

Jack be Little pumpkin
A 'Jack be Little' pumpkin

I really don't know why we've grown pumpkins. I'll admit straight out that I don't like pumpkins. Never have. I refused to eat pumpkin soup at my own wedding. So why have I grown them (other than the seeds were free from the Digger's Club)?

We once grew Butternut pumpkins (using the plural form "pumpkins" loosely as we only harvested one pumpkin). The plant kept growing runners at a slightly slower speed compared to the encroaching powdery mildew. Eventually the powdery mildew won and the plant only got around to producing one lovely butternut pumpkin. I can't remember now how it was used in cooking, but the vague memories I have are f(l)avourable.

Again we worked on the assumption that we're more inclined to eat our own produce so we grew pumpkins again. This time it was the variety "Jack be Little". These pumpkins, as their name implies, mature as miniature versions. They're small enough for a single person to eat as part of dinner. We had some pretty good success. But we haven't grown pumpkins in the last two years.

Growing conditions

  • Pumpkins grow in the warmer months of the year. From an Australian perspective I guess most pumpkins are harvested in the American fall for Halloween. Of course we harvest them anywhere from February to April.

  • Pumpkins will grow in full sun or partial shade.

  • They love an organically rich free draining soil mixed with manures and compost.

  • In a 4 bed rotation system pumpkins are grown with summer vegies like sweet corn, cucumbers, zucchini and melons. Try to grow your corn in the same bed as pumpkins. They love each other and grow strongly together as companions.

Garden care

  • It's usually easiest to directly sow your seed where you want your pumpkins to grow. Create a foot wide mound of soil about an inch taller than the surrounding soil. Plant 3 or 4 pumpkin seeds as deep as your first knuckle.

  • It'll break your heart but it's important to thin the seedlings down to 1 or 2 plants.

  • Pumpkins are very susceptible to hot days. Make sure you keep the water up to them on warmer days, otherwise you'll see the pumpkin leaves wilting in the sun.

  • Feed them fortnightly with a potash and liquid manure drink.

  • It's common when there aren't many bees around for the female flowers to not form fruit. The bulge behind the flower turns brown and the "mini-pumpkin" drops off. If this happens you might need to hand pollinate the flowers yourself. Using a cotton tip get the pollen from the male flower (no bulge behind the petals) and spread it over the female "crown" inside the flower. This should increase your chances of harvesting pumpkins.

  • The main disease problem with pumpkins is powdery mildew on the leaves (which eventually kills the plant). Avoid watering overhead in the afternoon. Spray with an organic wettable sulphur spray. This tends to stop the problem spreading.

Harvest time

  • In around 3 to 4 months you can start harvesting your pumpkins.

  • Using a knife or scissors cut the pumpkin from the vine. Make sure you leave a good 4 to 5 inches (10-15cms) of vine connected to the pumpkin. This minimises deterioration to the pumpkin during storage. Pumpkins can easily be kept in a cool dry place for 6 months.

  • Harvest pumpkins before your first frost (if you get any).

 

Last Updated 17 November, 2008

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