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Growing Marrow

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

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

S = Plant undercover in seed trays. T = Plant out (transplant) seedlings.

October: After risk of frost

  • Grow in seed trays, and plant out in 4-6 weeks. Sow seed at a depth approximately three times the diameter of the seed. Best planted at soil temperatures between 68°F and 95°F. (Show °C/cm)
  • Space plants: 35 - 47 inches apart
  • Harvest in 12-17 weeks.
  • Compatible with (can grow in same bed): Peas, Beans, Onions, Sweetcorn
  • Avoid growing in same bed: Potatoes
  • Young marrow
    Young marrow

This is a large, well grown version of zucchini/courgette. Skin maybe light yellow or white. Grow on raised mounds of earth/compost. Mulch to retain moisture and reduce weed growth.

Powdery mildew can be a problem especially in humid weather.

Culinary hints - cooking and eating Marrow

Good, cut in thick slices, seeds removed and stuffed with mince or spicy vegetable mix then baked in the oven

Your comments and tips

09 Feb 10, Liz (New Zealand - temperate climate)
Mel, harvest will take about 12 - 16 weeks from seed sowing

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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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