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Growing Zucchini, also Courgette/Marrow, Summer squash

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

(Best months for growing Zucchini in USA - Zone 5a regions)

S = Plant undercover in seed trays P = Sow seed

  • 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 70°F and 95°F. (Show °C/cm)
  • Space plants: 20 - 35 inches apart
  • Harvest in 6-9 weeks. Cut the fruit often to keep producing.
  • Compatible with (can grow beside): Corn, beans, nasturtiums, parsley, Silverbeet, Tomatoes
  • Avoid growing close to: Potatoes

Your comments and tips

06 Nov 18, [email protected] (Australia - tropical climate)
Do l need to plant 2 zucchini seedlings for them to produce fruit? Thanks Judi
08 Nov 18, Mike (Australia - sub-tropical climate)
The plant will have male and female flowers. If no bees in your area hand pollinate in the morning. Look up the internet how to do it.
27 Oct 18, (New Zealand - cool/mountain climate)
When planting seeds, which end of the seed should be facing the surface?
27 Oct 18, Cesare Stella (New Zealand - cool/mountain climate)
I never bothered, I just lay them down
17 Oct 18, Gill (New Zealand - cool/mountain climate)
I have sown 2 sorts of courgette. The older seed (Italian) germinated as normal. The new seed purchased this spring has done nothing (the common yellow). At this stage seed pots are indoors
23 Oct 18, Mike (New Zealand - temperate climate)
Check to see if the seeds have rotted or not. Maybe they need a little sunlight to germinate.
19 Sep 18, Bess (New Zealand - temperate climate)
Is it advisable to pinch out the growing tips to stop the plants from getting too big? Thanks!
20 Sep 18, Mike (Australia - sub-tropical climate)
NO!!! The longer it grows the more zeeks you pick.
12 Oct 18, Mike (Australia - sub-tropical climate)
I have plants that are 5-6' long and still bearing zeeks. i want to pull them out but a fellow at the men's shed keeps hand pollinating them and they keep producing fruit. They are 5.5 months old.
10 Jul 18, Teri (USA - Zone 6a climate)
Should I cut back to make flowers to make females produce more?
Showing 11 - 20 of 288 comments

Zuchinni, pumpkin, rockmelon and such are now just starting. Early fruiting generally does not get pollinated as well as it does in a week or two's time. From your description your female fruit buds are not pollinated and then they rot and get infested with fruit fly larvae or similar. Try hand pollinating your female buds with a male bud at this stage in the season and this will secure fruit production. Strip the male buds covers and wiggle around the inside of a female bud, that will ensure pollination. Use your finger in soil if it comes out with material on it don't water, if not, water well once every 3 days. Regards Matt

- Matt

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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. Gardenate 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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