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Zucchini and High Temperatures/Sun
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Author:  Mike7273 [ Wed Jun 27, 2018 8:18 am ]
Post subject:  Zucchini and High Temperatures/Sun

My garden gets full sun all day. This hi 90's/100 degree heat is killing them. Would some type of covering or umbrella for that late afternoon/evening sun exposure help? Or is there something else I can do? I'm full organic. They have been fed properly and watered regularly.

Author:  northwesterner [ Wed Jun 27, 2018 10:15 am ]
Post subject:  Re: Zucchini and High Temperatures/Sun

I tend to let a few of the wild sunflowers grow large around the edges of my garden to offer a little shade, and if I plant the okra nearby it will do the same (but it doesn't grow as fast as sunflowers).

I don't have zucchini the whole summer for the simple reason that it is always an uphill battle with the squash vine borers. I sometimes lose them in a fell swoop, though this year I'm going out every week with a syringe and a 50/50 mix of Bt and water and injecting it into the stems, either above the granular area where the borers are at work, or directly up the stem at the borers, hoping to knock them out. Fingers crossed I get more of a crop this year.

Zucchini look awful in the middle of a hot day, but as long as they're watered adequately they spring back with the cooler times of day and overnight.

Author:  Mike7273 [ Wed Jun 27, 2018 10:19 am ]
Post subject:  Re: Zucchini and High Temperatures/Sun

I've had squash bugs the 2 previous years, but mine are clean this year.

Author:  silvanis_elze [ Mon Feb 03, 2020 9:55 pm ]
Post subject:  Re: Zucchini and High Temperatures/Sun

Mike7273 wrote:
My garden gets full sun all day. This hi 90's/100 degree heat is killing them. Would some type of covering or umbrella for that late afternoon/evening sun exposure help? Or is there something else I can do? I'm full organic. They have been fed properly and watered regularly.


I would recommend you grow them under a black net so cut off the sun's scorching heat. Another trick I learned in college - never water in the hot sun, plants do all their growing after dark. You know, mother nature waters in the evening and after dark.

As for me, I grow my zucchinis in pots so that I can move the pots to a more shady area when the heat is too intense outdoors.

- Elize

Author:  northwesterner [ Thu Feb 13, 2020 1:23 pm ]
Post subject:  Re: Zucchini and High Temperatures/Sun

Have you tried floating row cover? You might suspend it a bit above the zuke's on posts? It will reduce the amount of sun enough that you might avoid the scorching. And you can remove or cover as needed. Clamp it in place so it doesn't blow off on a windy day.

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