VERY Heat Torerant Tomatos???

poohbearlvr(S.Fla ,Z10)February 8, 2014

Do any 'HOT tolerant' tomato varieties exist? Not just 'heat tolerant', But HOT tolerant ones? Ones that would grow in the south Florida heat and humidity? In the spring/summer and actually get tomatoes,? Not 'Matts Wild Cherry' or the 'Everglades' ones.

I mean a tomato that is actually big enough to slice and eat. Like a small beefsteak type?

I have grown just about every odd heirloom I can find and nothing produces more than 1 tomato before the heat gets to the plant, and it dies, or a hornworm turns up in the night and its totally gone by morning!

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carolyn137(z4/5 NY)

Have you read the thread I linked to at the bottom of this post, which is still here on the first page?

There are many suggestions and links to information about heat tolerant varieties, there are no heat resistant varieties.

I have many tomato friends who grow tomatoes in South FL, and that includes Linda Sapp wh owns Tomato Growers Supply in Fort Myers, and there are many others that don't have problems b'c they get their plants out early enough so that they set fruits before the high heat and humidity starts.

Linda suggests growing late and midseason varieties for Spring planting, sowing seeds around Xmas time then setting out by about early to mid Feb,weather
permitting and then growing early and mid season ones for a Fall crop.

Since I've received fresh fruits shipped up to me from Fall crops from S FL friends, I know it works, No sense in then shipping stuff up to me from their Spring crops, b.c it isn't long until I'll have earlies and mid season ones here in upstate NY,

But please do read the link below b/c as I said , lots of suggestions and links to read that are directly relevant to what you are now asking,


Here is a link that might be useful: Heat Tolerant varieties

    Bookmark   February 8, 2014 at 8:35PM
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digdirt2(6b-7a No.Cent. AR HZ8 Sun-35)

Super heat tolerant?

Not that I am aware of. The issue is one of viable pollen. During high heat and/high humidity periods the pollen becomes tacky and non-viable so the plant can't set fruit. Blooms die and fall.

The solution is to alter the growing conditions. Planting earlier - even if it means protecting the plants as needed - so fruit set happens before the worst of the heat is the most common method and a common practice in the deep south. Florida is fortunate to have two growing seasons but unfortunately neither one is US summer.

Other methods include erecting shade barriers, heavy mulching to keep roots cool, hand or manual pollination when possible, etc. Have a night when the temps are below 75 then get out there and rattle those cages. :)

You might check with the folks over on the Florida Gardening forum here for tips on planting dates and variety recommendations.


Here is a link that might be useful: Blossom Drop FAQ

This post was edited by digdirt on Sat, Feb 8, 14 at 20:41

    Bookmark   February 8, 2014 at 8:40PM
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