Asked by: Sian Fink
asked in category: General Last Updated: 5th June, 2020

Can tomato plants survive 40 degree weather?

Although mature plants might survive light frosts, temperatures below 40 degrees Fahrenheit damage flower and fruit production, making tomatoes perennial only in U.S. Department of Agriculture zones 12 and up. They flower and set fruit best when the air and soil temperatures range between 60 and 70 degrees.

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Accordingly, what temperature can tomato plants survive?

Although tomato plants can survive temperatures down to 33 degrees Fahrenheit, they show problems when temperatures drop below 50 degrees F, according to the U.S. Department of Agriculture Research Service.

Likewise, can plants survive 40 degree weather? You can plant these hardy annuals when there are 40 degree temperatures as long as your plants are not brand-new seedlings. The plants may survive in areas with mild winters and die back in the spring. Edible, cool-season vegetables.

In this regard, is 45 degrees too cold for tomato plants?

Tomato plants at any age or stage do not tolerate frost. You can generally move young seedlings outdoors when the temperature rises about 45 degrees Fahrenheit. A temperature of 46 F would be warm enough for tomato seedlings.

Will 40 degrees kill tomato plants?

Hardly Hardy. Although mature plants might survive light frosts, temperatures below 40 degrees Fahrenheit damage flower and fruit production, making tomatoes perennial only in U.S. Department of Agriculture zones 12 and up. Above 95 degrees, flowers abort.

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