When to cover tomato plants at night

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As weather cools, should you take steps to protect tomatoes on the vine or should you pick them?

The question applies not just as fall approaches, but even during a cold snap or when the temperature is forecast to dip overnight.

One fact is certain: tomatoes do NOT like to be cold.

How to cover tomatoes for frost

But tomato plants can survive a cold snap or even a series of cool nights. When the soil temperatures surpass 60ºF during the day, then tomato roots will retain much of that heat even during an evening cool-down, especially when plants are mulched.

However, tomato plant survival and tomato plant growth are two different matters. Whether or not tomatoes thrive through cold depends not just on tem

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