Temperature Ranges For Tomato Plants (Coldest & Hottest)

When growing tomatoes, it helps to know the various temperature ranges for healthy plant growth.

If it is too cold, it may damage the tomato plant or its fruit.

If it is too hot, plant growth will slow down, and fruit will not set or form properly.

The illustration below gives a good idea of the key temperature ranges for tomato plants. (To download the file, click the download button below!)

Thermometer Infographic Temperature Ranges for Tomato Plants
This thermometer illustration gives a visual of the temperature ranges for tomato plants – both the coldest and hottest they can tolerate.

If cold weather is the problem, check out my article on protecting tomato plants from cold and frost. Enjoy!