Tomatoes, cucumbers, peppers, eggplant, carrots, lettuce, and herbs all do well in the heat. However over 90 degrees Farenheit might be too much heat for them
Too hot soil will kill the roots of your plants, making them susceptible to disease. The best way to gauge your soil’s temperature is with a digital thermometer. However, you can also use your hand as a gauge to determine whether or not your soil is too hot.