When temperatures warm into the upper 90s in degrees Fahrenheit, gardeners start to notice that their vegetables may not be producing as well as they would like. It is not unusual for tomatoes to stop setting fruit and seem to be slow to ripen. They may also notice that there are very few new cucumbers or green beans. So what is happening?
Most fruiting vegetables, such as melons, tomatoes and peppers, grow best at temperatures in the upper 70s to mid 80s in degrees Fahrenheit. Flower production and fertilization are particularly sensitive, especially to warmer nighttime temperatures.
Let's take a look at some of the most-common heat problems that might appear in your garden during these conditions.
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