How Much Heat Can Tomato Plants Tolerate?

Tomato plants can grow in very warm temperatures, as long as they are well-irrigated. However, the plants will drop their blossoms--and not produce fruit--if daytime temperatures go above 90 degrees Fahrenheit and nighttime temperatures go above 76 degrees Fahrenheit, according to the Ohio State University Extension.

Keywords: growing tomatoes, temperatures for tomatoes, hot-weather gardening

About this Author

Aileen Clarkson has been an award-winning editor and reporter for more than 20 years, earning three awards from the Society of Professional Journalists. She has worked for several newspapers, including "The Washington Post" and "The Charlotte Observer." Clarkson earned a Bachelor of Arts in journalism from the University of Florida.