How High Day And Nighttime Temperatures Affect Tomatoes
By Jannie Vaught Using the tomato due to its popularity and my personal keystone plant to evaluate the garden’s condition. Will extreme heat kill my tomatoes? Maybe not. Will heat especially nighttime temperature affect fruit set? Yes. Heat consistently above 90 and nights above 70 will greatly reduce the plant’s ability to flower and pollinate. There is a critical time when the first tomato flowers … Continue reading How High Day And Nighttime Temperatures Affect Tomatoes

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