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How to keep plants safe in hot temperatures

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Talk of Iowa, hosted by Charity Nebbe

Many of the plants in our gardens thrive in the warmth of the summer, but extreme heat can be deadly.

With temperatures soaring, the heat can alter the course of transpiration and photosynthesis, leaving plants dehydrated and lacking nutrients, which in turn causes their leaves to be hot. On this horticulture day episode of Talk of Iowa, expert Aaron Steil recommends tips for taking care of vulnerable plants during a heatwave. Then Cindy Haynes joins the program to answer your horticulture and gardening questions.


  • Aaron Steil, horticulture specialist, ISU Extension and Outreach
  • Cindy Haynes, horticulture professor, Iowa State University
Talk of Iowa Hort DayHorticultureIowa
Charity Nebbe is the host of IPR's Talk of Iowa
Caitlin Troutman is a talk show producer at Iowa Public Radio