I decided to take your burning question to my friend Cynthia Gleason. She’s a plant scientist at Washington State University and knows a lot about plant defense.
Plants actually make their own kind of sun block, she said. It helps protect them from the sun’s intense ultraviolet rays.
Read all of this answer from Dr. Universe at https://askdruniverse.wsu.edu/2016/07/25/dont-plants-get-sunburns/.
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