Why Do Rhododendron Leaves Curl When it Is Cold?
The reason that rhododendron leaves curl in the cold isn't completely understood, though it likely is a protective mechanism preventing damage to cellular membranes during winter's freeze and thaw cycles.
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Sophie Johnson is a freelance writer and editor of both print and film media. A freelancer for more than 20 years, Johnson has had the opportunity to cover topics ranging from construction to music to celebrity interviews.