4 min
Something Wild: How cold is it? Check the rhododendron! Something Wild
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- Science
A phenomenon called "thermonasty" causes rhododendron leaves to curl up when it’s really cold out. This adaptation allows these broad-leaved evergreens to thrive in the doubly-challenging conditions of damp soil and freezing temperatures.
A phenomenon called "thermonasty" causes rhododendron leaves to curl up when it’s really cold out. This adaptation allows these broad-leaved evergreens to thrive in the doubly-challenging conditions of damp soil and freezing temperatures.
4 min