Cold Rhodies

by Jon Hetman, Director of External Relations & Communications

January 12, 2015

Members' Tour Day Rhododendron

Cold Rhodies

Members' Tour Day RhododendronThe Arboretum’s broadleafed evergreen rhododendrons are months from flowering, but winter visitors have the opportunity to observe a curious trait of rhodies: their leaves droop and curl tightly when temperatures drop below freezing. Read about possible reasons for this unusual thermotropic leaf movement.
Arnoldia 50/1, 1990 [pdf]
— Nancy Rose, Editor of Arnoldia

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