Winter Injury on Woody Rhododendrons

Resources:  winter injury on woody ornamentals, especially rhododendrons.


Winter Injury

The most common wintery injury on rhododendron is excessive drying.  As you  can see in this photo, tip and marginal browning, rolling of the leaves along the mid-vein and dieback of twigs is very common.  This injury occurs when water evaporates from the leaves on windy, warm sunny days in the winter, and roots cannot take up water from the frozen soil in the winter.  Winter injury can be caused by sudden and rapid temperature fluctuations, and drying winds.

For More:   Winter Injury and Drying of Rhododendron.  CAES Fact Sheet

Winter Injury on Woody Ornamentals.  CAES Fact Sheet

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