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Winterizing Trees: Dormant Season Preparations
University Outreach Publication
Have you winterized your trees yet? Fall is a time of serious change and reorganization within a tree. Many trees will not survive to grow in another Spring. You can help your trees survive and thrive.
Trees sense the changing seasons by the temperature, by a dormancy timer in the leaves, and by the amount of light they receive. The old leaves, buds, and inner bark all have a pigment that reads the seasons of the year. As the days shorten in fall, this pigment called phytochrome, tells the tree to closedown for winter.
Getting ready for winter in an organized way is called senescence. Within a tree, a message is sent from the tissues with phytochrome which signals senescence. Senescence in trees is an ordered shutting-down of summer growth and the conservation of valuable resources. Senescence brings both the fall colors and leads to renewed spring growth.
(FOR96-45) November 1996
Kim D. Coder
1996
University of Georgia School of Forest Resources
Athens, GA
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Abiotic Factors, Best Management Practices (BMPs), Maintenance Specifications, Nursery, Stress & Stressors, Diagnosis and Treatment, Health (tree)
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Cold weather, Freezing preparation, Winterizing trees
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