Anthony R. Brach, Ph.D.
Harvard University Herbaria c/o Missouri Botanical Garden
This depends on the latitude. South of Immokalee, peach trees could stay evergreen year-round. However, they also will not bear fruit because a “chilling period” is needed to prime the tree for production in the spring. It simply doesn’t get cool enough to pull this physiological trigger.
Otherwise, a tree should drop its leaves in preparation for winter dormancy. If the early winter has been unseasonably warm and the trees have not dropped their leaves by mid-December, then a zinc sulfate solution can be applied to artificially induce defoliation.
Dr. Tim Durham
Instructor, Office of Curriculum and Instruction
University Colloquium
Department of Biological Sciences
Florida Gulf Coast University
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