By Linda Williams, DNR Forest Health Specialist, Woodruff
Linda.Williams@wisconsin.gov or 920-360-0665

Two photos show maple branches that died recently due to previous damage from squirrels. / Photo Credit: Linda Williams, Wisconsin DNR
Have you noticed maple branches suddenly dying this summer?
Sudden mortality of maple branches during the summer in northern Wisconsin is often a result of squirrel damage that occurred in late winter and early spring.
In late winter and early spring, gray squirrels strip the bark of maples to get at the sweet maple sap. When the damage is extensive or severe, entire trees or branches will be killed immediately and will not leaf out in the spring.
Continue reading “Winter Squirrel Damage Killing Maple Branches”




Join us for a two-part workshop on the value and uses of bare root trees and how to use gravel beds to hold and maintain bare root stock before it is planted. Part one will be delivered via Zoom on Friday, Sept. 20. Part two will be an in-person field day visit to an operating gravel bed. You will select one of the six locations around the state during registration. ISA CEUs will be available for both parts.
Southeastern Wisconsin Invasive Species Consortium is teaming up again with
The Arbor Day Foundation is thrilled to announce the 2024 Partners in Community Forestry Conference and Alliance for Community Trees Day will be held in Chicago, Illinois Nov. 20-21.