Every year the eastern cottonwood trees in Michigan release their fluffy seeds. The end of June likely marks the end of this process. Here's what to know.

Lynn Griffiths is the owner of a cottonwood tree in the back yard of 63 Rochester St. Due to it's age, 118 years, and condition, it will be cut down in the next few days. Photo by Wayne Cuddington ...

Cottonwood trees are pruned during dormancy, between late fall and early spring. The best time to prune the trees is in late winter, after the last frosts and just before the buds begin to break.