The research led by ESF scientists involved analysis of growth rings from hundreds of trees across the Adirondack Mountains in northern New York state. It showed that a decline in the growth rate ...

Sap buckets hang from a maple tree as draft horses Bill and Cote walk past in Alton, N.H. in 2016. (Jim Cole/AP) It may seem paradoxical, but sugar maple trees need snow to grow.

Young sugar maple trees grew at the same rate in all the rings. Although some aspen are now more than 20 feet tall, researchers are cautious about projecting their results to full-grown trees.

Make sure you keep the tree trunks mulch free for at least 12 inches from the tree, as the trunk needs to "breathe". Water weekly when weather is dry, even more often when conditions are hot and dry.

In 2017, the average U.S. sugar maple tap produced about one-quarter of a gallon, while Vermont's taps flowed to a little more than one-third of a gallon.. But it takes time for a tree to reach ...

The iconic sugar maple, one of the most economically and ecologically important trees in the eastern United States and Canada, shows signs of being in a significant decline, according to new research.

The iconic sugar maple, one of the most economically and ecologically important trees in the eastern United States and Canada, shows signs of being in a significant decline, according to research ...