The Norway maple (Acer platanoides) is found throughout Europe, from England north through Scandinavia. This tree was introduced to the U.S. by an English botanist, John Bartram, in 1756 when they ...

We’re deep into fall and gardening is winding down, but there are still things gardeners wonder about. If you’ve got questions, turn to Ask an Expert, an online question-and-answer tool from Oregon ...

Sugar maple can be a sweet addition, but its invasive impostor is not. Here's how to tell the difference between a Norway maple vs sugar maple.

My Norway maple has lots of black spots on the leaves and the leaves are falling off the tree in large quantity. I am worried that the tree is dying. What is this problem and is there anything that I ...

The Journal of the Torrey Botanical Society, Vol. 132, No. 2 (Apr. - Jun., 2005), pp. 225-235 (11 pages) We investigated the contribution of non-native tree species to woodlands in and near Worcester, ...