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… ...

NYS declared Norway maples to be regulated invasive species, meaning they can’t be “knowingly introduced into a free-living state.” They're displacing native maple in NY forests ...

Norway maple seeds are able to spread quickly and travel a fair distance through wind dispersal, greatly increasing their seedling recruitment. Once these trees are established in a new territory, ...

Norway maple is an invasive tree species, while sugar and black maples are native tree species (sometimes called hard maples). Sugar and black maples are even more beloved for their gift of delicious ...

Greg Spyreas, a botanist at the University of Illinois at Urbana-Champaign, inspects what’s left of a Norway maple tree that was toppled by high winds in the Aug. 10 derecho.