Norway maples create deep shade, shade so dark that nothing, including lawn, can grow underneath. Here’s how to tell them apart. Here's how to tell them apart.

Norway maple was often used as a “boulevard tree,” much like American elm (Ulmus americana), because the tall, broad canopy created a pleasantly shaded roadside aesthetic. From its sudden increase in ...

Using red maple trees as an example, Johnson said some years they will have 20% female flowers, the part that pollinates and creates seeds. In other years, the same tree might produce 60% female ...

Black maple’s bottom two lobes are so much less prominent than sugar maple that it often looks like 3 main lobes. Additionally, black maple leaves droop on the sides, almost like they are starting to ...

Norway maple, a tree species from the soapberry family, Sapindaceae, is a woody invasive species that can outcompete other native tree species due to its dense canopy, rapid growth, and prolific seed ...

Is it a sugar or Norway maple? Fecundity and winged seeds have made Norway maple too much of a good thing, so I'm yanking out any small plants that I come upon.

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.

The two wings of a Norway maple seed spread at almost a 180 degree angle from each other, while those of a sugar maple hang down together at a much narrower angle.