Tips on identifying green ash, how to care for green ash and special information for using Fraxinus pennsylvanica in the landscape.

The Common North American Ash Species seven75 / Getty Images Green and white ash trees are the two most common ash species and their range covers most of the Eastern United States and Canada.

If your ash tree’s canopy is thinning, bark is flaking off in patches, or woodpeckers are suddenly interested in your trunk, ...

Trees are welcome additions in most backyards. Yet, this is only true when the tree suits your space. If you have a small ...

Dead ash trees are seen at Buttercup Farm Audubon Sanctuary on June 4. Since 2009, the vast majority of white, black and green ash trees have been wiped out by an invasive pest.

The insect’s larvae — yellow-green with white and green stripes and a brown head — feed on the leaves of green ash trees, leaving behind shot holes before consuming entire leaves, often ...

Species like spotted lanternflies, zebra mussels and wild pigs are popping up around the commonwealth. Here's how to handle ...

No ash is safe from this insect. All species are attacked, including green, black and white ash. Emerald ash borer attacks all sizes of trees from one-inch diameter to large, mature ash.

"Emerald ash borer beetles target, and eventually kill, ash tree species of the green and white varieties including the 'autumn purple ash,' a popular white ash variety in Colorado," the city said.

Emerald ash borer beetles infest and kill green and white varieties of ash trees, including the popular autumn purple ash. Approximately 15% of urban trees are ash trees, according to the city.

Today, the white ash trees that have supplied the bats’ wood are threatened by a metallic green, wood-boring beetle, one-half inch long and one-eighth inch wide, the emerald ash borer (EAB).

Midwestern cities face a dilemma: Remove mature ash trees that keep neighborhoods cool or leave them to be devoured by a tiny bug.