What is widely considered one of Greater Cincinnati's premier Independence Day celebrations is returning to Summit Park in ...

For decades, development, disease and insect infestation have chipped away at the tree canopy, leaving Twin Cities ...

I left both my loyal readers hanging in suspense over what happened with the 50-foot ash tree that decided to smash itself ...

Annual cold snaps have kept some invasive tree pests in check, but outbreaks could become more common with warming ...

First discovered in summer 2022 in southeastern Michigan near Detroit, the emerald ash borer is a small but mighty force to be reckoned with.

DNA sequencing shows young trees are more likely to have gene variants that confer partial resistance to a fungus that has ...

The Red Ash is a fast-growing deciduous tree known for its striking red flowers that bloom in late spring to early summer.

There’s a lot to love about mountain ash, a delightful native tree that fits easily into urban and suburban landscapes. It can be grown as a small single-trunk tree or with mult ...

Natural selection is acting upon thousands of locations within the ash tree DNA, driving the evolution of resistance as the ...

There’s a tree killer on the loose in Oregon, and nobody knows how to stop it. An invasive green beetle called the emerald ash borer arrived in the Midwest from Asia, and it’s killed over 100 ...

Adult emerald ash borers are metallic green with a coppery red or purple abdomen and are about 1/2 inch in length. Larvae are cream-colored with brown heads, flat, and segmented. An emerald ash ...