Denver has detected the invasive emerald ash borer, urging residents to identify and act on ash tree infestations.

Green ash trees, particularly, have shallow, wide root systems that can spread up to 50 feet laterally, according to Bates College. Stone tree rings may protect roots from landscaping damage but ...

Green and white ash trees are the two most common ash species and their range covers most of the Eastern United States and Canada. Other significant ash trees to cover significant ranges are black ...

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

Salem crews will soon begin injecting city-owned ash trees with an insecticide to protect them from the emerald ash borer.

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 ...

Scientists at the Royal Botanic Gardens, Kew and Queen Mary University of London have discovered that a new generation of ash ...

The city of Hutchinson recently removed several green ash trees from Northwoods Park in response to the state’s ongoing emerald ash borer infestation. To be clear, ash borers have not reached ...

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.

On Japanese pagoda trees, the amount of leaf damage was 2.1 per cent in areas with streetlights and 5.3 per cent in dark areas, while the amount of leaf damage on green ash trees was 2 per cent ...

RELATED I Appleton to remove 800 trees from parks due to emerald ash borer infestation Emerald ash borer is expected to eventually kill more than 99% of Wisconsin's white, black and green ash (and ...

They’re great shade trees. So many people might have a green ash, either in front of their house, on the street, or in their yard,” said Nickerson.