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

MADISON, Wis. (WSAW) - The Wisconsin DNR encourages property owners to watch for woodpecker damage to their ash trees this winter. If damage is found, property owners should make plans to take ...

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 ...

The tree in winter has pitchfork-like looking limb tips and there could be long and narrow clustered winged seed or samaras. Ash has continuous bundle scars inside leaf scar looks like "smiley face".

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

Ash trees within 15 miles of a known infestation are considered at high risk of attack. ... “During the winter months, you can still find EAB in trees even though the leaves are off,” Kintner ...

Dear Neil: I read with interest a column you wrote back in 2012 about marigold trials at the Dallas Arboretum. Transplants that I have set out in the fall have ...

A dying ash tree marked for removal due to the emerald ash borer. The beetle was first detected in Winnipeg in the fall of 2017. Almost eight years later, the city has been surprised to find few ...

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 ...

Growing your own ash trees from seed isn't a short process, but with enough time and patience, ... Because of this, it's ...

In 2009, an invasive tree pest was discovered on an ash tree in St. Paul. This past fall, 15 years later, the city cut down its last ash tree.. While St. Paul and other more populated cities have ...