Common names for plants can be colorful, descriptive — and sometimes misleading. For example, southern prickly ash (Zanthoxylum clava-herculis) isn’t a true ash tree but is actually related to lemons, ...

Q: I have a beautiful green ash tree in my front yard and hope to keep it protected from the ash borer as long as possible, but today I noticed a lot of leaves have fallen off. There are little dark ...

Botanists in the UK have teamed up with game development company Team Cooper to design a social media game that uses real genetic data from the common ash tree, Fraxinus excelsior, and from the ...

They’re flashy, they’re hungry, they’re relentless, and they’re here. The long-expected, long-dreaded arrival of emerald ash borers in Mankato was officially verified in December. When they finish ...

The Common Ash tree is one of the most recognizable species in the UK, reaching heights of up to 30 meters. In this video, we explore its identifying features, including pinnately compound leaves, ...

Lea Nash was talking to her neighbor about Oregon's newest pest when one flew into her neck — or so she thought. Standing near their Eugene homes close to River Road, the bug bounced off her neck and ...

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Ash leaves are turning purple and yellow now, gardening season is winding down, and the aphids are back. While enjoying the spectacular fall color this year, you may have noticed tiny, powdery-blue, ...

LACKAWANNA STATE PARK, Pa. -- A beetle native to Asia that kills ash trees has shown up here in Pennsylvania for over a decade, but now park officials in Lackawanna County are seeing signs of ...

Nick Atkinson is a Fellow at the Centre for Ecology and Hydrology. He is also an employee of the Woodland Trust. Ash dieback – a fatal disease of Britain’s native ash trees (Fraxinus excelsior) – is ...