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An adult emerald ash borer feeds on an ash tree leaf.

The Emerald Ash Borer Has Arrived in Oregon

For twenty years, a pretty little insect has been traveling across the nation and it has finally arrived in Oregon, as specialists knew it eventually […]

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Illustration of binoculars with knotweed as lenses

Keep a Watch Out for Knotweed

Knotweed is harmful to urban and natural areas and is difficult to control. If you have knotweed on your property, we will treat it for free.

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Plant This, Not That: Native Alternatives to Pesky Ornamentals

Attractive native plant alternatives don’t harm ecosystems and increase habitat for native birds, wildlife, and pollinators.

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What is Biodiversity and Why Does It Matter For You?

Biodiversity is a hot topic these days. All around us, there’s talk about the earth’s most beautiful animals creeping ever closer to extinctionWhen an entire […]

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Spurge laurel flowers

Spurge Laurel: Toxic, Stubborn, and Trying to Take Over Oregon’s Native Forests

Spurge laurel is a hardy evergreen shrub that threatens threatens some of the Willamette Valley’s most endangered habitats.

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Milk thistle flower.

Milk Thistle: A Prickly Problem in the Tualatin Watershed

Milk thistle negatively impacts crop fields and pastures. It crowds out crops and decrease farmer’s harvests, and is also toxic to livestock.

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