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Side-by-side comparison between periwinkle and Oregon iris

What’s the difference between native, non-native, and invasive plants?

Knowing the difference between native, non-native , and invasive plants can be tricky. Discover the simple and nuanced differences!

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When Oregon Ash Goes Missing: What the Arrival of EAB Means for the Tualatin River Watershed

Oregonians don’t exalt ash trees the way they do other native trees. That’s no slight to the good people of Oregon. It’s a statement to […]

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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?

High biodiversity supports healthy ecosystems because every species has an important job to do.

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