News

TSWCD-Rule-Mark-ctr

Browse News:

Browse Posts by Category

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 […]

Read More
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.

Read More

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.

Read More

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 […]

Read More
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.

Read More
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.

Read More