The Hillsboro Argus welcomes letters to the editor. Please send them to: Opinions Hillsboro Argus P.O. Box 588 Hillsboro, OR 97123 They also may be e-mailed to or faxed to 503-648-9191. Letters ...

Tansy ragwort (Senecio jacobaea) is a biennial from Eurasia. It is often found in poorly-managed pastures, riparian areas, roadsides, forests and gardens. This plant may reach six feet tall with ...

Tansy ragwort is particularly harmful to small farms and those with horses. Rosemary Collins, owner of Pony Up Rescue for Equines in Olalla, said it must be pulled out as soon as it’s noticed ...

The recent sorry state of the “Welcome to Washington” sign on northbound Interstate 5 in Vancouver encapsulated a dismal reality throughout Clark County: We are being overrun by weeds.

In 1960, the Oregon Department of Agriculture introduced three insects that feed on tansy ragwort, and by the 1980s they had it under control. In 1960, ...

Property owners pulling up noxious weed tansy ragwort can bring it to Castle Rock for free disposal Saturday. The Cowlitz County Noxious Weed Control Program is accepting bagged flowering tansy ...

After 25-year fight, native plant species are recovering ...