Join Clackamas SWCD’s Justin Cooley at Hopkins Demonstration Forest in Beavercreek, Oregon on Saturday, April 12, 2025 for a Forest Weed Management Field Day. This field workshop, hosted by OSU Extension and the […]
Archive | Weeds
Detecting, controlling, and eradicating invasive plants are topics captured in the Weeds category. Invaders affect wildlife and crop production. In some cases they pose health risks to people and animals.
March Invasive Weed of the Month: Canada Thistle
Canada thistle (Cirsium arvense) is a wide-spread invasive weed found in all parts of Clackamas County. Unlike many native thistles found in Oregon, Canada thistle can quickly overrun an area and displace native […]
Weed Tool Library is Open for Business!
The Clackamas Soil and Water District has a Weed Tool Library. This free resource includes 17 different shrub and tree removal tools and lake rakes available for use in your weed control project. […]
It’s National Invasive Species Awareness Week!
National Invasive Species Awareness Week (February 24 – 28, 2025) has begun! Once a year, folks from around the country take a full week to consider the many impacts that these species have […]
The Undesirable Beauty of Lesser Celandine
Each spring we welcome the return of abundant flowers and cherish them as they lift our spirits. Unfortunately, some of these beautiful plants have proven to be aggressive and, ultimately, highly unwanted. One […]
February Invasive Weed of the Month: Scotch Broom
Scotch broom is a wide-spread invasive weed in our community. You have probably noticed large stands of it along our rural roads and highways, in pastures and in forests. Now is a great […]
We are Hiring for Multiple WeedWise Technicians!
The Clackamas Soil and Water Conservation District is seeking qualified candidates for multiple WeedWise Technicians to support program efforts in the Mt Hood National Forest and across Clackamas County to help protect natural […]
January Invasive Weed of the Month: English Ivy
English ivy (Hedera helix) may conjure up images of cozy, country cottages, but don’t be deceived. This invasive weed can destroy buildings, poison pets, and topple trees. Ivy grows quickly, requires little maintenance, […]
December Invasive Weed of the Month: English Holly
English holly (Ilex aquifolium) is a popular evergreen frequently noticed during the month of December. Festive decorators and traditional songs “deck the halls with boughs of holly”. For many people, the shiny, dark […]
