Have you ever wondered why you see such varying vegetation on the landscape depending on use? One big reason is soil compaction. Land allowed to stay in permanent vegetation is easy to plant […]
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.
Oregon Invasive Species Awareness Week, May 15 – 21
This week is Oregon Invasive Species Awareness Week. Spread the word — not the weeds! Oregon Invasive Species Awareness Week is an opportunity for all Oregonians to learn how invasive, noxious weeds hurt […]
Horse Pasture Management: Broadleaf Weeds
Do you have broadleaf weeds in your horse pasture? Of course you do! “Broadleaf” is a term used for a group of plants that have leaves that do not look like grass. When […]
Manage Weeds with our Weed Tool Library!
The Clackamas Soil and Water District WeedWise Program has a weed tool library. This free resource includes shrub and tree removal tools and lake rakes available for use in your weed control project. […]
Tree-of-Heaven Isn’t “Heavenly”
If you start looking around Clackamas County, it won’t take you long to find the invasive tree-of-heaven (Ailanthus altissima). This state-listed noxious weed is increasingly common in many of our urban areas where […]
Do You Know about “Pasture Bullies?”
“Pasture Bullies” are plants that are toxic to horses and livestock. These toxic plants include invasive weeds and non-pasture plants that can seriously harm or kill your animals. Clackamas Soil and Water Conservation […]
Clean Your Boots to Protect Our Natural Areas
Clean your boots! And your sneakers, sandals, and flip-flops too. Give them a quick check before and after you hike to prevent the spread of invasive weeds. Summer is here and that means […]
Celebrate Native Plant Appreciation Week!
Native Plant Appreciation Week is April 25-May 1, 2021. This annual celebration provides an opportunity to reflect on why it is essential to control invasive weeds. Join us all at the District in […]
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 […]
