September is the Time to Control Japanese Knotweed Japanese knotweed (Fallopia japonica) has been called ...
Puncturevine (Tribulus terrestris) is aptly named! This invasive weed has spiny seed heads that can ...
Get to know the WeedWise program, through our people! The success of the WeedWise ...
Tansy ragwort (Senecio jacobaea) is an invasive weed with a long and deadly history in the Pacific Northwest. In Oregon, it is designated as a Class B invasive weed. It is believed to have been introduced here in the early 1900s through ballast water from a ship. This plant is native to Europe and Asia […]
It is National Pollinator Week! June 20-26, 2022 has been designated as National Pollinator Week in Oregon and across the country! Join the WeedWise program and other organizations across the country in celebrating our native pollinators. Summer is here and the weeds and wildflowers are blooming all around us. This burst of summer color also […]
Did you recently receive a letter in the mail from the WeedWise program? The WeedWise Program is preparing for another season of priority weed control, and we are reaching out to landowners across Clackamas County that are currently impacted or under threat from priority invasive weeds. If you received one of our mailings requesting permission […]
Policeman’s helmet (Impatiens glandulifera) is an invasive weed that grows in ditches, wetlands, and along waterways. Native to India, this fast-growing annual was introduced as an ornamental plant due to its impressive growth and the showy purple, pink or white blooms. Since introduction, it has escaped cultivation to become the dominant riparian vegetation in many […]
May 15-21 is the week that we celebrate Oregon Invasive Weed Awareness Week! This is the one week of the year to reflect on the invasive weeds impacting Oregon and for us to begin taking steps to combat these aggressive and harmful invaders. This year we want you to join others across Oregon in learning […]
Get to know the WeedWise program, through our people! The success of the WeedWise program is in great part due to the hard work and dedication of our staff. If you have ever called the office or stopped by for assistance with your weed problems, you have undoubtedly worked with one of our hard-working […]
Orange hawkweed (Hieracium aurantiacum) is a relatively new invasive weed in Clackamas County and we are working to keep it from becoming a common problem for landowners! A member of the sunflower family, orange hawkweed is native to central and southern Europe and grows in open areas like roadsides, meadows, pastures, hayfields, and disturbed sites. […]
Earth Day is April 22, 2022! Earth Day provides a great opportunity to reflect on the planet we all love and share. One of the biggest threats to our natural systems is from the threat of invasive species. The introduction and unchecked spread of invasive weeds disrupts food webs and cause a collapse of our […]
Get to know the WeedWise program, through our people! The success of the WeedWise program is in great part due to the hard work and dedication of our staff. If you have ever called the office or stopped by for assistance with your weed problems, you have undoubtedly worked with one of our hard-working employees. […]
Let’s Celebrate! Here at the WeedWise program, we are in the business of preventing and controlling invasive weeds. As anyone that spends much time battling invasive weeds can attest, our work can feel a little daunting at times. We all have those days when we are battling a bothersome patch of invasive weeds and lose […]