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 14-20 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. […]
Garlic mustard (Alliaria petiolata) is an increasingly invasive weed in our community. Native to central and western Europe, this fast-growing plant commonly invades sites such as parks, trails, roadsides, and streamsides. April is a great time to manage this important invasive weed on your property. Sometimes referred to as Jack-by-the-hedge, garlic mustard is easily identified […]
We are pleased to welcome Monte Mattsson as the newest member of the WeedWise Program. Monte joined our team as a new WeedWise Specialist, in early March 2023. Monte is working on controlling, surveying, and mapping invasive species; conducting outreach to landowners; and collaborating with many of our partners to manage invasive weeds through […]
We are very pleased to welcome the newest member of the WeedWise team! The WeedWise program is pleased to announce our newest staff member Bee Sinichko! Bee joins our team as a WeedWise Specialist and as the new shared Coordinator for the 4-County CWMA and Columbia Gorge CWMA. This complex but rewarding position not only […]
Canada thistle (Cirsium arvense) is a widespread invasive weed found in all parts of Clackamas County. Unlike the many native thistles found in Oregon, Canada thistle can quickly overrun an area and displace native plants, reduce agricultural yield, and create problems for grazing animals when they infest a field or pasture. They also cost a […]
National Invasive Species Awareness Week (February 20-February 26, 2023) kicks off today! Each year, folks around the country take a week to consider the many impacts that non-native invasive species have on our communities, working lands, natural areas, and pocketbooks. So take a moment to celebrate with the WeedWise Program to learn a little more […]
February is the one month of the year that many of us associate with love and romance. We cut out paper hearts for Valentine’s Day cards and wrap cut flowers for that special person in our lives. But there is another reason to celebrate. February 14th is also Oregon’s birthday! Way back in 1859, Oregon […]
