Author Archive | Sam Leininger

Orange hawkweed in bloom

May’s Weed of the Month: Orange Hawkweed

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.  […]

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April’s Weed of the Month: Garlic Mustard

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 […]

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Welcome Monte!

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 […]

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Welcome Bee!

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 […]

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March’s Weed of the Month: Canada thistle

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 […]

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Its National Invasive Species Awareness Week!

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 […]

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January’s 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. The very characteristics that made it a popular ornamental plant – grows quickly, requires little maintenance, and provides a “no-mow,” evergreen ground cover — are the things that […]

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Year in Review: A WeedWise Annual Report 2022

We are celebrating another year in the books! With the new year rapidly approaching, we wanted to take a moment to stop and reflect on our many accomplishments and challenges over the past year.  We have been doing a lot of reflection as we work on our end-of-year reporting and plan for the year ahead. […]

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Join the WeedWise Team!

We are now accepting applications for two WeedWise Specialists The Clackamas Soil and Water Conservation District is seeking qualified candidates for two WeedWise Program Specialist positions to help protect local and regional working lands and natural areas. Our goal is to create a high-quality job experience for a conservation-minded leader. Closing Dates: WeedWise Specialist-CWMA Coordinator:  […]

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