Author Archive | Sam Leininger

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The new thistle you don’t want on your property!

We have plenty of thistles growing in our area and landowners across the region are working hard to combat these prickly invaders.  While most of the thistles growing in our area are invasive, some of them are actually native.  Unfortunately, a recent discovery from eastern Oregon marks the addition of a new invasive thistle to […]

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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.  With your help, our team plans 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 gravel pits, roadsides, meadows, pastures, […]

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It’s Native Plant Appreciation Week!

Let’s Celebrate! The WeedWise program is in the business of preventing and controling 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 rather pernicious patch of invasive weeds, and lose site of […]

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lupine

Happy Earth Day!

Earth Day is this Saturday, April 22, 2017! 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 chains and can cause a […]

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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 priority invasive weed on your property. Sometimes referred to as Jack-by-the-hedge, garlic mustard is easily identified […]

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Got Mail?

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 […]

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Its National Invasive Species Awareness Week!

National Invasive Species Awareness Week (February 27 -March 3, 2017) kicks off today! Once a year, folks around the country take a full week to consider the many impacts that non-native invasive species have on our communities, working lands, natural areas, and pocket books.  So take a moment to celebrate with the WeedWise Program to […]

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WeedWise Program