Author Archive | Sam Leininger

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Naughty and Nice for 2021

We’ve been making a list, And checking it twice, Now its time to find out Who has been naughty and nice! It is a WeedWise tradition for each of our staff to select our annual “Naughty and Nice” plants for the year. Check out the latest from our staff in this fun holiday tradition! Sam’s […]

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December’s Weed of the Month: English Holly

English holly (Ilex aquifolium) is a popular evergreen frequently noticed during the month of December when festive decorators “deck the halls with boughs of holly”.  For many people, the shiny, dark green leaves and red berries of holly are synonymous with the holiday season. This popular plant, however, is not native to Oregon.  In fact, […]

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Tree-of-Heaven Falls Far from the Name

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 more common in many of our urban areas where it flourishes.  Tree-of-heaven seems right at home in alleys, roadsides, railways, vacant lots, that crack in the sidewalk.  Very large trees […]

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Knotweed

September’s Weed of the Month: Knotweed

September is the Time to Control Japanese Knotweed Japanese knotweed (Fallopia japonica) has been called a “nightmare” and a “botanical bully,” and is one of the 100 worst global invaders. These characterizations give you a pretty good idea of just how unwelcome this invasive weed is in our community. Japanese knotweed is fast-growing and hardy, […]

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Tansy Ragwort Poisons Livestock and Neighborly Relationships!

Tansy ragwort has long tormented rural landowners who graze livestock. Horses and cows are especially susceptible to this poisonous weed. In open fields, grazing animals will generally avoid eating tansy ragwort, but in heavily infested pastures they may have few other options.  Contaminated hay is particularly a problem because it becomes impossible for feeding animals […]

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It is National Pollinator Week!

It is National Pollinator Week! June 21-27, 2021 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 […]

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Staff Spotlight: Samuel Leininger, WeedWise Manager

  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 […]

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