tansy ragwort flowers

July’s Weed of the Month: Tansy Ragwort

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...

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It is National Pollinator Week!

hr 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...

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Got Mail?

hr 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...

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10 Ways to Celebrate Oregon Invasive Weed Awareness Week!

hr 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...

Read More 10 Ways to Celebrate Oregon Invasive Weed Awareness Week!

Staff Spotlight: Samuel Leininger, WeedWise Manager

 hr 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...

Read More Staff Spotlight: Samuel Leininger, WeedWise Manager

May’s Weed of the Month: Orange Hawkweed

hr 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...

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Happy Earth Day!

Earth Day is April 22, 2022! hr Earth Day provides a great opportunity to reflect on the planet we all love and share.  One of the biggest threats to our...

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Staff Spotlight: Lindsey Karr, WeedWise Specialist

hr 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...

Read More Staff Spotlight: Lindsey Karr, WeedWise Specialist

It’s Native Plant Appreciation Month!

hr 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...

Read More It’s Native Plant Appreciation Month!

Recently discovered organic herbicide shown to be safe and effective against nearly all invasive weeds!  

hr Invasive weeds can be extremely damaging and pose a real threat to the social, economic, and ecological health of our communities.  One important tool for...

Read More Recently discovered organic herbicide shown to be safe and effective against nearly all invasive weeds!  

The Undesirable Beauty of Lesser Celandine

hr Each spring we welcome the return of abundant flowers and cherish them as they lift our spirits. Unfortunately, some of these beautiful plants have proven...

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Its National Invasive Species Awareness Week!

hr National Invasive Species Awareness Week (February 28-March 4, 2022) kicks off today! Each year, folks around the country take a week to consider the many...

Read More Its National Invasive Species Awareness Week!

Scotch broom bushes with yellow flowers

February’s Weed of the Month: Scotch Broom

hr 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...

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Year in Review: A WeedWise Annual Report 2021

hr We are celebrating another year in the books! This past year is certainly one that none of us will soon forget. A year shaped by a global pandemic, social...

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Naughty and Nice for 2021

hr 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...

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Green leaves and red berries of English holly

December’s Weed of the Month: English Holly

hr English holly (Ilex aquifolium) is a popular evergreen frequently noticed during the month of December when festive decorators “deck the halls with...

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Request for Proposals: Priority Invasive Weed and Vegetation Management

hr The Clackamas Soil and Water Conservation District (CSWCD) is looking for qualified contractors to perform invasive weed control, and restoration planting...

Read More Request for Proposals: Priority Invasive Weed and Vegetation Management

Group of people walking across field toward oak tree.

Request for Proposals: Priority Invasive Weed and Vegetation Management

The Clackamas Soil and Water Conservation District (CSWCD) is looking for qualified contractors to perform invasive weed control and restoration planting on...

Read More Request for Proposals: Priority Invasive Weed and Vegetation Management

Tree of heaven foliage against a blue sky

Tree-of-Heaven Isn’t “Heavenly”

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...

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Tree-of-heaven header image

Tree-of-Heaven Falls Far from the Name

hr 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...

Read More Tree-of-Heaven Falls Far from the Name

Staff Spotlight: Courtney Gattuso, WeedWise Specialist & CWMA Coordinator

hr 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...

Read More Staff Spotlight: Courtney Gattuso, WeedWise Specialist & CWMA Coordinator

September’s Weed of the Month: Knotweed

hr September is the Time to Control Japanese Knotweed Japanese knotweed (Fallopia japonica) has been called a “nightmare” and a “botanical bully,” and...

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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,...

Read More Tansy Ragwort Poisons Livestock and Neighborly Relationships!

tansy ragwort flowers

July’s Weed of the Month: Tansy Ragwort

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...

Read More July’s Weed of the Month: Tansy Ragwort

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