A dense infestation of policeman’s helmet Policeman’s helmet (Impatiens glandulifera) is an invasive weed that grows in ditches, wetlands, and along...
Join us in celebrating 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...
We are very pleased to welcome two new members of the WeedWise team. WeedWise Technicians Samantha and Pavlina, seeding a previously managed weed infestation...
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. ...
Orange hawkweed in bloom Orange hawkweed (Pilosella aurantiaca) is a relatively new invasive weed in Clackamas County and we are working to keep it from...
Celebrate Earth Day is April 22nd! Earth Day provides a great opportunity to reflect on the planet we all love and share. One great way to celebrate this...
Garlic mustard (Alliaria petiolata) is an invasive weed that is becoming increasingly more common in our community. Native to central and western Europe,...
Creeping thistle (Cirsium arvense) is a widespread invasive weed that can be found across much of Clackamas County. Unlike many of the native thistles...
National Invasive Species Awareness Week (February 23-27, 2026) kicks off today! Each year, folks around the country take a week to consider the many impacts...
The month of February is commonly associated with love and romance. We cut out paper hearts for Valentine’s Day cards and deliver cut flowers for that...
Common ivy (Hedera helix), also known as English ivy may conjure up images of country cottages, but don’t be deceived. This invasive weed can destroy...
WeedWise Annual Report 2025 With the new year upon us, we want to take a moment to stop and reflect on our many accomplishments and challenges over the past...
We’ve been making a list,And checking it twice,Now its time to find outWho has been naughty and nice! It is a WeedWise tradition for each of our staff to...
By WeedWise Technician, Samantha Kelly As someone who grew up in the garden with my grandma, camping with my family, and swimming in the river with my dad, my...
English holly (Ilex aquifolium) is a popular evergreen frequently noticed during the month of December when festive decorators “deck the halls with boughs of...
By WeedWise Technician, Hayden Jorde My name is Hayden Jorde and I am a WeedWise Technician. I am originally from the Southwest before relocating to the...
By WeedWise Specialist, Sierra Bloomer Recreation Areas Post-Wildfire Most of us in Clackamas County remember the devastating Riverside Fire that ripped...
A large spurge laurel infestation The Scourge of Spurge Laurel Spurge laurel (Daphne laureola) is neither a spurge nor a laurel, but it is an invasive plant in...
The Thorn in Our Side Himalayan blackberry (Rubus armeniacus) attracts a lot of attention with its sweet fruit in the summer but the rest of the year, it...
September is the Time to Control Japanese Knotweed Japanese knotweed (Reynoutria japonica) is one of the most damaging weeds in the world, and has been...
puncturevine plant spreading Puncturevine (Tribulus terrestris) is a plant that lives up to its name. This invasive weed has spiny seed heads that can easily...
We are very pleased to welcome two new members of the WeedWise team. This month, the WeedWise program welcomes Hayden Jorde and Samantha Kelly as our newest...
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...
