Weeds

Two people hike up a grassy hill surrounded by leafless trees and a forested slope, with fallen branches and sparse vegetation visible around them.

Welcome Sam and Pavlina!

We are very pleased to welcome two new members of the WeedWise team. WeedWise Technicians Samantha and Pavlina, seeding a previously managed weed infestation...

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. ...

Bright orange wildflowers with thin, spiky petals and green stems grow in a lush garden setting, surrounded by green leaves and foliage in the background.

May Invasive Weed of the Month: Orange Hawkweed

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...

A red tractor drives through a green grassy field, spraying a fine mist. Trees with early spring leaves and a pond are visible in the background under a cloudy sky.

Beavercreek Farm Transition Announcement

We have something exciting to share! This is something we have been working toward for several years, and it is finally happening. We are transforming our...

Landscape of blue mountains with grassland in foreground

Happy Earth Day!

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...

Oregon White Oak Workshop, April 2026

Do you have Oregon white oak on your property? If so, this workshop is for you! Right Tools,Right Place: Combating Invasives and Restoring Oak Habitat,...

It is Native Plant Appreciation Month!

Let’s Celebrate! Here at the Clackamas SWCD, we are in the business of preventing and controlling invasive weeds and helping to conserve our native...

Close-up of green, serrated leaves with clusters of small, white, four-petaled flowers growing in the center. The background is blurred and green.

April Weed of the Month: Garlic Mustard

Garlic mustard (Alliaria petiolata) is an invasive weed that is becoming increasingly more common in our community. Native to central and western Europe,...

March’s Weed of the Month: Creeping Thistle

Creeping thistle (Cirsium arvense) is a widespread invasive weed that can be found across much of Clackamas County. Unlike many of the native thistles...

The Undesirable Beauty of Lesser Celandine

Lesser celandine flowers emerge in early spring. Each spring we welcome the return of abundant flowers and cherish them as they lift our spirits....

Its National Invasive Species Awareness Week!

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...

February Weed of the Month: Common Broom

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...

Plan, Prepare, and Preserve: Make Conservation Goals a Winter Priority

Winter is a great time to remember these important conservation and land management tasks in 2026. While the soil is soft, check out a weed...

2026 Tree School

Join us for the 36th Tree School on Saturday, March 21, 2026 at Clackamas Community College! This year’s event will offer 72 classes to support...

2026 Native Plant Sales

The Winter 2025-2026 Native Plant Sales are in full swing. While the Clackamas Soil and Water Conservation District doesn’t host a native plant sale,...

We Are Hiring for Multiple Seasonal WeedWise Positions! – THIS RECRUITMENT IS NOW CLOSED

We are now accepting applications for multiple seasonal WeedWise Technicians – THIS RECRUITMENT IS NOW CLOSED The Clackamas Soil and Water Conservation...

January Weed of the Month: Common Ivy

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...

Year in Review: A WeedWise Annual Report 2025

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...

WeedWise Naughty and Nice 2025

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...

A person wearing a reflective orange safety vest walks alone on a narrow dirt trail through a lush, green forest with tall, leafless trees under a bright blue sky.

WeedWise Technician Spotlight 2025: Samantha Kelly

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...

Green leaves and red berries of English holly

December 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...

A small green pine seedling grows from a charred tree stump in a burned forest. In the blurred background, a person in an orange jacket walks among standing dead trees.

WeedWise Technician Spotlight 2025: Hayden Jorde

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...

A dirt path runs through a forest of tall, barren trees with cut logs stacked on both sides under a clear blue sky. The scene suggests recent logging or recovery from a forest fire.

Giving Broom the Clean Sweep: WeedWise Post-Wildfire Recovery Efforts on the Mount Hood National Forest

By WeedWise Specialist, Sierra Bloomer Recreation Areas Post-Wildfire Most of us in Clackamas County remember the devastating Riverside Fire that ripped...

November Weed of the Month: Spurge Laurel

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...

↑