English ivy (Hedera helix) may conjure up images of cozy, country cottages, but don’t be deceived. This invasive weed can destroy buildings, poison pets, and topple trees. The very characteristics that made it […]
Archive | Weeds
Detecting, controlling, and eradicating invasive plants are topics captured in the Weeds category. Invaders affect wildlife and crop production. In some cases they pose health risks to people and animals.
December Invasive 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 […]
November Invasive Weed of the Month: Spurge Laurel
Spurge laurel (Daphne laureola) is neither a spurge nor a laurel, but rather an invasive plant in the Daphne family. This perennial plant has poisonous berries, spreads aggressively in our native forests, and […]
District Welcomes New Staff Member Courtney Gattuso
The Clackamas SWCD is pleased to announce our newest staff member Courtney Gattuso! Courtney joins our team as a WeedWise Specialist and as the new shared Coordinator for the 4-County CWMA and Columbia […]
October Invasive Weed of the Month: Himalayan Blackberry
Himalayan blackberry (Rubus bifrons) tantalizes us with its sweet fruits in the summer and tortures us with its prickly vines all year long. Also known as Armenian Blackberry, this wide-spread and aggressive weed […]
September Invasive Weed of the Month: 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 […]
August Invasive Weed of the Month: Puncturevine
Puncturevine (Tribulus terrestris) is aptly named! This invasive weed has spiny seed heads on it that can easily puncture a bike tire, inflatable raft, animal paw, or footwear. Be on the lookout because […]
The Prickly Thistle: A July 2018 WeedWise update
Welcome to the July edition of the WeedWise newsletter, known as the Prickly Thistle! This is our opportunity to share with you just some of the great activities underway here at the WeedWise […]
Join the WeedWise Team!
Clackamas Soil and Water Conservation District seeks qualified candidates for a WeedWise Program specialist position. All applications materials must be submitted to the District no later than 4:30 PM on Oct 14, 2016. […]
Clean Your Boots After You Hike!
Clean your boots after you hike. And your sneakers, sandals, and flip-flops too. Give them a quick check before you hike as well and help to prevent the spread of invasive weeds. Summer […]
July Invasive 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 weed. It is believed to […]
