hr English holly (Ilex aquifolium) is a popular evergreen frequently noticed during the month of December when festive decorators “deck the halls with...
hr The Clackamas Soil and Water Conservation District (CSWCD) is looking for qualified contractors to perform invasive weed control, and restoration planting...
hr The Scourge of Spurge Laurel Spurge laurel (Daphne laureola) is neither a spurge nor a laurel, but rather an invasive plant in the Daphne family. This...
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...
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...
hr The Thorn in Our Side Himalayan blackberry (Rubus armeniacus) tantalizes us with its sweet fruits in the summer and tortures us with its prickly vines all...
hr September is the Time to Control Japanese Knotweed Japanese knotweed (Fallopia japonica) has been called a “nightmare” and a “botanical bully,” and...
hr Puncturevine (Tribulus terrestris) is aptly named! This invasive weed has spiny seed heads that can easily puncture a bike tire, inflatable raft, animal...
Tansy ragwort has long tormented rural landowners who graze livestock. Horses and cows are especially susceptible to this poisonous weed. In open fields,...
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...
hr 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...
hr Policeman’s helmet (Impatiens glandulifera) is an invasive weed that grows in ditches, wetlands, and along waterways. Native to India, this fast-growing...
hr May 15-22 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...
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...
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...
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...
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...
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...
Garlic mustard (Alliaria petiolata) is an increasingly invasive weed in our community. Native to central and western Europe, this fast-growing plant commonly...
hr Canada thistle (Cirsium arvense) is a widespread invasive weed found in all parts of Clackamas County. Unlike the many native thistles found in Oregon,...
hr National Invasive Species Awareness Week (February 22-26, 2021) kicks off today! Each year, folks around the country take a week to consider the many...
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...
