A dense infestation of policeman’s helmet Policeman’s helmet (Impatiens glandulifera) is an invasive weed that grows in ditches, wetlands, and along...
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...
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...
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...
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 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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
Its October, and that means its time for a new Weed of the Month! We are working with our partners at the Columbia Gorge Cooperative Weed Management Area to...
We are once again partnering with our friends from the Columbia Gorge Cooperative Weed Management Area to feature invasive knapweeds as the target weed for the...
Its June, and that means its time for a new Weed of the Month! We are working with our partners at the Columbia Gorge Cooperative Weed Management Area to...
