English holly (Ilex aquifolium) is a popular evergreen frequently noticed during the month of December. Festive decorators and traditional songs “deck the halls with boughs of holly”. For many people, the shiny, dark […]
Tag Archives | weeds
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 […]
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 […]
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 […]
December Invasive Weed of the Month: English Holly
English holly (Ilex aquifolium) is a popular evergreen frequently noticed during the month of December. Festive decorators and traditional songs “deck the halls with boughs of holly”. For many people, the shiny, dark […]
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 […]
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 […]
Request for Proposals: Priority Invasive Weed and Vegetation Management
The Clackamas Soil and Water Conservation District (CSWCD) is looking for qualified contractors to perform invasive weed control and restoration planting on multiple project sites within Clackamas County. Categories of work may include: […]
The Undesirable Beauty of Lesser Celandine
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 to be aggressive and, ultimately, highly unwanted. One […]
