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 […]
Tag Archives | invasive weeds
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 […]
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 […]
The Prickly Thistle: A June 2018 WeedWise update
Welcome to the June 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 […]
June Invasive Weed of the Month: Policeman’s Helmet
Policeman’s helmet (Impatiens glandulifera) is an invasive annual which threatens streams and rivers throughout the Pacific Northwest. It is designated as a Class B invasive weed in Oregon. This means that it is […]
The Prickly Thistle: A May 2018 WeedWise update
Welcome to the May edition of the WeedWise newsletter, known as the Prickly Thistle! This is our opportunity to share with you all of the great activities underway here at the WeedWise program! […]
10 Ways to Celebrate Oregon Invasive Weed Awareness Week!
May 13-19 has been declared Oregon Invasive Weed Awareness Week! This is an ideal time of the year to reflect on the invasive weeds impacting Oregon. Everyone can begin taking steps to combat […]
