Japanese knotweed (Fallopia japonica) has been called a “botanical bully” and “the alien shrub that can’t be stopped.” It is considered invasive in many parts of the world. This gives you a pretty […]
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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 […]
Clean Your Boots to Protect Our Natural Areas
Clean your boots! And your sneakers, sandals, and flip-flops too. Give them a quick check before and after you hike to prevent the spread of invasive weeds. Summer is here and that means […]
Tansy Poisons Livestock – and Neighborly Relationships!
Tansy ragwort (Jacobaea vulgaris) has long tormented hay producers and rural landowners who graze livestock. Horses and cows are especially susceptible to this poisonous weed. In open fields, grazing animals will generally avoid […]
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 […]
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 a Class B invasive weed in Oregon. This means that it is a weed […]
It’s Oregon Invasive Species Awareness Week!
This week is Oregon Invasive Species Awareness Week. Spread the word — not the weeds! Oregon Invasive Species Awareness Week is an opportunity for all Oregonians to learn how invasive, noxious weeds hurt […]
It’s the 2024 Spring Garden Fair!
Join the Clackamas Soil and Water Conservation District at the Clackamas County Master Gardener 2023 Spring Garden Fair on Saturday and Sunday, May 4th and 5th, 2024, at the Clackamas Event Center in […]
May Invasive Weed of the Month: Orange Hawkweed
Orange hawkweed (Hieracium aurantiacum) is a fairly new invasive weed in Clackamas County. With your help, our WeedWise team plans to keep it from becoming a common problem for landowners! A member of […]
