By WeedWise Specialist, Sierra Bloomer Recreation Areas Post-Wildfire Most of us in Clackamas County remember the devastating Riverside Fire that ripped...
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...
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...
Join Clackamas SWCD’s Justin Cooley at Hopkins Demonstration Forest in Beavercreek, Oregon on Saturday, April 12, 2025 for a Forest Weed Management Field...
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...
Tansy ragwort (Jacobaea vulgaris) has long tormented hay producers and rural landowners who graze livestock. Horses and cows are especially susceptible to this...
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...
Policeman’s helmet (Impatiens glandulifera) is an invasive annual which threatens streams and rivers throughout the Pacific Northwest. It is a Class B...
Weeds are a never-ending challenge for farmers and gardeners across the Pacific Northwest. Even in winter, you might be surprised to see many weeds happily...
The 2024 Native Plant Sales are in full swing. While the Clackamas Soil and Water Conservation District doesn’t host a native plant sale, many of our...
Bouquets of yellow flowers are blooming across our region. Unfortunately, these colorful blooms are from the poisonous plant known as tansy ragwort. They...
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...
Have you ever wondered why you see such varying vegetation on the landscape depending on use? One big reason is soil compaction. Land allowed to stay in...
The Clackamas Soil and Water Conservation District (CSWCD) is looking for qualified contractors to perform invasive weed control and restoration planting on...
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 noxious...
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...
Forest fires are currently raging along the West Coast. Here in Clackamas County, when this time of year rolls around, we cross our fingers, hoping wildfires...
As you head out for some well deserved exercise or restorative time in nature, remember to clean your boots before and after you hike. And your sneakers,...
