March’s Weed of the Month: Canada thistle

Canada thistle (Cirsium arvense) is a widespread invasive weed found in all parts of Clackamas County.  Unlike the many native thistles found in Oregon,...

Read More March’s Weed of the Month: Canada thistle

Close up of a purple Canada thistle blossom and folliage

March Invasive Weed of the Month: Canada Thistle

Canada thistle (Cirsium arvense) is a wide-spread invasive weed found in all parts of Clackamas County.  Unlike many native thistles found in Oregon, Canada...

Read More March Invasive Weed of the Month: Canada Thistle

March’s Weed of the Month: Canada thistle

hr Canada thistle (Cirsium arvense) is a widespread invasive weed found in all parts of Clackamas County.  Unlike the many native thistles found in Oregon,...

Read More March’s Weed of the Month: Canada thistle

March’s Weed of the Month: Canada thistle

hr Canada thistle (Cirsium arvense) is a widespread invasive weed found in all parts of Clackamas County.  Unlike the many native thistles found in Oregon,...

Read More March’s Weed of the Month: Canada thistle

March’s Weed of the Month: Canada thistle

hr Canada thistle (Cirsium arvense) is a widespread invasive weed found in all parts of Clackamas County.  Unlike the many native thistles found in Oregon,...

Read More March’s Weed of the Month: Canada thistle

March’s Weed of the Month: Canada thistle

hr Canada thistle (Cirsium arvense) is a widespread invasive weed found in all parts of Clackamas County.  Unlike the many native thistles found in Oregon,...

Read More March’s Weed of the Month: Canada thistle

March’s Weed of the Month: Canada thistle

hr Canada thistle (Cirsium arvense) is a widespread invasive weed found in all parts of Clackamas County.  Unlike the many native thistles found in Oregon,...

Read More March’s Weed of the Month: Canada thistle

March’s Weed of the Month: Canada thistle

hr Canada thistle (Cirsium arvense) is a widespread invasive weed found in all parts of Clackamas County.  Unlike the many native thistles found in Oregon,...

Read More March’s Weed of the Month: Canada thistle

March’s Weed of the Month: Canada thistle

hr Canada thistle (Cirsium arvense) is a widespread invasive weed found in all parts of Clackamas County.  Unlike the many native thistles found in Oregon,...

Read More March’s Weed of the Month: Canada thistle

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