November Weed of the Month: Spurge Laurel

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...

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Green leafy vines and bushes grow densely under a clear blue sky with a few wispy clouds, creating a lush, vibrant scene.

October Weed of the Month: Himalayan Blackberry

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...

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Closeup of knotweed leaves

September Weed of the Month: Knotweed

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...

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May’s Weed of the Month: Orange Hawkweed

Orange hawkweed (Hieracium aurantiacum) is a relatively new invasive weed in Clackamas County and we are working to keep it from becoming a common problem for...

Read More May’s Weed of the Month: Orange Hawkweed

April’s Weed of the Month: Garlic Mustard

Garlic mustard (Alliaria petiolata) is an increasingly invasive weed in our community.  Native to central and western Europe, this fast-growing plant commonly...

Read More April’s Weed of the Month: Garlic Mustard

June’s Weed of the Month: Policeman’s Helmet

hr Policeman’s helmet (Impatiens glandulifera) is an invasive weed that grows in ditches, wetlands, and along waterways. Native to India, this fast-growing...

Read More June’s Weed of the Month: Policeman’s Helmet

May’s Weed of the Month: Orange Hawkweed

Orange hawkweed (Hieracium aurantiacum) is a relatively new invasive weed in Clackamas County and we are working to keep it from becoming a common problem for...

Read More May’s Weed of the Month: Orange Hawkweed

April’s Weed of the Month: Garlic Mustard

Garlic mustard (Alliaria petiolata) is an increasingly invasive weed in our community.  Native to central and western Europe, this fast-growing plant commonly...

Read More April’s Weed of the Month: Garlic Mustard

June’s Weed of the Month: Policeman’s Helmet

Policeman’s helmet (Impatiens glandulifera) is an invasive weed that grows in ditches, wetlands, and along waterways. Native to India, this fast-growing...

Read More June’s Weed of the Month: Policeman’s Helmet

May’s Weed of the Month: Orange Hawkweed

Orange hawkweed (Hieracium aurantiacum) is a relatively new invasive weed in Clackamas County and we are working to keep it from becoming a common problem for...

Read More May’s Weed of the Month: Orange Hawkweed

April’s Weed of the Month: Garlic Mustard

Garlic mustard (Alliaria petiolata) is an increasingly invasive weed in our community.  Native to central and western Europe, this fast-growing plant commonly...

Read More April’s Weed of the Month: Garlic Mustard

June’s Weed of the Month: Policeman’s Helmet

hr Policeman’s helmet (Impatiens glandulifera) is an invasive weed that grows in ditches, wetlands, and along waterways. Native to India, this fast-growing...

Read More June’s Weed of the Month: Policeman’s Helmet

May’s Weed of the Month: Orange Hawkweed

Orange hawkweed (Hieracium aurantiacum) is a relatively new invasive weed in Clackamas County and we are working to keep it from becoming a common problem for...

Read More May’s Weed of the Month: Orange Hawkweed

April’s Weed of the Month: Garlic Mustard

Garlic mustard (Alliaria petiolata) is an increasingly invasive weed in our community.  Native to central and western Europe, this fast-growing plant commonly...

Read More April’s Weed of the Month: Garlic Mustard

June’s Weed of the Month: Policeman’s Helmet

hr Policeman’s helmet (Impatiens glandulifera) is an invasive weed that grows in ditches, wetlands, and along waterways. Native to India, this fast-growing...

Read More June’s Weed of the Month: Policeman’s Helmet

May’s Weed of the Month: Orange Hawkweed

hr Orange hawkweed (Hieracium aurantiacum) is a relatively new invasive weed in Clackamas County and we are working to keep it from becoming a common problem...

Read More May’s Weed of the Month: Orange Hawkweed

April’s Weed of the Month: Garlic Mustard

Garlic mustard (Alliaria petiolata) is an increasingly invasive weed in our community.  Native to central and western Europe, this fast-growing plant commonly...

Read More April’s Weed of the Month: Garlic Mustard

June’s Weed of the Month: Policeman’s Helmet

hr Policeman’s helmet (Impatiens glandulifera) is an invasive weed that grows in ditches, wetlands, and along waterways. Native to India, this fast-growing...

Read More June’s Weed of the Month: Policeman’s Helmet

May’s Weed of the Month: Orange Hawkweed

hr Orange hawkweed (Hieracium aurantiacum) is a relatively new invasive weed in Clackamas County.  With your help, our team plans to keep it from becoming a...

Read More May’s Weed of the Month: Orange Hawkweed

April’s Weed of the Month: Garlic Mustard

Garlic mustard (Alliaria petiolata) is an increasingly invasive weed in our community.  Native to central and western Europe, this fast-growing plant commonly...

Read More April’s Weed of the Month: Garlic Mustard

June’s Weed of the Month: Policeman’s Helmet

hr Policeman’s helmet (Impatiens glandulifera) is an invasive weed which grows in ditches, wetlands, and along waterways. Native to India, this fast-growing...

Read More June’s Weed of the Month: Policeman’s Helmet

May’s Weed of the Month: Orange Hawkweed

hr Orange hawkweed (Hieracium aurantiacum) is a relatively new invasive weed in Clackamas County.  With your help, our team plans to keep it from becoming a...

Read More May’s Weed of the Month: Orange Hawkweed

April’s Weed of the Month: Garlic Mustard

Garlic mustard (Alliaria petiolata) is an increasingly invasive weed in our community.  Native to central and western Europe, this fast-growing plant commonly...

Read More April’s Weed of the Month: Garlic Mustard

June’s Weed of the Month: Policeman’s Helmet

hr Policeman’s helmet (Impatiens glandulifera) is an invasive weed which grows in ditches, wetlands, and along waterways. Native to India, this fast-growing...

Read More June’s Weed of the Month: Policeman’s Helmet

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