Archive | WEEDS

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The Undesirable Beauty of Lesser Celandine

Each spring we welcome the return of abundant flowers and cherish them as they lift our spirits. Unfortunately, some of these beautiful plants have proven to be aggressive and ultimately highly unwanted. Look out for this one! One such menace is Lesser celandine (Ranunculus ficaria) which displaces more desirable plants in lawns, gardens, parks, and […]

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The new thistle you don’t want on your property!

We have plenty of thistles growing in our area and landowners across the region are working hard to combat these prickly invaders.  While most of the thistles growing in our area are invasive, some of them are actually native.  Unfortunately, a recent discovery from eastern Oregon marks the addition of a new invasive thistle to […]

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Purge the surge in spurge!

This past season we have seen a rise in the number of Oblong spurge (Euphorbia oblongata) sites appearing in Clackamas County.  Oblong spurge is a class A noxious weed in the state of Oregon, and eradication of this species is required across the state.  It is known to be highly aggressive and can displace native […]

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