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Q.Invasive Perennials

Anonymous added on May 6, 2012 | Answered

My Anemone Japonica ‘September Charm’ is invading my cottage garden. Normally, I use a garden fork to dig out the roots each year, but is there a root barrier solution? How can I find it?

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Certified GKH Gardening Expert
Answered on May 7, 2012

I would recommend digging up as much as you can, then applying either Round-up or boiling water to the area where it was, to kill off any of the remaining roots. Be aware that both Round-up and boiling water will kill whatever plant growth it touches.

You could also implement edging, installing it at least 2-4 inches in the ground to try to keep the roots in bound.

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