hypericum shoots

How can I stop the hypericum roots spreading around the lawn?

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2 Comments To "hypericum shoots"

#1 Comment By theficuswrangler On 07/20/2014 @ 8:13 pm

Here are some suggestions: https://www.gardeningknowhow.com/edible/herbs/st-johns-wort/controlling-st-johns-wort.htm ^[1]

#2 Comment By rvmirfield On 07/22/2014 @ 6:40 am

Thank you for your help. I hadn’t realized just what a potential future problem when enjoying it’s flowering period. It’s a hidden time bomb waiting to explode. Have now treated all the roots that are rapidly appearing with “Roundup weedkiller gel” . (Glyphosate 7.2g/l).

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