bell 3,583 Posted June 9, 2015 Report Share Posted June 9, 2015 I had a boat load of it growing when I bought my place a couple of years ago. Hit it with glysophate and grazon 90 and this year only had two small patches appear. Just got to keep hammering it and eventually it will go. 1 Quote Link to post Share on other sites
Waz 4,249 Posted June 9, 2015 Report Share Posted June 9, 2015 Bought a place a couple of years ago that had a small amount of it, sprayed it off at the end of summer with roundup. Burnt what died and pored neat roundup in the hollow stumps, next year repeated and nothing since (1 year). Quote Link to post Share on other sites
walshie 2,804 Posted June 10, 2015 Report Share Posted June 10, 2015 We got rid of ours in a couple of months. We sprayed it with glypho and poured it neat down the thicker stems. Once it had died off, we dug it up, including a lot of earth round it to stop the rhyzomes spreading and burnt the weed and earth. Nothing ever came back. Quote Link to post Share on other sites
David Aiken 253 Posted June 10, 2015 Report Share Posted June 10, 2015 Had to deal with it many times. Best way is keep cutting it with mower it goes But other way is heating oil down the stem It will go if you keep on it Any "heating oil" which contaminates the area is a no no Quote Link to post Share on other sites
David Aiken 253 Posted June 10, 2015 Report Share Posted June 10, 2015 https://www.rhs.org.uk/advice/profile?pid=218 Quote Link to post Share on other sites
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