pat32rf
Veteran Member
Another knot weed grower!!!!
I have a couple of patches that I am trying to kill off (the rest I just let go). About 3 years ago I cut it down, then rooted out any stumps/roots I could find with the back-hoe. I then sprayed Round-up on it as it showed its head, then a few days later (after the Round-up should be absorbed) I would cut the shoots. Last year I just cut the shoots off with a shovel below grade every week or so. This year I have been digging/cutting every DAY or two since it came up in May.
My wife planted a dozen Dahlias in the spot so I can't get the BH in anymore, but if I could, I would. If I let it go two days, then I have the odd shoot that is 18" high. Other than that the shoots get cut/pulled/dug before they can get a leaf unfurled. Sooner or later its GOTTA die off.
I have another patch that I hit with Round-up every week, then chop the sprouts.
Good Luck!
I have a couple of patches that I am trying to kill off (the rest I just let go). About 3 years ago I cut it down, then rooted out any stumps/roots I could find with the back-hoe. I then sprayed Round-up on it as it showed its head, then a few days later (after the Round-up should be absorbed) I would cut the shoots. Last year I just cut the shoots off with a shovel below grade every week or so. This year I have been digging/cutting every DAY or two since it came up in May.
My wife planted a dozen Dahlias in the spot so I can't get the BH in anymore, but if I could, I would. If I let it go two days, then I have the odd shoot that is 18" high. Other than that the shoots get cut/pulled/dug before they can get a leaf unfurled. Sooner or later its GOTTA die off.
I have another patch that I hit with Round-up every week, then chop the sprouts.
Good Luck!