Does anyone know how to eliminate this invasive "perennial"? Roundup has
little effect......constant pulling seems to increase it....its all over
my daylily bed so I cannot do major damage to the soil.
If you keep cutting it off at the soil line, eventually it will stop
growing because it won't be able to photosynthesize. You must be
dilligent about it. Not one leaf can get above soil. It can take a
few years, but it can be done.
Thanks for the cutting advice..while trying to dig some of it out, I
noticed how deep its root/runner system went...over a foot
down!......nurseries that sell this weed as a perennial ought to have
their license taken away.
Well, actually I think it's up to the customer to do some research,
but you have a point. There are a lot of people who are not
gardeners, necessarily, and who would find this to be a beautiful
plant. The only safe place for it is in a hard side pond as water
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