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Discussion in 'Pesticide & Herbicide Application' started by CMland, Jul 12, 2014.
I like Japanese stiltgrass. it grows in the shade where grass doesn't and is pretty.
The picture in the second post so stiltgrass correct?
This is knotweed:
YES...your pic is japanese Knotweed.
Yes, stilt grass and knot weed are nowhere similar so we can pardon the confusion.
I treat Japanese knot weed same as phragmites.
The both have enormous rhizomous root systems.
Like phragmites, flowering signals the coming end of the plants cycle, building resources toward next year and reproducing. AND sending valuable nutrients to the roots.
I monitor and treat knot weed with systemic glyphosate 3-6 oz gal just prior and during flowering to maximize control.
Like phragmites, monitor the following year for re sprouts that will require treatment before they build their reserves.