Quote:
Originally Posted by BWillie
Well I have a big rock planter that runs along the back of my house. Then I have a trellis and walk way that goes along the side of my house where I do not have grass on that entire side of the home. It's just a mixture of small trees, shrubs, and natural grasses. But last summer it started to get over run by weeds and I could not control it.
The rock planter seems like it would be the easiest thing to clean up, figured I would just put weed mat down and put in new rock since no plants are in there anyway, but i can't keep up with all the weeds elsewhere. No worry in my yard area though. Just put pre emergent down and have been all good there. I've tried roundup on the weeds but it doesn't seem to kill them very well and the stuff you buy at Lowes or Home Depot doesn't go very far.
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If you're going to leave it bare get primatol.
If not loochys solution is the way to go. Heat it up. Some phenoxy herbicides would help. Those are 2-4D or Dicamba. If you cant get those get weed b gone concentrate and add it to the mix. The phenoxy herbicides make it grow fast (faster than it can support and kills it). Don't use the full rate but supplementing glyphosate with a phenoxy will allow it to translocate to the roots faster.
Odds are the glyphosate you end up with will have the appropriate adjuvants but adding some non-ionic surfactant will help. If you can't get it add a little dish soap.
Early is better if you can nuke it before it gets established it will be easier to kill.
Glyphosate and phenoxy herbicides won't have any residual, meaning it won't stop new weeds from coming. Primatol will. But if you're going to plant anything else it will kill it too.