What is the best way to eliminate QUACK grass from my lawn?
Question:The lawn care company that fertilizes my yard says that I can choke the Quackgrass out by planting more grass seed...eventually running the undesireable grass out. Other resources indicate that using a non-selective herbicide to kill the lawn and start from zero is the best way. The lawncare company disputes that the herbicides don't kill dormant roots of quackgrass and it will grow back after planting fresh grass seed. Thier best solution is to overseed several times over two seasons. None of the options is particularly cheap, so I don't want to trial and error this problem.
Answers:
Unless you want to dig up an entire lawn and resod, there is no effective way of getting rid of quackgrass. Roundup stops it temporarily, but the blasted stuff returns before the end of the year.
You have to get the roots up to the top of the soil to kill them, and the only real effective way of doing this is to till the entire lawn, thus digging up the good grass as well.
start from zero, lawn company just wants your business. i am speaking from experience. overseading is just a theory, no guarantee that this will eliminate the crab grass. I did the overseading I had both crab grass and nice bermuda grass, and it looked awful and uneven.
Ortho Grass-B-Gon Garden Grass Killer
this stuff is awesome and really works, unlike some other crappy products you can get
see the source link below
Grass*b*gon works but kills your turf grass also. I suggest MSMA Crabgrass killer. It can kill the quackgrass without killing your turf grass. And I agree with the first answer too. Reseeding is difficult and slow and there is no assurance that seedlings will crowd out established grass--in fact seedlings normally do lose out to established plants. Kill it with the MSMA and start from scratch. You shoud be able to get MSMA at L&G Centers that carry Bonide products. If they don't carry Bonide ask the tech what product is similar.
A nonselective herbicide like Round-up will kill the quackgrass and turfgrass too--so again I recommend MSMA.
A herbicide containing MSMA will suppress quackgrass. It will grow back from underground rhizomes,but anything you can do to hurt the weed and/or help the desired grass will help make your lawn look better.
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