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Old 05-12-2011, 02:58 PM   #16
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Killing Thistles, Crabgrass and other weeds in yard


So, can it be sprayed all over the lawn and not kill the grass? Or do we need to just spray the weeds directly? Will it work on all weeds including dandilions?

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Old 05-12-2011, 03:08 PM   #17
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Killing Thistles, Crabgrass and other weeds in yard


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So, can it be sprayed all over the lawn and not kill the grass? Or do we need to just spray the weeds directly? Will it work on all weeds including dandilions?
2,4-D will not kill grass, unless you dump it on directly - and a lot of it. So yes, you spray it on the whole lawn.

It will kill broad-leaf weeds - everything but grasses - which includes dandelions, thistles, etc. Sometimes it will just stunt the weeds when they're first sprayed, which is why you may want to spray several times.

Just be a little careful. Flowers are also broad-leaf plants. So if you spray your daisies, or petunias, they will die.
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Old 05-12-2011, 03:10 PM   #18
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Killing Thistles, Crabgrass and other weeds in yard


Ok.. thank you very much for all of your help! One last question.. do we need to wear any type of protective gear when doing this?
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Old 05-12-2011, 03:15 PM   #19
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Killing Thistles, Crabgrass and other weeds in yard


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Ok.. thank you very much for all of your help! One last question.. do we need to wear any type of protective gear when doing this?
Well... I never wear any protective gear. Never have. But I'm an old farm boy, so I tend to err on the side of stupidly risky.

You might want to wear latex or rubber gloves. The stuff is not acidic, but why not go ahead and be safe. If it makes you feel better, wear a little white mask for some added airborne protection. Wear boots or shoes, not flip-flops.

Again, this stuff is not highly toxic or acidic, or anything like that. But you might as well err on the side of ultra-safe.


One more thing: If you're using a hand-pump sprayer, don't get the pressure too high, or use a real fine mist from the nozzle. Fine mist (obviously) is far more prone to drift and get on all kinds of stuff. Use a little more of a coarse spray.
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Old 05-12-2011, 03:27 PM   #20
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Killing Thistles, Crabgrass and other weeds in yard


Ok! Thank you so so much!
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Old 05-12-2011, 03:40 PM   #21
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Killing Thistles, Crabgrass and other weeds in yard


I always plan to spray at a time when I will not be mowing for at least 2 or 3 days after application, longer if possible, in order to allow time for the weeds to absob it into their system. Also, you may want to pick up an inexpensive plastic measuring cup as well, just to have set aside for your yard and garden sprays.
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Old 05-12-2011, 08:52 PM   #22
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Killing Thistles, Crabgrass and other weeds in yard


I ended up buying the ortho weed begone plus crabgrass. It had the 2,4-D in it. And we got a sprayer.. we did about half of the yard tonight. I'm wondering when is it safe to let my dog and kids go out and play in the yard again after the application? It shouldn't be a problem to wait on mowing for 2 to 3 days. My husband mowed it last night.

I am also a little nervous that I got a little close to my tomato plants I JUST planted.. will they be ok if they got a tiny bit on them?

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