Ask a Question forum→Weeds on rocks.

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Milpitas, CA
Jun 6, 2020 6:30 PM CST
So we have weeds growing in between our rocks. My mom does not want me to dig them up, because we plastic wrap under there. We will be renovating our front yard next year. But we want these weeds gone. My mom wants to call someone to spray them, but I am afraid of herbicide drift killing our other plants, as well as our lemon tree.

So I'm asking if there is any solution that I can spray to kill them. And maybe cover them, and for how long?

Please and thank you!
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Name: Sally
central Maryland
Seriously addicted to kettle chips.
Charter ATP Member Houseplants Keeper of Poultry Vegetable Grower Region: Maryland Composter
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Jun 6, 2020 7:55 PM CST
I was dumb once and sprayed some plants with PAM cooking spray, thinking it was like horticultural oil. The plants got 'fried' in the sun. Could try it, non toxic.
i'm pretty OK today, how are you? ;^)
Name: Bob
Vernon N.J. (Zone 6a)
Charter ATP Member Bookworm Snakes Plant Database Moderator I was one of the first 300 contributors to the plant database! Forum moderator
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Jun 6, 2020 8:18 PM CST
In a stone area like that a weed torch would work well.
Name: sumire
Reno, Nevada (Zone 6a)
Jun 6, 2020 8:21 PM CST
Please do NOT use a weed torch. It is too dry and the humidity too low in California for it to be safe, even in the middle of a pile of rocks.
Milpitas, CA
Jun 6, 2020 8:23 PM CST
I have a torch for soldering copper pipe, but how would that kill the plant beneath the surface. It would be the same as if I just cut the surface part off. It could just regrow from the roots.

I like the idea. But I am sure the weeds would be back in a couple weeks.
Name: Daisy I
Reno, Nv (Zone 6b)
Not all who wander are lost
Garden Sages Plant Identifier
Jun 6, 2020 8:46 PM CST
NJBob said:In a stone area like that a weed torch would work well.

I can see the headline now "MILPITAS MAN BURNS DOWN CITY" Rolling on the floor laughing
Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside, thoroughly used up, totally worn out, and proclaiming...."WOW What a Ride!!" -Mark Frost

President: Orchid Society of Northern Nevada
Name: Dr. Demento Jr.
Minnesota (Zone 3b)
Jun 6, 2020 9:56 PM CST
The plastic under there is useless, doing nothing.
Get a vegetation kill and a two gallon pump sprayer.
pump it up and keep it close, CLOSE , to the ground spraying just enough to make the weeds damp.
Make sure it does not rain for at least 24 hours after and the weeds will die.
Now it is not one and done with weeds in rocks like that as seeds will still be there so this could take some time to totally get rid of them.
Milpitas, CA
Jun 6, 2020 11:23 PM CST
Lol sumire.
I don't use a torch w/o a full water bottle and a soaked towel near me. And I poke a hole in cap so it can double as a sprayer!

Plus, I don't see how it would work anyways.
Milpitas, CA
Jun 6, 2020 11:26 PM CST
Yeah, we know now how useless rocks and plastic are!

The previous owner had them before we moved in, in 2005.

But we would've done it anyways because we didn't know. But NOW we know! Haha

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