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Old 02-14-2019, 07:00 PM
 
1,053 posts, read 1,013,158 times
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Someone told me that vinegar would get rid of some little weeds cropping up. But how does that work? I assume cheap white vinegar is fine, but do I spray or what? Do I use it full-strength or dilute it? Does it just kill the leafy part above-ground, or does it kill the roots?

The weeds have been getting me in trouble with my homeowner's group, but I'm trying to avoid using serious pesticides (my neighbors are urging me to use Roundup). It happens to be in an area with mostly rocks, so it's not a matter of hurting other plants.

Thanks in advance for any explanations.
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Old 02-14-2019, 08:02 PM
 
480 posts, read 210,490 times
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I've had success using cleaning strength vinegar which is stronger than regular vinegar. It needs to be applied, full strength, on a warm, sunny day.
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Old 02-14-2019, 08:23 PM
 
Location: S.W. British Columbia
6,609 posts, read 6,165,228 times
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Yes, I've used it as a spot spray and it works well, you must combine vinegar, salt and dish soap for very best results. Here is the recipe and further information about it is at the posted link:


Natural Weed Killer
  • 1 gallon white vinegar
  • 1 cup salt
  • 1 tablespoon liquid dish soap
  • Combine ingredients and stir well until all the salt is dissolved, put in a spray bottle and treat weeds at the sunniest time of day for best results.
Instructions: https://www.hgtv.com/outdoors/garden...al-weed-killer

.
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Old 02-16-2019, 11:05 AM
 
Location: The Driftless Area, WI
2,397 posts, read 835,388 times
Reputation: 4915
Quote:
Originally Posted by Zoisite View Post
Yes, I've used it as a spot spray and it works well, you must combine vinegar, salt and dish soap for very best results. Here is the recipe and further information about it is at the posted link:




Natural Weed Killer
  • 1 gallon white vinegar
  • 1 cup salt
  • 1 tablespoon liquid dish soap
  • Combine ingredients and stir well until all the salt is dissolved, put in a spray bottle and treat weeds at the sunniest time of day for best results.
Instructions: https://www.hgtv.com/outdoors/garden...al-weed-killer

.

Hannibal salted the Romans' fields to try to starve them to death. Progressive salinization is the death sentence for irrigated fields.


I'd just use RoundUp- a whole lot safer and effective. The beauty of RoundUp is its quick action on the roots and quick degradation & elimination from the environment, Info- impoverished TreeHuggers notwithstanding.


I just gave you an accidental click for rep points, but that's OK because you have so many good posts that usually won't allow me to rep you again too soon. I still owe you a few ;-)
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Old 02-16-2019, 11:09 AM
 
Location: Southwest Washington State
20,350 posts, read 13,364,641 times
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Yeah, don’t salt any soil you want to grow anything in, ever.
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Old 02-16-2019, 11:56 AM
 
Location: S.W. British Columbia
6,609 posts, read 6,165,228 times
Reputation: 12259
Quote:
Originally Posted by guidoLaMoto View Post


Hannibal salted the Romans' fields to try to starve them to death. Progressive salinization is the death sentence for irrigated fields.

I know. Salting the land is an ancient tried and true method of killing soil that has been resorted to by invading warriors in many civilizations. A lot of dry rock salt has to be used to accomplish the goal. Have you ever noticed how when roads get salted in the winter there is never enough of it put down that it ends up stopping weeds from growing at the sides of the roads the next spring and summer? You really need a LOT of dry salt put down for it to kill soil.

But the OP doesn't want to salt irrigated fields and starve anyone. The OP wants to spot spray vinegar onto a few weeds growing up out of some rocks in the front yard at their house. The amount of salt called for mixed with full strength vinegar sprayed into the rocks isn't going to be enough to kill all the neighbourhood's front lawns and flowerbeds and starve out all the neighbours in the HOA.

Thanks for the compliment and the accidental rep.


Voebe, most of the time I just slice below ground or pull weeds' roots out of the ground where it's easy to do so, but I have sometimes used that solution for spot spraying onto the leaves of weeds growing in hard to reach places or where pulling stubborn roots up is impossible for me.

My most frequent use of it though has been to kill weeds and mosses that were growing up between patio, sidewalk and driveway flagstones, and weeds and dogtooth ferns that were growing on top of a flat roof covered with drainage rocks and destroying the rubber membrane beneath the rocks. It kills the weeds that are present but after a few months to a year more weeds will start to come up between the flagstones and rocks again, so a repeat application will have to be made. The fact that more weeds will come up again after a few months tells me that the soil is still viable and that it's the weeds that were killed and not the soil.


.

Last edited by Zoisite; 02-16-2019 at 12:08 PM..
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Old 02-16-2019, 05:31 PM
 
2,933 posts, read 1,128,312 times
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I have a crack where my driveway meets the road and all kinds of weeds grow through there. I use plain white vinegar, undiluted, and they all turn brown and die. You might have to pull the corpses out if yours are large enough to see among the rocks. I pass my weed whacker over the spot and I'm good.
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Old 02-16-2019, 06:07 PM
 
2,025 posts, read 2,366,084 times
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I don't add salt but I've found if you spray a few days in a row when the sun is blazing hot, the weeds are killed.
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Old 02-16-2019, 06:21 PM
 
Location: the Red part of New York
36 posts, read 10,042 times
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Last summer I found an old axe head that was heavily rusted, so I put it in a plastic bowl and soaked it in white vinegar and left it outside for a few days. It did a great job cleaning it up, and when It was done I walked down my steps and without thinking I dumped the vinegar into the grass in my yard.

I found that it works very well killing plants.
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Old 02-16-2019, 06:58 PM
 
10,219 posts, read 14,706,607 times
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Yes, vinegar works just fine. 10% solution. What means - you mix 50%, just in case.
Cheapest to buy was at Sam's double pack, 2 gallons.
Realize, that vinegar does not differentiate and kills any growth. It's basically natural Round Up.
Also, you can go to Home Depot and buy 50Lb bags of salt for water purifiers. 5-7 bucks. Buy the blue bag, not the green one. Generously spread salt anywhere you do not want anything to grow. usually, along fences, walkways, etc. Of course, not when it's raining non stop. It pretty much works for a year. Nothing grows.

Saturated salt solution also works. Takes a bit longer and does not act as long.
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