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Kill Weeds with Hot Water

By DigginDirt
July 25, 2016

No need for chemicals. Use boiling water to kill those weeds.

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Name: Dnd
SE Michigan (Zone 6a)
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DogsNDaylilies
Jul 24, 2016 6:05 PM CST
My mother in law was telling me about this method earlier in the year, so I used it for the clumps of grass growing up through the cement in the walkway. It does kill the grass, that's for sure. I haven't tried it on weeds because I would need to boil about 500 gallons to conquer that task, but I'm willing to bet it works on them, too. Thumbs up
Name: Greene
Savannah, GA (Sunset 28) (Zone 8b)
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greene
Jul 24, 2016 6:18 PM CST
Thank You! Yes, it works. When I was a kid my mother used boiling water to kill weeds...and also to kill the wimpy ants in Connecticut.
Hurray! Hurray! Hurray! Three cheers for no chemicals and no residue. Thumbs up
Sunset Zone 28, AHS Heat Zone 9, USDA zone 8b~~"Leaf of Faith"
Name: Bonnie Sojourner
Harris Brake Lake, Arkansas (Zone 7a)
Magnolia zone
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grannysgarden
Jul 24, 2016 6:59 PM CST
My mother used this method and I have always kept my paths clear by using boiling water. Once you start doing this it becomes a frequent small garden chore and you can kill weeds and grass a little each day. I find this weed control method, using no chemicals, and at no expense, great for my garden philosophy.

However, it is very important to remember not to carry boiling water around small children or darting animals.
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Name: Der Thomaskantor
Massachusetts (Zone 6b)
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bwv998
Jul 24, 2016 8:11 PM CST
Can hot water kill Canadian horseweed? Hilarious!
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Name: Ann Schatzinger
(Zone 6a)
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Anndixon
Jul 25, 2016 4:41 AM CST
I am so going to do this today on a brick area that I have! Thanks!!!
Name: Christie
43016 (Zone 6b)
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cwhitt
Jul 25, 2016 8:20 AM CST
That sounds like a good idea. I think i will try it. Living in a condo, I don't have that many weeds, so it is entirely doable. I would think that in place of using a "collar" to protect nearby plants, I could also just use something like holding a trashcan lid vertically between the two to protect desirable plants. Yup, next time I see a prickly thistle growing that i don't want to touch/pull up with my hands, I will certainly use this method -- thanks! I tip my hat to you.
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Name: Dnd
SE Michigan (Zone 6a)
Dog Lover Daylilies Organic Gardener Houseplants Celebrating Gardening: 2015 Garden Ideas: Level 1
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DogsNDaylilies
Jul 25, 2016 8:28 AM CST
cwhitt said:That sounds like a good idea. I think i will try it. Living in a condo, I don't have that many weeds, so it is entirely doable. I would think that in place of using a "collar" to protect nearby plants, I could also just use something like holding a trashcan lid vertically between the two to protect desirable plants. Yup, next time I see a prickly thistle growing that i don't want to touch/pull up with my hands, I will certainly use this method -- thanks! I tip my hat to you.


That is what popped up ALL over my yard this year. I think, thanks to the decline of our grass, the thistle saw an opportunity and took advantage of it. I have two different types of prickly weeds popping up all over my garden...one I'm pretty sure is thistle, and the other looks vaguely like a spiny, owwie version of a dandelion.
Name: Bob
Clayton, NC (Zone 7b)
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DigginDirt
Jul 25, 2016 1:24 PM CST
I occasionally manage to leave my garden hose in the yard rather than rewinding it back into its reel box. Although it is not boiling it IS painfully hot so I sometimes spray the hot water on places I want to kill weeds (the edge of the lawn where it comes to the raised beds is one of my favorites lately). I have to pay attention to the temperature of the water so I can't get a big area, but it's a nice use for the built up heat and something "to do" while waiting for the water to cool down. My problem is remembering to do that instead of just aiming the nozzle into the air to let the water cool as it falls to the ground.
Name: Jeanie
Minnesota (Zone 4a)
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foraygardengirl
Jul 25, 2016 2:59 PM CST
Boiling water works very well on anthills but I haven't yet tried it on weeds. Sounds like a wonderful idea.
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Name: KadieD
Oceania, Mariana Islands (Zone 11b)
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Rainbow
Jul 25, 2016 3:33 PM CST
Hey...next time I boil eggs I'll pour the hot water onto weeds instead of down the sink drain. Thanks for the tip! Thumbs up
Lititz, PA (Zone 6b)
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Sequoiadendron4
Jul 26, 2016 4:37 AM CST
It does work, I use this method in the spring when it's too cold for Round Up to work effectively.
Name: Bob
Clayton, NC (Zone 7b)
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DigginDirt
Jul 26, 2016 6:58 AM CST
I hadn't thought of water from boiled eggs Kadie! I'll use the water from boiled potatoes and pasta next time, too! Thanks!
Name: Dnd
SE Michigan (Zone 6a)
Dog Lover Daylilies Organic Gardener Houseplants Celebrating Gardening: 2015 Garden Ideas: Level 1
I helped beta test the first seed swap
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DogsNDaylilies
Jul 26, 2016 9:01 AM CST
Kadie and Bob, I love your style...using water that you're boiling anyway to conserve water and electricity or natural gas. Nice! Thumbs up

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