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Preventing and Killing Weeds Between Bricks

Seeds will land and germinate in your brick driveway, walkway or patio. This guide is about preventing and killing weeds between bricks.

Weeds Between Bricks
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August 17, 2006 Flag
0 found this helpful


I have brick around a pool. I have children that play around my pool. Grass and weeds are growing from the cracks. How do I kill the weeds? The children are bare foot and I also have a possible run off. I am afraid to use anything toxic as I might harm my children.

Any suggestions?

Jim from Churchville, PA


Jim, If you're looking to avoid run-off and protect your children's bare feet, your best options are hand pulling, pouring boiling water on the weeds or using a propane torch to singe them. Many people might suggest using a solution made from 1 gallon of vinegar (regular 5% distilled vinegar found at the grocery store), 1 cup of salt and 1 teaspoon of liquid dish soap. I wouldn't. Because this is a pool area frequented by bare feet, I would stick to a non-chemical solution. Vinegar can be mildly irritating to the skin of some people (even in low 5% concentrations). Also, using vinegar repeatedly on concrete in a sunny area will cause it to degrade over time. Finally, with both the salt and vinegar there's a chance of run-off. To hand pull the weeds, wet the area first and use a small shovel to make sure you get the roots out. Place some shredded newspaper followed by some sand or small rocks in the cracks to prevent the weeds from re-sprouting. Pouring boiling water or burning the weeds with a torch will work fine, but those methods may require several attempts before you can safely say you've accomplished your goal.

Young kids love to pull things so get them involved. You might want to throw a "weeding party" which ends with a rewarding dip in the pool.



May 6, 2005 Flag
1 found this helpful

To keep grass from growing between bricks, or cement sidewalk cracks, sprinkle the spaces with salt.

By Bobbie

February 28, 2005 Flag
3 found this helpful

Vinegar can kill weeds and grass when poured full strength in cement driveways or brick walkways.

By imaqt1962

September 16, 2012 Flag
0 found this helpful

What is most effective way to kill weeds that keep growing through my patio?

By A. Laverick

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September 24, 20120 found this helpful

Boiling hot water, kills the plants it's roots and any seeds in the ground cheap and easy.

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September 24, 20123 found this helpful

Boiling salt water is the quickest, safest and cheapest way to kill weeds in a walkway or patio. Just bring a large pot of water to boil and add 1/2 to 1 full container of salt. ( I use the cheapest kind I can find). Once the salt is completely dissolved use a pitcher to pour the water into the cracks were the weeds keep growing, after a few hours you can pull out the wilted, dead weeds.

I pour salt into the sidewalk cracks periodically throughout the growing season, especially after a rain storm. The saltwater dehydrates any roots under the walk and the straight salt keeps any roots from coming back. This is safe to use around children and pets, and won't hurt the environment. I even use it on the walkway between my flower beds and it doesn't hurt any of the established plants.

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Anonymous Flag
April 9, 20160 found this helpful

Adding a little vinegar also to it d

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August 4, 20160 found this helpful

I would not use boiling water on a patio extreme heat and or cold will damage the patio stones and cause them to crack or bust apart over time

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September 19, 20160 found this helpful

White or cider?

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April 28, 2008 Flag

What can I use in my brick driveway, to keep the grass and weeds from growing in between the bricks? I would like to use a product that would keep the plants away for at least a year. Is there a product that will do this? I do know how to kill the plants, but want something that will prevent them from growing!

Hardiness Zone: 6a

Sharon from Southern Illinois

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May 8, 20080 found this helpful

I save used water from boiling vegetables and pasta, and pour on them. Save energy and eco friendly.

Editor's Note: Make sure it is still very hot.

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May 14, 20080 found this helpful

I live in Montreal Canada, and had the same problem.

HOME DEPOT here sells a fine sand called MAGIC SAND, you spread it on your bricks, brush it on the bricks so it fills in between them, then use a hose with a fine mist spray of water to wet the sand, it then hardens like a joint compound and stops all weed growth.

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August 19, 20081 found this helpful

In regards to Roundup, please look into the kind of company you're promoting. Terminator technology is not good for the Earth, I don't care if you're liberal or conservative. Lots of abuses by Monsanto--I will never support them or buy another one of their products.

That said, I'll try the salt and the magic sand, both sound good!

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March 19, 20090 found this helpful

I believe the original requester wanted no grass, not short grass. In the winter, vegetation on the driveway contributes together with ice to slipperiness.

Roundup isn't the only option. A second's Googling for grass killer turned up a green (oxymoron given the purpose?) product called BurnOut, a concoction of lemon juice, vinegar, and clove oil. Have no idea how well or how long it would work, since clove oil is volatile and the acids would rinse away. Or, there's another synthetic product called Preen, and another one called Remuda and another one called Spectracide. Plain old salt would probably be the "greenest" long lasting option. Or have some fun every few months with a Dragon's Breath torch and a tank of propane.

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July 20, 20160 found this helpful

It doesn't work

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July 12, 2011 Flag
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How do I keep weeds from growing between block paving?

By Irene

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July 15, 20110 found this helpful

Try spraying with vinegar, but keep away from grass or any other plants, as it will kill them as well!

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July 22, 20110 found this helpful

The best thing to do is to pull up the pavers, pull all the weeds being careful to get the roots. Next lay down thick plastic sheeting (Visqueen, a thick tarp, an old heavy duty vinyl tablecloth or shower curtain), then replace the pavers, and brush sand or dirt into the spaces between the pavers.

Weeds and moss will still try to grow in that tiny bit of sand or soil of course, but won't have deep roots because of the plastic barrier, so they will be easy to pull.

You could use cement mortar in between the pavers, but it won't completely eliminate the potential for weeds and mosses growing up between the pavers-as time goes by, soil will accumulate no matter what, and you will have to do some spot weeding especially if your mortar has cracked due to time and weather.

I live in the UK now, and have just found the most amazing tool in the plant nurseries here! It's a wire brush on a broom handle. It is very narrow at the business end, the bristles taper together to fit in between the pavers. Apparently you just stand there and scrub the weeds away. I'm not spending £15 on it, though. Instead I'm going to see if the side of a wire brush we already have works-if it does, good bye weedy pavers!

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July 6, 20161 found this helpful

Re. wire brush, works like a dream for a few days, but wire soon just wears away, used my husband's quite expensive wire brushes next, soon wore out, I was not popular

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August 29, 20160 found this helpful

Dear Frugal,

The problem with weeds growing within the pavers is that they don't grow underneath but they grow in between the pavers. If you can find a solution to this problem then my friend you have the problem solved!

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September 8, 20160 found this helpful

You can get these in b&m for a fraction of the price, around 2.99 or £1 for a short handled version. They also have a sharpened metal part to help scrape out any stubborn weeds

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May 11, 2010 Flag
0 found this helpful

How do I stop weeds in my flower beds? I pull them up, turn the soil over, and within two weeks they are back with vengeance.

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