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Preventing and Killing Weeds Between Bricks

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

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February 28, 20053 found this helpful

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

By imaqt1962

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May 6, 20051 found this helpful

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

By Bobbie

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August 17, 20060 found this helpful

Question:

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

Answer:

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.
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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.

Ellen

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July 6, 20171 found this helpful

Weeds can easily take hold in the cracks between paving stones. This is a guide about keeping weeds from growing between pavers.

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Questions

Ask a QuestionHere are the questions asked by community members. Read on to see the answers provided by the ThriftyFun community or ask a new question.

April 28, 2008

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

Answers

April 29, 20080 found this helpful

I've always used plain salt in cracks to prevent growth of weeds. Don't put the salt near anything that you do want to grow, though, because it will kill plants, too.

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April 29, 20080 found this helpful

I use boiling water straight from the kettle. If you get the boiling water on the area before there are seeds from the grass, it will kill the grass longer. But most seeds are air borne so don't expect this or any method to work forever. Just take the kettle out with a long extension cord, a hose to fill it and you are off and running!

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April 29, 20080 found this helpful

If your looking for a chemical weed killer use Roundup it will kill anything it touches right down to the root. Follow directions on bottle, don't use if expecting rain.

If you are looking for something with the same effect as roundup, but not harmful to children or animals, use vinegar and salt. Buy a 4 litre jug of vinegar, take out 1 cup of vinegar add 1 cup of salt to the jug and shake. When the salt has dissolved you can add the cup of vinegar back to the jug and shake again.

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This will kill anything down to the root also. Make sure you don't spray any plants you wish to keep.

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By guest (Guest Post)
April 30, 20080 found this helpful

I think roundup now has a kind that will prevent weeds from returning for up to 3 months. I saw it at wal-marts.

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May 3, 20080 found this helpful

I also use boiling water. It doesn't harm the earth and has no lingering residue. It works on every weed or plant.

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May 4, 20080 found this helpful

Plant No-Mow grass seed in the cracks and then you won't have to do any maintenance. I heard Barbara Damrosch talk about No-Mow lawns on Martha and I found listings of it when I searched online. Treehugger has an article about No-Mow seeds. I won't use boiling water because I hate boiling worms in the soil underneath. Many of God's creatures, grow in soil! YIKES!

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By guest (Guest Post)
May 8, 20081 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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By guest (Guest Post)
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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By guest (Guest Post)
August 19, 20083 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!

Reply Was this helpful? 3
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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September 16, 20120 found this helpful

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

By A. Laverick

Answers

September 24, 20120 found this helpful

If you want something "green", full strength vinegar is the cheapest and best way. Try not to use the chemicals unless absolutely necessary.

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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
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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By 0 found this helpful
September 20, 2016

How do you get rid of weeds between patio bricks?

Answers

February 1, 20170 found this helpful

Aside from breaking it up, or spraying with Round Up, you can make a home made vinegar solution or do what I did: pour boiling water on them. This will kill it down to the root, and then it will be easy to rake away.

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By 0 found this helpful
June 21, 2013

I"ve got some plants/weeds starting to come out of the mortar on my brick chimney. It was retacked about 12 years ago when I bought the house. I didn't use the fireplace this year or last and wonder if that has exacerbated the problem. I've read that salt erodes mortar, so I don't want to use that. What should I use? A mild herbicide?

By Andrew

Answers

August 4, 20131 found this helpful

Why not just make a fire in the fireplace? By the way, there is no such thing as a "mild" herbicide. They are all toxic to your environment.

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By 0 found this helpful
May 29, 2013

I have lovely green moss of some kind volunteering in my sandstone patio in the hot, afternoon sun. Unfortunately I also have dandelions and other weeds cropping up, even right in the midst of the moss. Can I kill the weeds without killing the moss, and if so, how? Pulling the weeds is a full-time job!

By Julie L.

Answers

June 3, 20130 found this helpful

You are just going to have to bite the bullet here. Most broadleaf weed killers will also damage and perhaps kill the moss. You might take a sample of the moss to your local nursery or Cooperative Extension agent to an accurate identification, and then look for a broadleaf herbicide that says it is safe for your particular moss.

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