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Solutions for Grass Growing in Pavement Cracks

Category Grassy Weeds
Grass growing in the cracks of your drive or walkway can mar the appearance of your home and landscaping. This is a guide about solutions for grass growing in pavement cracks.


Share on ThriftyFunThis guide contains the following solutions. Have something to add? Please share your solution!

January 15, 2009

This is sort of a garden tip. When doing your yard, mowing, weeding, etc. you find you have grass/weeds growing in the sidewalk. It is such a pain to crawl along or bend over pulling them up with TOXIC chemicals. Fill a sprayer with vinegar and go at it.

A couple days after spraying, they will be dead! Just sweep them away! I find this works if I am spot spraying area of weeds in the yard. I do not like chemicals and straight vinegar helps with so many yard spots. Rinse your bottle out after use.

By Joyce N. from Benson MN

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January 16, 20090 found this helpful

As someone mentioned previously, salt also works, but use it ONLY on areas where you don't want anything else to grow; it will spot up your lawn for a long time, so use with caution. Much better than toxic chemicals, though! Thanks for the tip.

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November 9, 20041 found this helpful

Grass in sidewalk cracks? Plain old table salt will do it. Just pour a generous amount anywhere you don't want grass. Careful though it will kill most other plants too.

By Tracey

Comment Was this helpful? 1
March 8, 20050 found this helpful

Add some white vinegar with the salt for the bigger, tougher weeds. Works every time. It's safe to use in areas where there are pets and small children, and much more economical than some of the famous 'weed killers' on the market.

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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.

1 found this helpful
September 3, 2007

How do I kill grass growing in driveway cracks?

Ernest from Kansas City

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September 4, 20070 found this helpful
Best Answer

I've used a mix of equal parts vinegar and water in a spray bottle. I've also added a little bit of dishwashing liquid to help the mix stay on the weeds. Works well, they usually come back eventually, but it's easy to respray them each time.

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September 5, 20070 found this helpful
Best Answer

Instead of nuking the dirt every so often, getting trapped into a routine, go to your home center for a patching material and glue the cracks shut!

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September 5, 20070 found this helpful
Best Answer

I have been using plain boiling water. It really works. Have been doing this for a few years.

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September 4, 20070 found this helpful

Yup on the ole White Vinegar. Got the idea from previous suggestions on this great list, have used it straight from the cheap, cheap supermarket gallon jug. As also stated in previous posts, the sun and vinegar kill off all of the weeds. Do it morning, let the sun bake it in, I was picking out dead weeds that night. Had to soak the larger clumps of grass (tried to conserve the vinegar), but gone now.

Great suggestions from those that know.

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May 5, 20160 found this helpful

Pour vinager in between cracks

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April 22, 20150 found this helpful

How do I kill grass on the drive?

By Leslie

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April 23, 20150 found this helpful

I don't use any pesticides since I think they harm the earth and things that live on it. But I heard some folks use a small torch (either propane or a lit stick) to burn the grass. It doesn't come back they said.

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April 30, 20152 found this helpful

Weed Be Gone

1 Gal. white vinegar

2 Cups epson salt

1/4 Cup Dawn dish soap

Mix and spray after dew evaporates. Never use harm full chemicals again.

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April 30, 20150 found this helpful

Sorry folks, forgot to put 1 gal. water in the recipe for weed be gone.

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August 12, 20160 found this helpful

If that is true, then why does the forest re-grow after a forest fire?

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0 found this helpful
May 26, 2009

We have a concrete floor in our garden, some of it is a foundation of a previous building and quite deep. There are several cracks in the concrete where there is grass and weeds growing.

We want to put tiles on the whole floor, however we are not sure how to stop the grass and weed growth in the concrete for good. We want to be sure that the grass don't grow in cracks once we have tiles layered on top of concrete and eventually cracking the tiles too.

We are not sure using weed killer in the cracks will stop weeds growing in the future. How about laying a membrane on top of concrete and then putting another layer of concrete and then tiles, will that stop grass growing in the cracks ?

A third suggestion was putting glue in the cracks, will that stop grass growing through cracks? We tried filling the cracks with some cement mixture, but the grass still grew through minor cracks. Any suggestion will be very much appreciated. Thanks in advance.

Hardiness Zone: 10b

By s1d from London

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May 26, 20090 found this helpful

You may need to try several things to get the job done. Spray or pour on straight vinegar, let that do its job. Then use something pointy, like a small hand garden trowel, to dig into the cracks and pull out that dirt and dried grasses. Then fill in with sand bought from walmart, or home supply store. Tamp down really hard. My husband has used this method, and then filled it in with that expanding spray foam sealer, then when it was dry, cut it off even with the surface of the concrete before putting down whatever you want to lay over.

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ThriftyFun is one of the longest running frugal living communities on the Internet. These are archives of older discussions.

May 26, 20090 found this helpful

If you have pesky grass growing up through cracks in your concrete driveway or patio, just douse the grass with straight vinegar. It will kill the grass.


Grass Growing in Cracks in Concrete

Hi There! Thanks! I thought about bleach but was afraid to use it. I was afraid it would discolor the concrete. (08/03/2004)

By aeromama

Grass Growing in Cracks in Concrete

Wouldn't it be cheaper and easier to just spray it with Round-up? On the acreage I use a lot of Round-up to keep grass where I want it and not where it wants to be. (10/13/2004)

By valleyrimgirl

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