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I like to use more "green" products and resort to the chemicals only if I have to. Get a spritzer and fill it with simple white vinegar and on a good hot sunny day, head out doors and start spritzing what ever you do not want to grow. Soak the plat you wish to go away to the cornfield. In a few hours you should notice it not quite as perky as it was earlier. You may have to do it more than once to complete the job. Good thing is, its safe, its fairly quick and its pretty inexpensive. You can add a bit of salt to the vinegar if you wish to make it go faster. Just make sure you coat it thoroughly! Hope this helps you! Good luck!

If it's not too big an expanse of brick, and not too far away from your kitchen door, you can just use boiling water. Put the kettle on, and when it comes to a boil, take it outside and just pour it all over the grass. It will kill it and as an added bonus, give your bricks a bit of a wash at the same time. Be careful if you have plants you want to keep growing nearby, though: you don't want to boil the root systems of plants that you like!

Round up or Spectricide will kill anything growing between the bricks. It will wilt within a few hours and die in a day or two. Just spray when the air is calm so that you don't have any overspray onto surrounding plants. It must be applied when no rain is expected for at least 6 hours and when temperatures are above 70 degrees.

I always use vinegar in the expansion joints of my driveway. It's cheap and doesn't have all the toxins in Round-up.

On the side walk I have always used Wipe Out, or Killex but if you want to go green use a mixture of hot water and salt , these Will work on walks and walls.

I use a chemical called ROUNDUP....safe and harmless but gets the job done perfectly.

Pour salt on it. The grass will die

two ways, either with a knife or something called pathclear, u should be able to get it from a gardencentre