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Question:

The grass keeps coming back in my flower bed even after using two sheets of black plastic and mulch?

I'm tired of pulling grass out of my flower bed, I have put two layers of black plastic down and mulch and I have sprayed it with a safe against shrub grass killer. Please help!

Answer:

Maybe your mulch contains weed seeds? Maybe your mower has been shooting them into the garden? You can try using the pellets that you sprinkle into the beds like preen that also has flower fertilizer and weed controller.
you should have used whats called landscaping fabrics before you position down the mulch.i might want to rake each and each and every of the mulch out and positioned it down then replace the mulch.there is not any longer something you could positioned on it that you do not chance killing a number of your flora.maximum gardeners not in any respect use a herbicide in there gardens hence.the cloth will reduce the grass off an no longer enable it improve up threw the mulch.Sorry you probably did'nt ask this faster.sturdy luck
You may have a type of grass that is growing over your edging. First I would be sure that you keep a crisp edge 2-3 inches deep between the lawn and the shrub border. Too much mulch over the fabric can create a place for grass to seed as well, I would think about a non-organic mulch like stone or gravel.
Yes, grass will rear its ugly little head even with black liner, mulch etc...Just when you see weed, pull it. I have my kids even pulling weeds now because they know they are not supposed to be there. If you do it every morning, you'll get a hanle on the weeds and you'll be okay and weed free.

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