Quote:
Originally Posted by CroFlames
I think landscape fabric prevents weeds from growing up out of the ground.
However, because fabric is permeable, weeds can grow on top of the fabric and the little wispy roots can penetrate it.
I've seen this first hand in my own yard with professional landscaping and rock beds, not mulch. The tiny amount of dirt on the rocks, or dirt that blows in from the environment is just enough for a weed to grow and the rocks give it support. The weeds are weak though, and you can pull em or spray em, and the beds will look immaculate.
Like someone else said, a weed can grow in the expansion joints of a sidewalk or driveway. That's why they are weeds.
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That's right. You may get 0.5% of the weeds versus no fabric at all. Organics will build up slowly (or in super speed if you're a mulch-dope). Just give them a spritz of weed killer as needed, but the big thing is to take a blower to your beds when you do your fall clean up to get rid of the organics that settled on the top. Another reason why you want to use rocks versus mulch...mulch you'd just blow off if you did that. Rock will stay put as you blast away dust, pine needles, etc.