WEEDS GROWING IN CRACKS - Knowledgebase Question

Lakewood, CA (Zone 10)
Question by shelbysgrand
July 12, 2005
I HAVE SEVRAL CRACKS IN MY DRIVEWAY CAUSED FROM EARTQUAKES.WEEDS WILL GROW UP IN THEM AND I WILL USE MY WEED WHACKER TO KEEP THEM AT GROUND LEVEL.IS THERE ANYTHING I CAN DO TO KEEP THEM GONE PERMENETLY?THANK YOU.


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Answer from NGA
July 12, 2005

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Once you've removed the current crop of weeds (roots and all), you can apply a pre-emergent herbicide which will help stop weed seeds from germinating. If you simply whack off the tops of the weeds, the roots will remain alive and the weeds will resprout. If you can't dig the roots out, apply a vegetation killer (such as Round-Up) to the cracks. Wait the prescribed amount of time (as listed on the label) and then apply a pre-emergent to keep weeds from growing there. Or, you might consider patching the cracks - that would permanently eliminate the problem.

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