How To Prevent Weeds From Coming Up Through Cracks In Driveway

Question From: NEW YORK
Q: Is there a product that will (pre-) sterilize the soil that migrates into the tiny cracks in my driveway that allows weeds to grow? Something I can put in those cracks even before you see weeds appear, as they certainly will?

A: Preen granules will prevent weeds from germinating. Sweep it into the cracks. Best And Happy Yardening, Nancy