Bob Bertog, president of Bertog Landscape Co. in Wheeling and a certified landscape professional with the National Association of Landscape Professionals, joins John Williams to answer all of your lawn and garden questions. Bob reminds us to join him and WGN Radio’s Mr. Fix-It this weekend at Lurvey Home & Garden in Des Plaines, on Saturday, July 18th from 6 AM to 10 AM for Lou’s Keepin’ It Green with Lou Manfredini.