Cathy and Mike Godfrey’s most recent front yard landscape project was not their first rodeo. The couple, who bought their Carlsbad house in August 1997 and are empty nesters with two adult daughters, are avid gardeners and DIYers. Twenty years ago, Cathy dug 40 holes to sink posts for the white picket fence that encircles their small front yard. They reduced the scale of the lawn (mostly to discourage neighborhood dogs being walked from pooping on their property) and, for a tropical look, added palms and decorative plants like red fountain grass, which Cathy said they regretted. “It’s beautiful, but maintaining it is terrible. It spreads everywhere,” she said with…