TALLAHASSEE, Fla. – Few things in life are as benign as a home vegetable garden. But for the residents of Miami Shores, Fla., growing veggies can land you a fine — the type you eventually can’t afford. That’s what happened to Hermine Ricketts and her husband, Tom Carroll. For the past 17 years they’ve grown a garden in the front yard of their modest South Florida home. The backyard, they say, doesn’t get enough sunlight. But in May, the city put the couple’s garden, and any others like it, in their legal crosshairs. A new zoning ordinance designed to “protect...