First you notice the color, then you notice the fragrance when you visit the gardens surrounding the home of Barbara and Howard Sperry on Ashland Ave. in Niagara Falls. Sometimes Barbara likes to shake the lavender and other plants to better enjoy the aroma. The Sperrys shared their garden, along with many gardening tips, during the Historic Niagara Falls Garden Walk on Saturday, July 16. The event was presented by the Main Street Business and Professionals Association. Arts in the…