Bring your special canine friend all dressed up in his or her finest to Heritage Farm for the third annual canine costume contest followed by a butterfly release. Two divisions -- one for youngsters up to 16 and one for everyone older. Free to enter and fun to parade around Heritage Farm during the farmers market. Then join in a butterfly release from the butterfly garden at the farm, 4613 Laurel Road. The farmhouse museum will also be open for tours.