In this photo from May 29, 2014, Juliette Low, left, and her sister Natalie Low, water plants at the Benson community garden in Omaha, Neb. State Sen. Burke Harr of Omaha wants to expand the use of community gardens in urban areas. He is launching a study this summer to try to make it easier to start community gardens, possibly by allowing them to grow on public land. (AP Photo/Nati Harnik)(AP Photo/Nati Harnik)