Tour gardens during the Lewiston GardenFest. Photo courtesy Lewiston GardenFest The first garden walk of the season, the Lewiston GardenFest, will be held take place from 10 a.m. to 5 p.m. Saturday, June 15 and Sunday, June 16 along Center Street in Lewiston. The event is held by the Lewiston Garden Club. “Part of the fun is that we offer plenty of ideas, no matter what level of gardener you may be,” said Mary Ann Yates, Lewiston GardenFest chair. “Gain inspiration from our open gardens and speakers,…