Did you know that almost all of the plants in the Arnold Arboretum begin their lives in the Dana Greenhouses? Get a behind-the-scenes look of the greenhouse growing process, from seed to sprout to seedling to tree. Meet on Tuesday, October 4 at 1 pm at the Bonsai and Penjing Collection above the Leventritt Shrub & Vine Garden. Limited to 15 participants. Free, but registration required by emailing adulted@arnarb.harvard.edu. Image from www.pluslife.minuslife.net.