Did you know that almost all of the new 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, on either Tuesday, August 7 or Tuesday, September 4 at 1 pm. Meet at the Bonsai Collection. There is a 15 person maximum. In case of inclement weather, contact 617.384.5209. This activity is free, but please register at https://my.arboretum.harvard.edu/Info.aspx?EventID=10.  Image from www.bostonbirdwatching.com.