April 10, 2012: James Gagliardi, who is in charge of the butterfly garden and the new bird garden at the National Museum of Natural History, presented a program on incorporating edible plants into landscape gardens.
April 7, 2012: Member Bob Fuller participated in the annual azalea clean up at the U.S. National Arboretum. Though threatened with "deaccessation," the azaleas during their bloom attract more visitors to the National Arboretum than any other event.