Butterflies + Plants: Partners in Evolution - (ongoing)
This exhibit, located at the National Museum of Natural History, features an interior Butterfly Pavilion. The Pavilion showcases multiple species of tropical butterflies as well as over 250 nectar and pollen producing plants in an enclosed climate-controlled setting.

The Horticulture Services Division supplies and cares for the plants exhibited in the 500 square feet of planting display space and assures that they are grown in a pesticide-free environment. Over 100 plants are rotated into the Pavilion several times a week in order to provide a constant source of fresh nectar and pollen for the butterflies. When necessary, spent plants are disposed of in accordance with USDA requirements.

The varieties of flowering plants highlighted in the Butterfly Pavilion will change throughout the year depending on seasonal availability.

Postcard Greetings from the Archives of American Gardens, ca. 1905-1945
View a selection of postcards from the Archives of American Gardens' Historic Postcard Collection based on the outdoor exhibit developed by a team of Smithsonian Horticulture Services Division staff.

Collection Highlights: Perry Hunt Wheeler (1913-1989) at the Archives of American Gardens
The collection was donated to the Archives of American Gardens (AAG) in the early 1990's by a friend and client of Wheeler's. The collection includes garden images, plans, architectural drawings, correspondance, plant lists, invoices, fabric samples and a number of Wheeler's family and vacation photographs.

Annual Orchid Show
The Smithsonian's Horticulture Services Division hosts an Annual Orchid Exhibit. 2009 marked the 15th Orchid Show developed in collaboration with the United States Botanic Garden. Every other year, the exhibit is held at the Smithsonian Institution. The 2010 exhibit will be held at the United States Botanic Garden.