These talented professionals provide technical assistance, recommend plants, provide cost estimates, and conduct horticultural training programs for companies and agencies who own, manage, or maintain urban sites in Center City Philadelphia. Volunteers T he Pennsylvania Horticultural Society runs a very active, successful volunteer program, utilizing the talents of more than 3,000 dedicated gardeners and gardening enthusiasts. These volunteers work in a great variety of projects throughout the year including, PHS's world famous Philadelphia Flower Show . Volunteers weed, water, divide and deadhead the perennials in the planting beds, and plant bulbs and new perennials at Eastern State Penitentiary and in the medians of Philadelphia's Spring Garden Street. The Azalea Garden is cared for by volunteers who supplement the work of a professional maintenance crew.
Volunteers prune the azaleas, plant perennials and tend the area around the pergola.