Pennsylvania Horticultural Society

Founded in 1827, the Pennsylvania Horticultural Society (PHS) is a not-for-profit organization serving over 16,000 members. With more than 100 employees, PHS provides events, activities and publications for novice gardeners, experienced horticulturists and flower lovers of all ages. PHS's award-winning Philadelphia Green program brings vibrant green spaces to Philadelphia's downtown area and neighborhoods. PHS also produces The Philadelphia Flower Show, the largest indoor flower show in the world.