WK 03.2 Philadelphia Orchard Project (POP) Established in 2007 to help Philadelphians plant and grow trees and other edible vegetation. POP works with community volunteers to plan, design and plant orchards and gardens. Infographic illustrating the importance of Urban Orchards. POP has overseen the installation of over 52 Orchards that include over 1,000 Trees and 11,000 Perennials