Philadelphia Gardening Guide: Organizations

An association of persons interested in the culture of the African violet (Saintpaulia) & related Gesneriads and to stimulate and promote interest in their propagation and culture.

Comprehensive site from American Daffodil Society

Start here with your exploration of Philadelphia Gardens. The Philadelphia region is rich in public gardens, arboreta and historic houses with gardens. In 1989, many of them banded together to jointly promote the gardens and encourage visitors. That collaboration, one of the first of its kind in the country, has evolved into Greater Philadelphia Gardens, whose member gardens attract more than two million visitors each year.

Free PDF download of list and contact info for plant societies and associations

The Hardy Plant Society/Mid-Atlantic Group is a not-for-profit volunteer organization for gardeners in the Mid-Atlantic region. We encourage gardeners – from beginners to professionals – to learn more about horticulture and to share skills, knowledge, and plants with each other.

This is the Delaware Valley Chapter of the Hobby Greenhouse Association

The Philadelphia chapter of the Gesneriad Society.

The Pennsylvania Native Plant Society advocates conservation of native plants and their habitats and promotes the increased use of native plants in the landscape.

The Philadelphia Botanical Club, founded in 1891, is dedicated to increasing knowledge and appreciation of the botany of the Philadelphia region and beyond.

Rose Society meets at Morris Arboretum

The mission of the Barnes Foundation is to promote the advancement of education and the appreciation of the fine arts and horticulture.

Offers classes, workshops, walks.

Longwood works to provide world-class horticultural learning at all levels—from individuals with a passing interest to those who make horticulture a central part of their lives.

The Morris Arboretum offers a range of classes for adults and children.

Join us year-round for educational lectures and workshops to sharpen your gardening skills, from flower arranging to garden design and much more. Browse our calendar for lectures, tours, workshops and more.

PHS's Garden Tenders is a self-help training course for community groups, organizations and individuals within the city of Philadelphia that are interested in starting community gardens on vacant lots, in parks, around schools and churches. The responsibility for creating and maintaining a garden belongs to each group.

PHS's Tree Tenders® program offers nine hours of hands-on tree care training for residents of the five-county Philadelphia region. The training will cover tree biology, identification, planting, proper care and working within your community.

Offers courses in environmental science, floriculture, nursery production.

The School of Arboriculture’s courses, which offer CEUs for arborists and landscape architects, keep you at the forefront of your profession.

School of Environmental Design (College of Liberal Arts)
offers studies in community and regional planning, horticulture and landscape architecture.

The Center serves as a vital resource for the public horticulture profession by providing education and training, research and information.