Pennsylvania Horticultural Society

Shaping Philadelphia's landscape for 184 years


The Azalea Garden at the Philadelphia Museum of Art

Credit: Philadelphia Horticultural Society


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For more than 180 years, the Pennsylvania Horticultural Society (PHS) has grown community, friendship, tradition and incredible gardens throughout Philadelphia.

Created in 1827 by a small group of gentleman farmers, botanists and plant enthusiasts, the PHS now boasts approximately 19,500 members. Among their many accomplishments and programs, the PHS is best known for the creation of the Philadelphia International Flower Show, held each year at the Pennsylvania Convention Center.

Since the inaugural Flower Show in 1829, the annual event has grown to become the largest of its kind in the United States, drawing 250,000 visitors each year. Funds raised from the popular event support community greening programs and civic initiatives throughout the Philadelphia.

Philadelphia Green Program

The PHS' Philadelphia Green program uses horticulture to build community and improve the quality of life in Philadelphia’s neighborhoods and downtown public spaces.

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Azalea Garden

A scenic spot for beautiful blooms



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