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    Pennsylvania Horticultural Society

    100 N. 20th Street Philadelphia PA 19106

    The Pennsylvania Horticultural Society (PHS) is a not-for-profit membership organization founded in 1827. PHS provides events, activities and publications for novice gardeners, experienced horticulturists, and flower lovers of all ages. PHS also produces the annual Philadelphia Flower Show, the largest indoor flower show in the world.



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