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SOUTHEASTERN PENNSYLVANIA ORCHID SOCIETY (SEPOS)               is a non-profit, 501(c) organization comprised of a diverse group of  individuals who share a common interest in the large and intriguing  plant family known as Orchidaceae … the ORCHIDS. SEPOS is one of more than 400 affiliates of the American Orchid Society (AOS) and traces its origin to the 1940’s in suburban Philadelphia. The organization’s main focus is orchid culture, education and conservation. Membership is open to anyone with an interest in orchids and visitors are always welcome.  Please enjoy this site and don’t hesitate to contact us with any questions. 


founded in 1947
Orchid Society
culture   education   conservation
Learn More
About Orchids
Helpful Resources
Become a SEPOS
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