Potomac Bonsai Association ... Lancaster Bonsai Society's umbrella organization, as a member you are also a member of  the PBA.

American Bonsai Society

Bonsai Clubs International

North American Bonsai Federation

MidAtlantic Bonsai Societies

Internet Bonsai Club

United States Arboretum The National Bonsai and  Penjing Museum

Longwood Gardens view their collection, Longwood also has experts on hand to answer questions, and they hold classes periodically. 

Brooklyn Botanic Gardens

  Check out other Bonsai sites @

The County Gardeners of Eastern Lancaster County

Bonsai Collection, Located in the Heager Arcade in the center of Lancaster City, 25 Wes King St. Lancaster. Tools, Pots and Finished Bonsai. 717-314-0299.

Meco Bonsai, 2885 Charlestown Rd. Lancaster, PA 17603. 717-871-7900

Natures Way Nursery, Lingelstown PA, 717545-4555

Meehan's Miniatures, Bonsai and pre-Bonsai plants, tools, supplies.