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Under the auspices of the North Carolina State Tree Improvement Cooperative (S.E. McKeand) in collaboration with the U.S. Forest Service Southern Research Station (K.H. Johnsen, C.D. Nelson), U.S. Forest Service National Forest Region 8 (B.S. Crane), and the Auburn University Center for Longleaf Pine Ecosystems (L.J. Samuelson), a series of provenance/progeny tests were planted across the Southeast in the early Winter of 2010. Twelve or more sites were planted on a combination of industry, private landowner, Forest Service Experimental Forests and University Experimental Forests.  One hundred and fifty one seed sources (mostly open-pollinated families) originating from southern Alabama, northern Alabama, Georgia, Florida, Louisiana, Mississippi, North Carolina, Texas, and Virginia were planted on all sites.  Seeds are from seed orchards across the region (where progeny have not been tested or minimally tested) as well as some bulk collections from natural stands.  This new set of experiments as well as the seed collections themselves will serve as the backbone of new genetics research on longleaf pine.