Dr. Mark Ehlenfeldt is a Research Plant Geneticist with the United States Department of Agriculture - Agricultural Research Service. In his USDA position he is responsible for the breeding and development of new blueberry cultivars for U.S. blueberry producers. He has released 12 blueberry cultivars, including: ‘Legacy’, ‘Hannah’s Choice’, ‘Cara’s Choice’, ‘Pink Lemonade’, ‘Sweetheart’, and ‘Razz’. His latest work involves cold-hardy rabbiteye hybrids and reflowering blueberry hybrids.