garden each season, replanting for over two decades before achieving a pure white marigold that measured 2.5 inches in diameter. Her entry in the 1975 edition of the contest topped 8,200 other entrants and produced what was then described as the "costliest flower ever." Burpee's branded the flower as "Burpee's Best Whites." By 1960, the odorless flower was the best-selling flower in the United States. References External links Burpee catalog cover gallery Dennis Werner Collection of Seed Catalogs 1883-2013, contains approximately 90 annual publications from W. Atlee Burpee & Co Agriculture companies of the United States Seed companies Horticultural companies of the United States Companies based in Bucks County, Pennsylvania American companies established in 1876 1876 establishments in Pennsylvania