Joe Hoffman, Horticulturist at Yankton Federal Prison Camp has plant challenges like all gardeners. Inmate design of the breast cancer awareness symbol seemed to be a workable design for the annual Observatory Hill flowerbed display. Marigolds that grew too tall and vincas shorter than expected were a couple of this season’s unexpected challenges. For more about growing plants there see the article:http://www.yankton.net/river_city/article_e474d0ce-2197-11e3-b461-001a4bcf887a.html