Parents play a significant role in molding their children's nutrition knowledge and behavior. The purpose of the present study was to explore parental influence on preschooler's nutrition education from the perspectives of North Carolina-based Head Start coordinators and teachers. Investigators conducted 63 in-depth, structured interviews with Head Start Health/Nutrition Coordinators (n = 31) and teachers (n = 32). Interviews were recorded in digital audio format and transcribed verbatim. Following a grounded theory approach, researchers identified primary, emergent themes related to parental influence and a substantive-level model was developed. Head Start staff described parental background (i.e. nutrition knowledge, culture), socioeconomic status, food preferences and parental engagement/support of teacher provided nutrition education as the primary factors that affect preschooler's nutrition education. The proposed theoretical model provides an initial understanding of the influence Head Start parents may have on their children's nutrition education. The findings suggest more training and education opportunities for parents and teachers may be needed. Despite barriers, teachers and local community partners should continue to support parents in their efforts to reinforce positive nutrition messages among preschool children. (author abstract)