Instructors
Yvonne Nilles is an Iowa State University lecturer. She received a Master of Science in horticulture from Iowa State in 2002. Nilles is the ISU Extension Horticulturist for Hamilton, Humboldt, Webster and Wright Counties. She currently serves as the first vice president for the Federated Garden Clubs of Iowa and is a National Garden Club, Inc. flower show judge.
Ann Marie VanDerZanden is an associate professor in horticulture. Her research interests include using new technology to enhance the learning experiences of undergraduate students and nursery/landscape professionals, and evaluation of landscape sustainability. She has a PhD from Washington State University. Anne Marie is an ISU Extension specialist for nursery and landscape horticulture. Her program centers around landscape design and contracting and meeting the educational needs of industry members. She has written the landscape design chapter for the Iowa Nursery and Landscape Association's certification training manual and developed a workshop on basic landscape graphics.
