Speakers Bureau Presenters
Each Master Gardener listed on this page has at least one topic associated with them as their specialty. You may click on their name, image or "Read More >>" to see their horticultural bio.
Alice Mitchell
Alice has been a Master Gardener since 1999 and is member of the St. Louis Master Gardener Speakers Bureau.
Betty Struckhoff
Betty is a native Missourian and an active member of “Wild Ones Natural Landscapers”. She has helped create native landscapes in local parks, other public spaces and private gardens.
Carol Gravens
Carol became a Master Gardener in 2001 and a Master Naturalist in 2007. She has an AAS in Horticulture from STLCC, Meramec.
Cheryl Rafert
Cheryl became a Master Gardener in 2000. She volunteers at the Kemper Center Plant Doctor desk answering questions about plants.
Chick Buehrig
Chick has been a Master Gardener since 2007 and is a member of the Missouri Botanical Garden Daylily Association.
Chris Kirmaier
Chris has been a Master Gardener since 2007. Chris has taught the class on Plant Growth and Development in the St. Louis MG Training Program since 2012.
Ginny Johnson
Ginny is an advanced Master Gardener, an MBG docent and interpreter. She belongs to the St. Louis Herb Society and the St. Louis Wild Ones.
Joanne Graham
Joanne Graham DVM, MS Diplomate ACVIM (Oncology) is a board certified veterinary oncologist who spent 30 years in practice. In addition to private practice, she taught at Iowa State University and also trained at the National Animal Poison Control Center.
John B. Lewis
John has been a Master Gardener since 2010. He teaches horticulture and other subjects at Westminister Christian Academy and Missouri Baptist University.
John Hensley
John has been a Master Gardener since 2008 and volunteers weekly at the Missouri Botanical Garden.
Kim Gamel
Kim currently volunteers with Flora Conservancy and the Reed Elementary School garden committee. She has been a Master Gardener Since 2010.
Marc Hartstein
Marc has been a Master Gardener since 2016. As an avid beekeeper, his interests include the interspecies symbiotic collaborations between bee and flowering plant.
Maxine Stone
Maxine has been a Master Gardener since 2006. She is the author of the book, Missouri’s Wild Mushrooms.
Wally Cammarata
Wally became a Master Gardener in 2003. He volunteers at the Butterfly House teaching butterfly biology during the winter and at Kemper Center outside gardens during the summer.