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.

Anne Kirkpatrick
Anne has been a volunteer with Missouri Botanical Garden and St. Louis Master Gardeners since retiring from a 30 year career as a Parkway School District librarian-media specialist in 1999.

Betsy Alexander
A Master Gardener since 2005, Betsy has 8 programs with the Master Gardeners 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 retired from a professional career as a microbiologist and is a Advanced Level St. Louis Master Gardener. She became a Master Naturalist in 2007 and 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.

Denise Pott
Denise has been a Master Gardener since 2011. She has been growing houseplants for many years; her 50+ houseplants include African violets, palms, ferns, and succulents.

Jack Lane
Jack completed MG training in 2001. He volunteers at the Kemper Center Gardens, Reception Desk, Speakers Bureau, Saint Louis County Extension Board, and other organizations.

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.

Ned Siegel
Ned became a St. Louis Master Gardener in 2007. He volunteers in the gardens at Bellefontaine Cemetery.

Patrick McNulty
Patrick has been a Master Gardener since 1994 and is a member of the St. Louis Master Gardener Speakers Bureau.

Terry Milne
Terry became a Master Gardener in 2001 and gives frequent programs for Missouri Botanical Garden Adult Education.

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.