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32nd Annual


October 1-3, 2012

Clearwater Beach Hilton
Clearwater Beach, Florida

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General Session Speakers


General Session 1: Ed Gilman


Ed Gilman received his PhD from Rutgers and has been on the faculty since 1986 as professor in the Environmental Horticulture Department at the University of Florida in Gainesville. He teaches arboriculture, conducts research on planting and pruning and works extensively with industry. He is the author of six books on trees and landscape plants, many software programs, and web sites that have received numerous awards. Ed wrote “Illustrated guide to pruning” which is in its third edition. He is a Florida chapter ISA past-president. He received the Authors Citation Award in 1999, the Educators Award in 2003, and the research award in 2007 from the ISA for sustained excellence in research, publishing and teaching timely information on tree care. He has published more than 75 scientific peer reviewed journal articles in his 30 years in academia and industry.


General Session 2: Laurie Trenholm


Laurie Trenholm received both her B.S. and M.S. degrees from the Environmental Horticulture Department at the University of Florida, majoring in Turfgrass Science. Her Ph.D. is from the University of Georgia’s Crop and Soil Science Department in Turfgrass Physiology. She is currently a Professor of Environmental Horticulture at the University of Florida in Gainesville. She has been active in development of the Green Industries Best Management Practices and leads the statewide research program on nutrient leaching from turfgrass for BMP quantification. Other research interests focus on turfgrass stress physiology and cultural practices.



General Session 3: Russ Mizell


Russ Mizell is a Professor of Entomology with the University of Florida’s Institute of Food and Agricultural Sciences and is located at NFREC-Quincy. Dr. Mizell has research and extension responsibilities for deciduous fruits, pecan, and woody landscape plants with focus on the development of Integrated Pest Management systems. He has authored or coauthored ~350 publications concerned with IPM programs including pest biology, biological and chemical control, host plant resistance, population dynamics and insect-plant-disease interactions. His current research focuses on methods of evaluating and enhancing biological control agents (predators and nematodes), monitoring methods for deer flies, weevils (fruit, citrus, forestry), the ecology, behavior and suppression of stink bugs, plant stress and insect interactions, and the development of regulatory ecosystem services. Some of his past and current contributions can be viewed at the websites: and

General Session 4: George Kish

George Kish collaborates with Florida Extension, other state and federal agencies, botanical gardens, universities, nature centers and middle schools to engage citizen scientist participation in phenology observations. He earned his B.S. degree in Biology from Drexel University and his M.S. degree in Environmental Science from Rutgers University. George is a hydrologist with the U.S. Geological Survey in Tampa, Florida and co-author of the gardening book, “The Right Native Plants for Dry Places” with a second gardening book about to be published, “The Right Plants for Dry Coastal Places: Native Plant Landscaping with Salt Tolerant Plants in Peninsular Florida” by Richard Wunderlin and George Kish.


General Session 5: Rick Schoellhorn

Rick Schoellhorn joined the Proven Winners team in 2005 as Director of New Products. Rick coordinates the US trials of Proven Winners and works with PW global on global trialing issues. He is responsible for finding new plants and testing them via Proven Winners exhaustive trialing program and working with plant breeders around the world to help them make headway in developing new crops. From March through October Rick is in the air and on the road around the globe looking for the truly best breeding fro Proven Winners.

Over the past twenty years he has worked extensively in the horticulture industry in a variety of occupations. His experience includes: 7 years as a college professor at the University of Florida, 5 years in retail nursery sales, 3 years of golf course maintenance in California, 3 year retail nursery production and sales in Alaska, 12 years as sole proprietor of a landscape and interiorscape installation and design company in Colorado. He has toured Indonesia, Holland, Germany, Spain, Madeira Island Portugal, Costa Rica, Japan, and Mexico collecting plants and consulting with growers.

Dr. Rick Schoellhorn received his M.S. (1992) and Ph.D. (1996) from the University of Florida, Gainesville, and his B.S. from Colorado State University, Fort Collins, Colorado in 1989.

Rick is the co-author of “Your Florida Guide to Perennials” (ISBN: 0-8130-2927-9)with Dr. Sydney Park-Brown and has a CD of original music floating around out there somewhere called “Under a Midnight Sky” and if you’re lucky you’ll never hear it…

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