Leonard Perry Dr. Leonard Perry is a Horticulture Professor Emeritus at the University of Vermont.  In his 35 years with UVM Extension, Dr. Perry provided information and programming to the industry of Vermont, region, and North America.  Home gardeners in Vermont and surrounding areas know him from his frequent television appearances on Across the Fence and radio, which he continues.  Many join him yearly on local and regional gardening tours.  As a Professor, Dr. Perry along with graduate students  led an active research program on all aspects of perennial production and overwintering.  Students know him from his courses at UVM on Garden Plants and Indoor Flowers, to many other horticulture topics, available through Continuing and Distance Education (learn.uvm.edu).   Dr. Perry is known widely across North America for his internet web site-- Perry's Perennial Pages (perrysperennials.info) -- at which he features information, links, news articles, research and more on herbaceous perennials.