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Warren and Master Jahn Naka with John’s masterpiece
Yose-ue Bonsai,”Goshin”.

Year 1999, U.S. National Bonsai and Penjing Museum,
Washington, D.C.


Warren Hill and Master
Saburo Kato

Exchanging greetings at the U.S. National Bonsai and Penjing Museum, Washington, D.C.


Warren Hill and Professor
Ko-Chin Chang

Master of Chinese Art and Treasures, Taipei, Taiwan.


Warren was a featured speaker /demonstrator at the following conventions.
  • Golden State Bonsai Federation Convention, Garden Grove, California
  • Mid-Appalachian Bonsai Kai Invitational Exhibit, Gray, Tennessee
  • California State Bonsai Convention, San Diego, California
  • California State Bonsai Convention, San Jose, California
  • American Bonsai Society, National Symposium, Boston, Massachusetts
  • California State Bonsai Convention,Long Beach, California (Queen Mary)
  • Mid-Atlantic States Regional Convention, Fairfield, New Jersey
  • Bonsai Clubs International Convention, New Orleans, Louisiana
  • American Horticultural Society National Convention, Los Angeles, California
  • California State Bonsai Convention, Palm Springs, California
  • Bonsai Clubs International Convention, San Antonio, Texas
  • Mid-Atlantic States Regional Convention, Willow Grove, Pennsylvania
  • La Asociacion Valiecaucana De Bonsai, IV Simposio International, Cali, Colombia, South America
  • California State Bonsai Convention, Anaheim, California
  • California Bonsai Society 35th Anniversary Convention, Anaheim, California
  • The Bonsai Societies of Louisiana Regional Convention, New Orleans, Louisiana
  • American Bonsai Society- Dallas Bonsai Society National Symposium, Dallas Texas
  • Brussel’s Spring Rendezvous, Olive Branch, Mississippi
  • 18th Annual Mid-America Bonsai Exhibition/Symposium, Chicago Botanical Gardens, Glencoe, Illinois
  • Forest/Pine Bonsai Symposium, Dallas, Texas
  • International Bonsai Arboretum Seminar, Rochester, New York
  • Bonsai Clubs International Year 2000 International Convention, Honolulu, Hawaii
  • United States National Arboretum’s International Scholarly Symposium, Washington, D.C.
  • Garden Clubs of America National Convention, Washington, D.C.
  • Mid-America Bonsai Exhibition/Syposium, Year 2000, Chicago Botanical Gardens, Glencoe, Illinois
  • Tennessee Master Gardener State Convention, Kingsport, Tennessee

Recent One-man show exhibitions
  • Tennessee Master Gardener State Convention Marriott Meadowview Convention Center Kingsport, Tennessee
  • General Morgan Inn and Conference Center, Mason House Art Gallery, Greeneville, Tennessee. (2002, 2003)
  • Mid-Atlantic Garden Faire, Abingdon, Virginia
  • East Tennesee State University, Carrol Reese Museum, Johnson City, Tennessee
  • Southeastern Flower Show, Georgia World Congress Center, Atlanta, Georgi