2023 September
Boston and Raleigh, USA a
2023 July
Hailton, NZ
2023 June
Adelaide, AU
2022 June
San Diego, California
2022 September
Niagara, Ontario
2021 + 2020 Both Canceled
2019 June
New Caledonia
2019 April
Los Angeles, Santa Barbara
2018 October
Limburg, Belgium + Netherlands East
2018 June
New Caledonia
2018 May
Biarritz + Toulouse, France
2017 October
Global Thanksgiving, Canada
2016 September
Ottawa, Canada
2016 August
Thames Coromandel, New Zealand
2015 September
World Conference
2014 September
Tokyo, Japan
2013 July
Charleston + Las Vegas
2013 August
Santiago, Chile
2012 June
Sao Paulo, Brazil
2011 July
Malang, Indonesia
2011 June
Tamworth, Australia
2010 August
Otago, New Zealand
2010 June
St. Louis, Missouri
2010 May
Gardener’s Global
2009 August
Utah, USA
2008 September
Curitaba, Brazil
2008 August
Albuquerque, New Mexico
2007 October
Vietnam
2007 September
Memphis, TN
2007 June
Saitama, Japan
2006 August
Herfordshire, UK
2006 June
Pau, France
2023 September
Boston + Raleigh, US
2023 May
Niagara + Lake Simcoe
2022 September, October
Tallahaassee, St. Petersburg, The Villages, Florida
2020 February
San Diego, CA; Alajuela, Costa Rica
2019 September
Quebec City
2019 October
Mexico City, Xalapa, Mexico
2018 September
Denver, CO + Albuquerque, New Mexico
2018 March
Southlands + Otago, New Zealand; New Caledonia
2017 May
Netherlands East, Limburg, BG + Biarritz, FR
2016 May
Tottori + Mie, Japan
2015 October
Dallas + San Antonio, Texas
2014 May
Moscow + Nizshny Nogorod, Russia
2013 April
Izmir, Turkey + Bus Tour
2012 October?
Sidney, Blue MTN + Tamsworth + Murray Ridge, Australia
2011 September
Curitiba + Florianopolis + Iguazu Falls, San Paulo, Brazil
2010 September/October
Memphis + Colonial Carolinas
2010 April
Whidbey Island, USA
2009 February
Vietnam, Cambodia, Laos
2008 June
Herfordshire, UK
2007 February/March
North and South Island NZ