IOS Congresses
IOS International Organization for Succulent Plant Study
A brief list of the IOS congresses since 1950.
First meeting: September 1950, Zurich.
Congress: September 1953, Monaco.
Congress: September 1955, London.
Congress: August 1957, Den Haag.
Congress: August-September 1959, Kilel.
Congress: June 1961, Barcelona.
Congress: August 1963, Wien.
Congress: April-May 1965, Catania.
Congress: May 1967, Beaulieu.
Congress: May 1969, Liege.
Congress: June 1971, Heidelberg.
Congress: September 1973, Reading.
Congress: September 1974, Santa Barbara.
Congress: September 1976, Barcelona.
Congress: May 1978, Monte Carlo.
Congress: March 1980, Mexico City.
Congress August 1982, Wien.
Congress: June 1984, Frankfurt.
Inter-Congress: July 1985, Zurich.
Congress: March-April 1986, Salta.
Inter-Congress: September 1987, San Marino.
Congress: June 1988, Harare.
Inter-Congress: April 1989, Palermo.
Congress: July-August 1990, Zurich.
Inter-Congress: July 1991, Bonn.
Congress: April 1992, Phoenix.
Inter-Congress: March 1993, Malta.
Congress: August 1994, Wageningen.
Inter-Congress: September 1995, San Miguel de Allende.
Congress: September 1996, Bologna.
Inter-Congress: September 1997, San Marino.
Congress: August-September 1998, Cape Town.
Congress: March 2000, Zurich.
Congress: April 2002, Phoenix.
Congress: May-June 2004, Hamburg.
Congress: September 2006, Zürich.
Congress: August 2008, Natal.
Other congresses and inter-congresses to come soon.
Congress: November 2017, Cadereyta.