Laurea, University Palermo, 1983. Doctor of Philosophy, University Florence, Italy, 1985.
Young associate expert, Food and Agriculture Organization (of the United Nations)/United Nations, Rome, 1984; researcher, U. Reggio Calabria, Italy, since 1987; professor horticulture, U. Reggio Calabria, Italy, since 1991; professor, U. Palermo, since 1998.
General coordinator International Network 1994-1998. Member executive board Consiglio University Nazionale, Rome, since 1997. Fellow International Organization for Succulents.
Member Italian Horticultural Society (executive board since 1994, vice president horticulture section), International Society Horticultural Science, American Society Horticultural Science.
Married Maria Laura Crescimanno di Capodarso.