During his time in Venezuela Croizat divorced his first wife. Croizat was later remarried to his second wife Catalina Krishaber, a Hungarian immigrant. In 1953 Croizat gave up all official academic positions to work full-time researching biology. Croizat and his wife Catalina lived in Caracas until 1976. In 1976 they took over as first directors of the “Jardin Botanico Xerofito” in Coro, a city approximately 400 kilometers West of Caracas. Jardin Botanico Xerofito was a botanical garden which they founded together. Croizat and Catalina worked for six years to establish Jardin Botanico Xerofito.
