‘Doughnut Queen’ helps Apple Hill’s Rainbow Orchards flourish For more information please click here to contact Tuan Nguyen By Bizjournals.com Feed (2019-07-12 16:19:27) | August 2, 2019 Christa Campbell and Tom Heflin bought a run-down Camino apple farm in 1977. Today, Rainbow Orchards is a diversified operation and the couple are leading champions of Apple Hill. Posted in Sacramento Business Journal