Cali Orange is an old school strain dating back to at least 1980, and as such, there is a great deal of mystery surrounding its origin. It produces a sweet citrus aroma reminiscent of orange zest. More nicknames for California Orange include "Cali-O," "Cali Orange Bud," "C.O.B,". Most users report that Cali Orange produces an upbeat, clear-headed high when consumed in moderation, while heavier dosing can lead to a more body feeling.