Null and Jack, thank's for I.D on the Stenocereus thurberi, I have some seedlings of this plant , fruit from Edgar V. used different columnar cactus flowers for hybridizing his dragon fruit and came up with some nice cultivars. Also Adam, a nice variety with blue berry like fruit is Cipocereus bradei doesn't like frost!Stenocereus family has many fruiting plants; S. griseus,S. gummosus, S. pruinosus,S.queretaroensis,S. stellatus, S. thurberi, S. treleasei. Opuntia many many with nice fruits, have one only know as Hawaii-fruit yellow when ripe tropical -melon taste, one with papaya tasting fruit , one with honey dew tasting fruit, one with big round red fruit w/ big round pads common name dinner plant. Have also two cereus peruvianus monstrose from Roger M. one with red fruit , and one with purple or yellow fruit? Don't remember but got cuttings from Roger @ C.R.F.G. conference many yrs. ago, never has fruited either one this yr. flowering tried pollinating time will tell.Also myrtillocactus geometrizans has blue berry shape fruit, had it but lost it in ground.