can southern highbush blueberries pollinate northern highbush?
I planted some northern highbush blueberries last year, and one BlueCrop survived, the one that got the most shade. This year I've decided to plant southern highbush since they are supposed to be more heat and drought tolerant, but I don't want to tear up the BlueCrop that survived. (As I understand it, in OKC, I am in an overlap area where both varieties can be grown).
Will the BlueCrop cross-pollinate with a southern highbush variety that flowers at the same time, or do I need another northern highbush variety to pollinate the BlueCrop, and another southern highbush variety to pollinate the southen highbush I already have?