1sagittarius; My seedling persimmons have worked out the other way. I have 5 females and 1 male. Ther is one sure method of determining the sex: plant grafted varieties. My seedling trees don't drop fruit until after frost while a variety that I have called "Early Golden" ripens in mid September about a month before 1st frost. Some varieties have male and female flowers:

http://www.grimonut.com/section5.htm#catsec5

Ernie (from the nursery) says that they can only handle zone 6 but I'm still experimenting.

Dan O.