Never give up hope! 3 years ago I bought 10 fuyu persimmon trees from the local market, last year just 1 set all male flowers and I thought I was deceived once more.This year it reverted back to set a massive amount of fruit with no male flowers,just thought I would share because there is not a lot of information on this out there on the net.Also I bought some black muscadines from isons nursery that produced bronze muscadines for the first 3 years now it has reverted back to producing black.