I also have one vagnilla persimoon, the tree has been grafted years ago in a nursery in Italy. Every year it bears a lot of big fruits, and I cut the tree down every year, no Problem for the tree.....it grows like weed. I only had on or two times grains in a fruit. normally it is without any grains. The tast for my opinion is not more vanille-liek thab other persimonns taste.