How to graft your own Tree of 40 Fruit: 1. Start with a stone fruit tree base. Prune it to an open center and four or five branches .2. From another stone fruit tree, take a sliver that includes the bud. 3. Insert the sliver into a like-sized incision in the base tree. 4. Tape together and let it sit all winter. 5. Repeat until you have 40 varieties. Map to keep track of what you've grafted. In spring it blossoms with varieties of cherry, peach, apricots, plum and other stone fruit."