| Sorry to hear about the trunk damage and losing the trees. I'd certainly be tempted to try grafting to an established rootstock. It costs very little to try (your main risk is the loss of time in establishing a new tree should your attempt fail) and with an established rootstock you could see very impressive results from your grafting this year. FWIW, I'd pick the best single shoot and aggressively eliminate any competition. When it reaches a workable diameter graft to it. I have a prune plum that came back from the (sucker) root after I had to remove the parent tree, and I will graft to one or two of its branches this year. I hope to see the prune itself bloom in a year, maybe two, more. It's just a two year old now, but it's head-high and healthy with enough nice branches that I now get to start choosing them. Good luck, M | 
