Please don't pitch the Jap Maple start! Remember how all roses were on rootstock from another rose and now it's a big thing for them to be on their own? You could be a trend setter, Phyl! I really don't know more than I have told you.
My big success story for today is my Chicago hardy fig tree - it was sold to me as marginally hardy and the web sites all say that it might die to the ground and regrow from there. As cold as this winter was here, I figured it was probably a complete goner. I planted it near my (brick) house on the SE side, but didn't mulch it or anything. But it's starting to grow leaves! I'm so excited! I LOVE figs!