I'm starting to think that mulberries "trees" are too much space commitment for my yard. So I'm starting "bushes" from wild rootstocks, grafting them low to multiple varieties and planting them at rentals. Here's the first one, which I grafted pretty early. It looks like I could end up 7 for 7 on it (2 of each variety, other than IE).
In case you are one of the people who sent me interesting mulberry wood this spring and are wondering why I didn't use it here....It's because I want to keep a bit of each kind in easy reach at my house. So I grafted the new stuff there. I only grafted things here which are no great loss if they die for whatever reason.
Along those lines, no nurse branch was used. I want to completely erase the stock and it's not the end of the world if I screw up and kill the thing.