Here's a mulberry that I collect from a wee little stick. I think it's year 2 now. Working on some movement and choosing a leader, planning to keep it a mame
These reduce nicely to a fancy leaf (in the US the natives have intermarried with the Chinese immigrants) and they're weeds everywhere. If there is a weeping one within a mile of your house the birds will plant them in your yard. Since they are hybrids they exhibit all the forms of leaf shape when young, but grow fast and reduce well. They are bulletproof. I have collected & sold them for years and years. Here's one I sold last year...