If you move a tree with its soil, it's considered replanted (so the rules of orla kick in) unless it can live off of the soil you're moving it with. (Source.) Clearly "if it can live" doesn't mean "if ...
I have recently planted a grape vine. The nursery insists that it is at least 1 year old (and the size of the plant suggests no less than 2 years old). It was planted with it's roots entirely ...