I am trying to find a good tree for bonsai in zone 7. I am looking for
the best for my zone, and one that is easily trained. I will be needing
about 20 to line my driveway. BRBR

Are you a troll or an idiot, or are you just ignorant of what a bonsai is?
Iris,
Central NY, Zone 5a, Sunset Zone 40
"A tree never hits an automobile except in self defense." - Woody Allen