Advice - Maples : height on delivery

Approximate size of the maples in plastic pots at the time of the delivery :

1,5 Liter POT : Height according to vigor of the variety of 10 to 30 cm, graft of 1 to little branched out 2 years, in plastic container 1,5 liter. 

3 Liters POT : Height according to vigor of the variety of 30 to 60 cm, graft of 2 to 3 years branched out 2/3 branches, in plastic container of 3 liters. 

4 Liters POT : Height according to vigor of the variety of 50 to 100 cm, graft of 3 to 5 years branched out 3/5 branches following several sizes, in plastic container of 4 liters.