The
following can be used as a guide in estimating ball sizing
for trees and shrubs. Actual ball diameters may vary
slightly from this guide depending on the plant, season
and soil conditions.
SHADE TREES
Caliper
1 1/2 to 2"
2 to 2 1/2"
2 1/2 to 3"
3 to 3 1/2"
3 1/2 to 4"
4 to 4 1/2"
4 1/2 to 5"
5 to 5 1/2"
5 1/2 to 6"
6 to 7"