Figure 1. American Standard for Dogwood Rootball
Up to 6 feet Height Over 6 feet Caliper Minimum Diameter Ball(inches)
2
10
3
12
4
14
5
16
3/4"16
1"18
11/2"20
13/4"22
2"24
21/2"28
3"32
31/2"38
442
41/2"48
5"54
Ball Depth Ratio

smalltree.gif 

< Diameter less than 20"
  Depth not less than 75%
  of diameter or 3/4 of width









medtree.gif 
 
          Diameter 20"-30" >
           Depth not less 
           than 662/3%
          or 2/3 of width







largetree.gif 
< Diameter31"-48"
Depth not less than 60%
or 3/5 width. Balls with
a diameter of 30" or more 
should be drum-laced







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