Minimum Sizes of Balls 
As Recommended by Ornamental Growers Association 
Type of Tree 
(See below) 
l 
2 
3 
4 
5 
Tree 
Diameter 
of Ball 
*Tree 
Ball 
Height 
Diam. 
Diam. 
18-24" 
11 " 
11 " 
11 " 
10" 
1V4-1 Hz" 
18" 
2-3' 
12 " 
13" 
13" 
12 " 
lVfc-1%" 
19" 
3-4' 
13" 
16" 
15" 
13" 
l 3 /4-2" 
21" 
4-5' 
14" 
19" 
17" 
15" 
2-2 Hz" 
24" 
5-6' 
15" 
22" 
19" 
16" 
2 Hz-3" 
27" 
6-7' 
17" 
26" 
21" 
18" 
CO 
1 
CO 
30" 
7-8' 
19" 
30" 
24" 
20" 
3 Hz-4" 
35" 
8-9' 
21" 
CO 
27" 
22" 
4-4 Hz" 
40" 
9-10' 
23" 
30" 
24" 
4 Hz-5" 
44" 
Caliper of tree six inches above ground. 
Type 1. Columnar evergreens (Example: Arbor- 
vitae and Columnar Junipers.) 
Type 2. Spreading and broadleaved evergreens 
(Example: Juniperus pfitzeriana, Taxus 
cuspidata, Cotoneaster.) 
Type 3. Broad upright evergreens (Example: 
Spruce, Pine, Hemlock.) 
Type 4. Shrubs and small trees (Example: Vibur¬ 
num, Flowering Crab, Dogwood, Haw¬ 
thorn.) 
Type 5. Standard shade trees (Example: Norway 
Maples, Oaks.) 
