Average annual pruning costs and their distribution by type (GP < 20 is general pruning of trees < 20 cm dbh, where GP includes crown cleaning, thinning, and reduction).
| % visited | $/visit | $/tree | % of total pruning expenditure | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Train | Raise | Other | GP < 20 | GP 20-46 | GP > 46 | ||||
| Hackberry | 23.8 | 123 | 29 | 0.1 | 7.1 | 7.7 | 6.6 | 50.0 | 28.5 |
| Camphor | 11.4 | 73 | 8 | 2.5 | 16.6 | 10.1 | 21.3 | 40.7 | 8.9 |
| Modesto ash | 20.0 | 226 | 45 | 0.0 | 0.6 | 9.2 | 0.1 | 0.2 | 89.9 |
| Ginkgo | 8.5 | 77 | 7 | 1.3 | 21.6 | 27.7 | 21.8 | 27.4 | 0.2 |
| Sweetgum | 25.1 | 198 | 50 | 0.0 | 2.1 | 15.8 | 2.2 | 45.8 | 34.1 |
| Southern magnolia | 20.0 | 87 | 17 | 0.1 | 25.6 | 24.5 | 12.7 | 37.1 | 0.0 |
| Pistache | 24.7 | 102 | 25 | 0.4 | 8.0 | 18.8 | 13.3 | 59.4 | 0.0 |
| Plane | 9.8 | 63 | 6 | 1.0 | 11.2 | 11.3 | 29.8 | 21.1 | 25.6 |
| Pear | 21.2 | 88 | 19 | 0.7 | 6.9 | 14.8 | 27.4 | 50.2 | 0.0 |
| Zelkova | 15.3 | 104 | 16 | 0.4 | 10.3 | 9.6 | 29.2 | 48.8 | 1.6 |