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Planting area guidelines: Street or highway medians
| Highway median width: | Maximum tree size at maturity1 |
| 8-12 feet | Small (less than 30 feet tall) |
| 12-25 feet | Medium (less than 50 feet tall) |
| > 25 feet | Large (taller than 50 feet)2 |
| 1 Refer to Tree
Selection for information on small, medium, and large maturing
trees. 2 In compacted or poorly drained soil, increase recommended distances and planting area size to compensate for aggressive surface root formation. |
|
NOTE: These guidelines work only for 3 foot soil depth. If there is less than 3 feet of soil, plant small maturing trees.
