Note: Any species of Fraxinus (ash) are now considered unacceptable for planting in the right of way. For alternatives, please consult the non-exhaustive list below.
Urban forest diversity is crucial to its health. Diverse urban forests increase resilience to diseases, pests and help preserve our natural ecosystems. When planting more than one tree, it is important to keep diversity in mind. Take a look at our list of approved trees below for some ideas.
Fraxinus quadrangulata (Blue ash) - Although proven to be mildly resistant to emerald ash borer, blue ash is not considered a suitable street tree.