TREE CATALOG
OUR SYMBOLOGY
Coniferous or Broadleaf Coniferous species are represented by the symbol on the left featuring needles and cones, while broadleaf species are represented by the symbol on the right with a green leaf. Evergreen or Deciduous Evergreens are represented by the symbol on the left depicting an evergreen tree, while deciduous trees are represented by the symbol on the right showing a bare tree with falling leaves.
Recommended Sunlight Exposure Sunlight exposure is based on summer conditions: Full Sun (6+ hours), Partial Sun (4-6 hours), and Shade (<4 hours). Track direct sun hourly and consider shading from structures.
Native or Non-Native Native species are represented by the state of Oregon while non-native species are represented by the globe symbol. “Native” in this catalog is used in a broader ecological sense to support long-term climate resilience. For more information on native classifications, click here. Tree Size - Height and Width Our tree size estimates reflect real urban conditions—not idealized nursery tags. Using Oregon’s TreePlotter data, we provide realistic height and width averages based on existing urban trees across the state. For details on how these measurements were calculated, click here. Drought Tolerance High drought tolerance is represented by one drop of water, moderate by two, and low by one. This indicates how often an established tree should be watered during dry periods. A high rating doesn’t mean a tree can go without irrigation. We recommend supplemental watering for all trees to support long-term health. For more water resources, click here.
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