 | Taxus cuspidata | Japanese Yew | | Pines et. al. | Tree < 30 feet, Shrub > 8 feet, Shrub 4 to 8 feet, Shrub < 4 feet, Evergreen, Full sun, Part shade, Shade, Zone 4b, Can tolerate acid to alkaline soil (pH 5.0 to 8.0) |
 | Taxus x media | Anglo Japanese Yew | | None Listed | Evergreen, Zone |
 | Thuja occidentalis | Eastern Arborvitae; White Cedar; American Arborvitae | | Evergreens with Scales | Tree > 30 feet, Evergreen, Full sun, Part shade, Zone , Can tolerate acid to alkaline soil (pH 5.0 to 8.0) |
 | Thuja plicata | Western or Giant Arborvitae | | Evergreens with Scales | Tree > 30 feet, Evergreen, Full sun, Part shade, Shade, Zone 4a, Can tolerate acid to alkaline soil (pH 5.0 to 8.0) |
 | Tilia americana | American Linden; Basswood | | High pH | Tree > 30 feet, Deciduous, Full sun, Zone 3a, Can tolerate acid to alkaline soil (pH 5.0 to 8.0) |
 | Tilia cordata | Littleleaf Linden; Small-leaved Lime | | Big Trees in Winter, High pH | Tree > 30 feet, Deciduous, Full sun, Zone 3b, Can tolerate acid to alkaline soil (pH 5.0 to 8.0) |
 | Tilia tomentosa | Silver Linden | | High pH;
Big Trees in Winter, Campus trees walk | Tree > 30 feet, Deciduous, Full sun, Zone 5a, Can tolerate acid to alkaline soil (pH 5.0 to 8.0) |
 | Tilia x euchlora | Crimean Linden | | | Tree > 30 feet, Deciduous, Full sun, Zone 5a, Can tolerate acid to alkaline soil (pH 5.0 to 8.0) |
 | Tsuga canadensis | Canadian Hemlock, Eastern Hemlock | | Spruces and Firs et al. | Tree > 30 feet, Evergreen, Full sun, Part shade, Shade, Zone 3a, Can tolerate acid to alkaline soil (pH 5.0 to 8.0) |
 | Tsuga caroliniana | Carolina Hemlock | | | Tree > 30 feet, Evergreen, Full sun, Part shade, Shade, Zone , Can tolerate acid to neutral soil (pH 5.0 to 7.4) |
 | Ulmus 'Accolade' | Hybrid Elm 'Accolade' | | | Tree > 30 feet, Deciduous, Full sun, Zone 4b, Can tolerate acid to alkaline soil (pH 5.0 to 8.0), Tolerates salty soil |
 | Ulmus 'Frontier' | Hybrid Elm 'Frontier' | | | Tree > 30 feet, Deciduous, Full sun, Zone 5a, Can tolerate acid to alkaline soil (pH 5.0 to 8.0), Tolerates salty soil |
 | Ulmus 'Pioneer' | Hybrid Elm Pioneer Elm | | None Listed | Tree > 30 feet, Deciduous, Full sun, Zone 5a, Can tolerate acid to alkaline soil (pH 5.0 to 8.0), Tolerates salty soil |
 | Ulmus americana | American Elm | | | Tree > 30 feet, Deciduous, Full sun, Zone 3a, Tolerates salty soil |
 | Ulmus carpinifolia | Smooth-leaf Elm | | | Tree > 30 feet, Deciduous, Full sun, Zone 5b, Can tolerate acid to alkaline soil (pH 5.0 to 8.0), Tolerates salty soil |
 | Ulmus glabra | Scotch Elm; Wych Elm | | High pH | Tree > 30 feet, Deciduous, Full sun, Zone 4b, Can tolerate acid to alkaline soil (pH 5.0 to 8.0) |
 | Ulmus parvifolia | Chinese Elm; Lacebark Elm | | Dry Site Plants | Tree > 30 feet, Deciduous, Full sun, Zone 5b, Can tolerate acid to alkaline soil (pH 5.0 to 8.0), Tolerates salty soil |
 | Ulmus pumila | Dwarf Asiatic Elm: Siberian Elm | | None Listed | Tree > 30 feet, Deciduous, Full sun, Zone 4a, Can tolerate acid to alkaline soil (pH 5.0 to 8.0), Tolerates salty soil |
| Ulmus spp. | Hybrid Elms and other species | | None Listed | Tree > 30 feet, Deciduous, Full sun, Zone , Can tolerate acid to alkaline soil (pH 5.0 to 8.0), Tolerates salty soil |
 | Vaccinium angustifolium | Lowbush Blueberry | | None Listed | Shrub 4 to 8 feet, Deciduous, Full sun, Zone 3a, Requires acid (pH 5.0 to 7.0) |
