Plants in genus robinia
Robinia pseudoacacia
Robinia pseudoacacia, native to the Appalachian Mountains, is a fast-growing deciduous tree known for its fragrant white spring flowers. It fixes nitrogen in the soil and is tolerant of urban pollution, drought, and cold. This tree is used for erosion control and produces rot-resistant hardwood.
Robinia pseudoacacia 'Lace Lady'
Robinia pseudoacacia 'Lace Lady' is a dwarf ornamental tree known for its twisting zig-zag branches and fragrant white spring flowers. It attracts hummingbirds and pollinators and features blue-green foliage that turns from apple green to bluish-green. This tree is hardy in USDA zones 4 to 8 and has nitrogen-fixing capabilities, making it a valuable addition to gardens.
Robinia pseudoacacia 'Purple Robe'
Robinia pseudoacacia 'Purple Robe' is an improved variety of Black Locust known for its fragrant purple flower clusters. This fast-growing, drought-tolerant tree reaches 2-3 feet per year and is hardy in USDA zones 4-8. It features reddish bronze leaves that mature to dark blue-green and is less thorny than the native Black Locust.