Robinia
Black locust · also Locust, False acacia, Yellow locust
Report an issue with this species
Robinia, commonly known as locusts, are deciduous trees native to eastern and central North America. They feature pinnate leaves and fragrant white or pink flowers in pendulous racemes. Despite their rapid growth and tolerance for poor soil and urban pollution, they are known for invasive root suckers and can be problematic in some urban settings.
Where it grows
Trees in each city's inventory, with the share of that city's named trees this species accounts for.
- 4320.04%—3.8 in
- 3190.07%35 yr11 in
- 1390.28%21 yr2.4 in
- 910.02%36 yr8.2 in
- 640.04%19 yr10 in
- 240.01%—8.8 in
- 200.01%—5.1 in
- 160.01%12 yr16 in
Traits
- Form
- Broadleaf
- Foliage
- Deciduous
- Mature height
- 13–82 ft
- Canopy spread
- 25–35 ft
- Growth rate
- Fast
- Soil
- Well-drained, Sandy, Rocky
- Water needs
- Moderate
- Drought tolerance
- Moderate
- Pollution tolerance
- High
- Roots
- Invasive
- Wildlife value
- High
- Blooms
- Jun, Jul
Trunk diameters across every city: median 7.9 in, mean 9.2 in, 90th percentile 17 in. Measured at breast height, as published by each inventory.
Native range
Terrestrial ecoregions where this species is native. Trees in the dataset mostly stand well outside it.
Temperate Broadleaf & Mixed Forests
- Allegheny Highlands forests
- Appalachian mixed mesophytic forests
- Appalachian Piedmont forests
- Appalachian-Blue Ridge forests
Other Robinia in the catalogue
7 of the top 2,000 species are in this genus.
