Black Locust (Robinia pseudoacacia) is a native tree in Maryland (Deciduous). The sections below summarize where it grows, how to recognize it, and how it supports local ecosystems.
Habitat and range
Native to Appalachian coves but widely naturalized on roadsides, old mines, and sunny waste ground in Maryland.
Identification
Compound leaves with paired oval leaflets; hanging white fragrant racemes; thorns on saplings and some branches; rough furrowed bark.
Soil and moisture
Thrives on poor, droughty, alkaline soils where little else establishes; fixes nitrogen with symbiotic bacteria.
Wildlife value
Excellent spring nectar for bees; seeds sparingly used by birds; can form dense thickets for cover.
Uses and significance
Erosion control and mine reclamation; rot-resistant posts; manage spread, can be aggressive outside native range.