Boston, MA Tree Protection: Tree Replacement Requirements (2026)

Tree replacement in Boston operates through multiple mechanisms. When public shade trees are removed (with proper approval under MGL c.87), the Parks Department requires replacement plantings, typically at a 1:1 ratio with minimum caliper specifications. The city's Urban Forest Plan has set ambitious planting goals to increase canopy coverage from approximately 27% to 35%. For development projects, the BPDA requires tree replacement at ratios established during Article 80 review — commonly 2:1 caliper inch replacement for specimen trees. Developers may be required to plant replacement trees on-site, on adjacent city property, or contribute to the city's tree planting fund when on-site planting is not feasible. The Parks Department plants approximately 1,000 new trees annually through its ongoing planting program. Residents can request free street tree plantings through the Parks Department. Replacement trees must be appropriate species for Boston's climate, soil conditions, and urban environment. The city maintains an approved species list that emphasizes diversity to prevent the impact of species-specific diseases.