City of Somerville Native Plant Ordinance
City of Somerville Ordinance No. 2021-05, March 25, 2021, Somerville, MA. Section 12-177 Native Plant Requirements. All new plantings shall consist of native plants only in Riparian areas, The community path, The green line extension rail corridor, bioswales, plaza’s, streetscapes and other city-owned properties. A minimum of 75% native plantings in parks. A minimum of 50% native street trees planted by the city each year to increase in subsequent years.