Mile-a-minute is spreading across southern New England:

Connecticut Timeline:

2000: Greenwich

2001: Additional sites in Greenwich

2002: Westport

2004: Bridgewater, New Milford

2007: Greenwich (Calf Island), Lyme, New Milford, Newtown, Norwalk (Sheffield Island only), Roxbury, Torrington, Weston, Westport,

2008: Bridgewater, Danbury, Fairfield, Monroe, North Haven, Stamford

2009: Norwalk (mainland), Simsbury, Stonington

2010: Redding, Sprague

2011: Bristol, Ridgefield, Southbury, South Wilton,  Woodbury

2012: Branford, Groton, Madison, Middlefield, Milford, Old Saybrook, Prospect, Stratford

2013:  Brookfield, Colchester, Farmington, Glastonbury, Meriden,  New Canaan, New Haven

2014: Hamden, Middletown, Southington, Wallingford

2015:  Westport (Cockenoe Island)

2016: Ledyard

2017: Cromwell, Washington, New London, Guilford

2018: Chester, Cheshire, Durham, Niantic (East Lyme), Old Lyme, Trumbull

2019: Coventry, Haddam, Bridgeport, Beacon Falls, Shelton

2020: Portland

2021: Hampton, Manchester, Mansfield, Voluntown

Other States:

Limited occurrences in Massachusetts

Limited occurrences in Rhode Island