DC (District of Columbia)
Legalized: 2010
Possession Limit: 2 oz dried; limits on other forms to be determined
Delaware
Legalized: 2011
Possession Limit: 6 oz usable
Hawaii
Legalized: 2000
Possession Limit: 3 oz usable; 7 plants (3 mature, 4 immature)
Maine
Legalized: 1999
Possession Limit: 2.5 oz usable; 6 plants
Massachusetts
Legalized: 2012
Possession Limit: Sixty day supply for personal medical use
Michigan
Legalized: 2008
Possession Limit: 2.5 oz usable; 12 plants