State-by-State

Summary Chart: 24 states and DC have enacted laws to legalize medical marijuana
State Year
Passed
How Passed
(Yes Vote)
Possession Limit
1998 Ballot Measure 8 (58%) 1 oz usable; 6 plants (3 mature, 3 immature)
2. Arizona 2010 Proposition 203 (50.13%) 2.5 oz usable; 12 plants
1996 Proposition 215 (56%) 8 oz usable; 6 mature or 12 immature plants
2000 Ballot Amendment 20 (54%) 2 oz usable; 6 plants (3 mature, 3 immature)
5. Connecticut 2012 House Bill 5389 (96-51 H, 21-13 S) 2.5 oz usable
2010 Amendment Act B18-622 (13-0 vote) 2 oz dried; limits on other forms to be determined
7. Delaware 2011 Senate Bill 17 (27-14 H, 17-4 S) 6 oz usable
2000 Senate Bill 862 (32-18 H; 13-12 S) 4 oz usable; 7 plants
9. Illinois 2013 House Bill 1 (61-57 H; 35-21 S) 2.5 ounces of usable cannabis during a period of 14 days
1999 Ballot Question 2 (61%) 2.5 oz usable; 6 plants
11. Maryland 2014 House Bill 881 (125-11 H; 44-2 S) 30-day supply, amount to be determined
12. Massachusetts 2012 Ballot Question 3 (63%) 60-day supply for personal medical use (10 oz)
2008 Proposal 1 (63%) 2.5 oz usable; 12 plants
14. Minnesota 2014 Senate Bill 2470 (46-16 S; 89-40 H) 30-day supply of non-smokable marijuana
2004 Initiative 148 (62%) 1 oz usable; 4 plants (mature); 12 seedlings
2000 Ballot Question 9 (65%) 2.5 oz usable; 12 plants
17. New Hampshire 2013 House Bill 573 (284-66 H; 18-6 S) Two ounces of usable cannabis during a 10-day period
2010 Senate Bill 119 (48-14 H; 25-13 S) 2 oz usable
2007 Senate Bill 523 (36-31 H; 32-3 S) 6 oz usable; 16 plants (4 mature, 12 immature)
2014 Assembly Bill 6357 (117-13 A; 49-10 S) 30-day supply non-smokable marijuana
1998 Ballot Measure 67 (55%) 24 oz usable; 24 plants (6 mature, 18 immature)
22. Pennsylvania 2016 Senate Bill 3 (149-46 H; 42-7 S) 30-day supply
2006 Senate Bill 0710 (52-10 H; 33-1 S) 2.5 oz usable; 12 plants
2004 Senate Bill 76 (22-7) HB 645 (82-59) 2 oz usable; 9 plants (2 mature, 7 immature)
1998 Initiative 692 (59%) 24 oz usable; 15 plants