33 Medical Marijuana States
Plus Washington, D.C.
California was the first state to legalize medical marijuana in 1996
2018 has been a banner year for marijuana legalization in North America.
Canada fully legalized it, along with Michigan. Utah and Missouri legalized medical marijuana
US Cannabis Laws - Medical
33 Medical Marijuana States
Plus Washington, D.C.
Alaska
Medical since 1998
Ballot Measure 8
(58%)
1 oz usable;
6 plants
(3 mature, 3 immature)
Arizona
Medical since 2010
Proposition 203
(50.13%)
2.5 oz usable;
12 plants
Arkansas
Medical since 2016
Ballot Measure Issue 6
(53.2%)
3 oz usable per
14-day period
California
Medical since 1996
Proposition 215
(56%)
8 oz usable;
6 mature or
12 immature plants
Colorado
Medical since 2000
Ballot Amendment 20
(54%)
2 oz usable;
6 plants
(3 mature, 3 immature)
Connecticut
Medical since 2012
House Bill 5389
(96-51 H, 21-13 S)
2.5 oz usable
Delaware
Medical since 2011
Senate Bill 17
(27-14 H, 17-4 S)
6 oz usable
Florida
Medical since 2016
Ballot Amendment 2
(71.3%)
Amount to be determined
Illinois
Medical since 2013
House Bill 1
(61-57 H; 35-21 S)
2.5 ounces of usable
per 14 days
Louisiana
Medical since 2015
House Bill 1
(61-57 H; 35-21 S)
2.5 ounces of usable cannabis
per 14 days
Maine
Medical since 1999
Ballot Question 2
(61%)
2.5 oz usable;
6 plants
Maryland
Medical since 2014
House Bill 881
(125-11 H; 44-2 S)
30-day supply,
amount to be determined
Massachussetts
Medical since 2012
Ballot Question 3
(63%)
10 oz
per 60-day
Michigan
Medical since 2008
Proposal 1
(63%)
2.5 oz usable;
12 plants
Minnesota
Medical since 2014
Senate Bill 2470
(46-16 S; 89-40 H)
30-day supply of
non-smokable marijuana
Missouri
Medical since 2018
Senate Bill 2470
(46-16 S; 89-40 H)
30-day supply of
non-smokable marijuana
Montana
Medical since 2014
Initiative 148
(62%)
1 oz usable;
4 plants (mature);
12 seedlings
Nevada
Medical since 2000
Ballot Question 9
(65%)
2.5 oz usable;
12 plants
New Hampshire
Medical since 2013
House Bill 573
(284-66 H; 18-6 S)
2 ounces of usable cannabis
per 10-day period
New Jersey
Medical since 2010
Senate Bill 119
(48-14 H; 25-13 S)
2 oz usable
New Mexico
Medical since 2007
Senate Bill 523
(36-31 H; 32-3 S)
6 oz usable;
16 plants
(4 mature, 12 immature)
New York
Medical since 2014
Assembly Bill 6357
(117-13 A; 49-10 S)
30-day supply
non-smokable marijuana
North Dakota
Medical since 2016
Ballot Measure 5
(63.7%)
3 oz
per 14-day period
Ohio
Medical since 2016
House Bill 523
(71-26 H; 18-15 S)
Maximum of a 90-day supply,
amount to be determined
Oklahoma
Medical since 2018
House Bill 523
(71-26 H; 18-15 S)
Maximum of a 90-day supply,
amount to be determined
Oregon
Medical since 1998
Ballot Measure 67
(55%)
24 oz usable;
24 plants
(6 mature, 18 immature)
Pennsylvania
Medical since 2016
Senate Bill 3 (149-46 H; 42-7 S)
30-day supply
Rhode Island
Medical since 2006
Senate Bill 0710
(52-10 H; 33-1 S)
2.5 oz usable;
12 plants
Utah
Medical since 2018
Proposition 2
(52.75%)
14-day supply
(2 Oz limit)
Vermont
Medical since 2004
Senate Bill 76
(22-7) HB 645 (82-59)
2 oz usable;
9 plants
(2 mature, 7 immature)
Washington
Medical since 1998
Initiative 692
(59%)
8 oz usable;
6 plants
Washington, D.C.
Medical since 1998
Amendment Act B18-622
(13-0 vote)
2 oz dried
West Virginia
Medical since 2017
Senate Bill 386
(74-24 H; 28-6 S)
30-day supply
(amount TBD)