First-time may be punished as a misdemeanor, but further possession, or intent to sell, can result in felony charges.

Legalized by Measure 2 on November 4, 2014.^[10]

• Medical use legalized through Proposition 203 in 2010.^[13][14][15]
• Recreational use legalized through Proposition 207 on November 3, 2020.^[16]

• Possession under 3 oz (85 g) a misdemeanor; cities of Fayetteville and Eureka Springs labeled cannabis their lowest law enforcement priority.
• November 8, 2016: medical marijuana legalized when Issue 6 passed by 53%.^[17]

• July 1975: Senate Bill 95 reduced the penalty for possession of 1 oz (28 g) or less of cannabis to a citable misdemeanor.^[18]
• November 1996: first state to legalize medical marijuana when Proposition 215 passed by 56%.^[19]
• November 2016: Proposition 64 passed by 57% to 43%, legalizing sale and distribution, effective January 1, 2018.^[20]

• November 6, 2012: Colorado Amendment 64 passed, legalizing the sale and possession of marijuana for non-medical use including cultivation of up to six plants with up to three mature.^[22][23] Colorado became the second state to legalize, going into effect four days after Washington state,^[23] however, it was the first state for legal retail sales to become established.^[24]

Possession of less than 14 g (0.49 oz) by those 21 or over results in graduated fines and confiscation. Those under 21 face more sanctions, with temporary loss of driver’s license.^[25]

• February 10, 2012: Governor Markell suspended medical marijuana after a Justice Department letter threatened federal prosecution
• August 31, 2016: Gov. Markell signed House Bill 400, expanding medical cannabis programs for those with a terminal illness.^[26][27]

• November 8, 2016: medical marijuana legalized as of July 1, 2017, when voters passed Amendment 2 by 71%.^[28]

• Misdemeanor possession of 1 oz (28 g) or less can be punished by a fine up to $1000 or up to 12 months in jail.^[35] It is a felony for anyone to possess more than 1 oz (28 g), manufacture, deliver, distribute, dispense, administer, purchase, sell, or possess with intent to distribute marijuana and it is punishable by imprisonment for no less than one year and no more than ten years.^[36] City and county level punishments for misdemeanor possessions vary.
• April 16, 2015: use of low-THC CBD oil legalized for medical use, but in-state cultivation, production, and sale remains illegal.^[37]

• June 15, 2000: Governor Benjamin Cayetano signed bill legalizing medical marijuana. First state legislature to do so.^[39][40]
• July 14, 2015: Governor David Ige signed bill allowing medical cannabis dispensaries.^[41]
• July 14, 2016: Governor Ige signed law expanding medical cannabis programs.^[42]
• June 25, 2019: Governor Ige announced that he would not veto a bill passed by the legislature to decriminalize less than 3 g of marijuana. Law went into effect January 11, 2020.^[38]

• Possession of 85 g (3.0 oz) or less a misdemeanor up to 1 year prison or fine up to $1,000 or both. More than 3 oz (85 g) but less than 1 lb (0.45 kg) a felony up to 5 years in prison or fine up to $10,000 or both.^[43]
• 2015: the Idaho Attorney General stipulated that CBD must both contain zero THC and be derived from one of the five identified parts of the cannabis plant, otherwise it is illegal in Idaho under current law.^[44]

• Cannabis Control Act of 1978 allowed for medical marijuana but was never implemented.^[47][48]
• August 1, 2013: Gov. Pat Quinn signed bill legalizing medical marijuana effective January 1, 2014.^[49]
• May 31, 2019: the General Assembly passed the Illinois Cannabis Regulation and Tax Act to legalize recreational marijuana use beginning January 1, 2020, allowing adults age 21 and over to possess up to 30 g (1.1 oz).^[50] With Gov. J. B. Pritzker‘s signature on June 25, Illinois became the first state in the nation to legalize adult marijuana sales through an act of state legislature.^[51][45]

• 1913: prohibited

• 2014: CBD oil legalized

• 1927: prohibited
• 2018: CBD oil exempted from the definition of marijuana.^[52][53][54]

• 2014: CBD legalized

• 1924: prohibited
• 2015: medical cannabis legalized

• 1913: prohibited
• 1976: decriminalized
• 1999: medical cannabis legalized^[56]
• 2009: further decriminalized^[57][58]
• 2016: legalized recreational^[59]

• April 14, 2014: SB 364 decriminalized possession of 10 grams or less punishable by $100 fine for first offense, $250 fine for second offense, and $500 fine plus possible drug treatment for third offense. HB 881 legalized medical cannabis. Both laws effective October 1, 2014.^[60][61]

• 2008: decriminalized cannabis by 63% vote on Question 2. 1 oz (28 g) or less punishable by $100 fine.^[63][64]
• 2012: medical marijuana legalized when Question 3 passed by 60%.^[65][66]
• 2016: legalized recreational marijuana when Question 4 passed by 54%.^[67]

• 2008: legalized medical cannabis
• 2018: legalized recreational cannabis

• 1976: decriminalization^[69]
• 2014: medical cannabis legalized^[70]

• 1978: decriminalized
• 2014: CBD legalized
• 2020: medical cannabis legalized through Initiative 65.^[72][73]

• 2014: decriminalized; CBD legalized
• 2018: Missouri voters approved Amendment 2, allowing for the distribution and regulation of medical cannabis.

• November 3, 2020: Legalized by Initiative 190

Possession up to 1 oz (28 g) fined up to $300 for first offense, with potential mandatory drug education. Second offense fine up to $500 and up to five days’ jail, third offense up to $500 fine and maximum one week jail.^[74]

• November 7, 2000: medical marijuana legalized with 65% vote on Question 9.^[76][77]
• November 8, 2016: recreational marijuana legalized when Question 2 passed by 54%.^[78]
• Home cultivation allowed if 25 miles away from store.^[79]

• July 23, 2013: medical marijuana legalized when Governor Maggie Hassan signed HB 573.^[80][81]
• July 11, 2015: Governor Hassan expanded medical marijuana law.^[82]
• July 18, 2017: Governor Chris Sununu signed bill decriminalizing up to 21 g (0.74 oz).^{[citation needed]}

• November 3, 2020: recreational use legalized by referendum.^[84][85]

• 2007: medical use legalized when Governor Bill Richardson signed Senate Bill 523.^[86][87]
• 2019: legislation to decriminalize was signed into law.^[88]

• July 14, 2014: medical marijuana legalized when Governor Andrew Cuomo signed legislation allowing edibles, oils, pills, and vaporization, but not smoking.^[90][91][92]
• June 20, 2019: full decriminalization bill passed legislature and signed into law by Governor Cuomo. The bill decriminalizes amounts under 2 oz (57 g), providing for a $50 fine for under 1 oz (28 g) and $100 for under 2 oz. It also eliminates the “in public view” loophole whereby police would demand suspects empty their pockets, thus causing the cannabis to be in public view.^[93] The law took effect on August 30, 2019.^[94]

• 1977: decriminalized
• 2015: CBD legalized

• November 8, 2016: legalized medical marijuana when voters passed Measure 5 by 64%.^[95]
• May 2019: decriminalized^[96]

• June 8, 2016: Governor John Kasich signed legislation legalizing medical marijuana.^[97]

• 1933: criminalized^[98]
• 2015: Governor Mary Fallin signed law allowing CBD oil for children with epilepsy.^[99]
• June 26, 2018: voters in Oklahoma approved State Question 788, legalizing medical marijuana.^{[citation needed]}

• 1973: Oregon became the first state to decriminalize cannabis.^{[101][circular reference]}
• November 4, 2014: voters approved Measure 91 providing for possession and sale of set amounts of cannabis.^[102][103]
• Cannabis sentencing reform signed July 1, 2015 by Governor Kate Brown.^[104][105]
• More medical cannabis reforms signed July 28, 2015 by Governor Brown, effective October 1, 2015.^[106][107]
• Governor Brown signed 25% cannabis sales tax.^[108]

• April 17, 2016: medical use law signed by Governor Wolf. Possession of 30 g (1.1 oz) or less up to 30 days in jail and fine up to $500. More than 30g a misdemeanor up to a year in jail and $5000 fine.^[109]

Possession of 1 oz (28 g) $150 fine, three violations within 18 months a misdemeanor with larger fines or prison or both.^[110]

• 2014: Governor Nikki Haley signed Senate Bill 1035, “Julian’s Law”, allowing children with severe epilepsy to be treated with CBD oil if recommended by a physician.^[112]

• November 3, 2020: legalized by referendum.^[114][115]

First-time possession one year supervised probation instead of one year in prison; possession of .5 oz (14 g) or more for resale a felony. CBD oil possession allowed as of May 4, 2015, if suffering seizures or epilepsy with recommendation of doctor.^[116]

• December 2014: possession of up to 2 oz (57 g) of marijuana can result in a jail sentence of up to six months and fine of up to $2,000.^[117]
• June 1, 2015: governor Greg Abbott signed a bill legalizing CBD oil for medical use in patients with intractable epilepsy.^[118]
• May 2019: expanded the qualifying conditions of medical cannabis to include Parkinson’s disease, ALS, autism, multiple sclerosis, spasticity and terminal cancer.^[119]

• 2014: HB 105 signed which allows use of low-THC cannabis oil for patients with epilepsy.^[120]
• March 2018: HB 195 signed which allows cannabis for certain terminally ill patients.^[121]
• Possession up to an 1 oz (28 g) 6-months prison and maximum fine $1,000. Over 10 oz (280 g) $10,000 fine. Selling any amount a felony with 5 years in prison and $5,000 fine.^[122]

• May 19, 2004: medical marijuana legalized when Senate Bill 76 passed^[124]
• June 2007: medical marijuana expanded by SB 7.^[125]
• June 6, 2013: Governor Peter Shumlin signed HB200, decriminalizing 1 oz (28 g).^[126]
• January 2018: HB511 passed,^{[127][128][129]} legalizing recreational use of 1 oz (28 g) and two plants,^[130] taking effect on July 1, 2018.^{[131][132][133]} First state legislature to legalize recreational marijuana.^[134]

• April 2020: decriminalized up to 1 oz (28 g) (punishable by a $25 fine) per legislation signed by Gov. Ralph Northam.^[135]

• 2012: legalized by Washington Initiative 502. The law permits anyone over 21 to carry 1 oz (28 g), and it requires licensed sellers, distributors, and growers. Home growing is not allowed except for medical use.^[136] First state to legalize recreational marijuana on December 6, 2012, four days before Colorado.^[137]

“Compassionate Use Act for Medical Cannabis; providing for protections for the medical use of cannabis…”^[138]

First possession a misdemeanor fine up to $1,000 or imprisonment up to 6 months, or both. Second offense a Class I felony fine up to $10,000 or imprisonment up to 3.5 years, or both.^[141] Medical CBD oil legalized in 2014 and 2017.^[138] In 2020, Madison, WI legalized the possession of up to 1 oz (28 g) of recreational cannabis, including smoking cannabis on public property (not including places where cigarettes are already banned, inside or within 1000 feet of a school, or behind the wheel).^[142]

Being under the influence of marijuana is a misdemeanor up to 90 days in prison and fine up to $100. Possession of 3 oz (85 g) or less a misdemeanor up to 1 year in prison and fine up to $1000.^[143]

• 1998: Initiative 59 was voted in to allow medical marijuana, but its effecting was blocked by Congress until 2009.
• 2014: D.C. Mayor Vincent Gray signed a bill that decriminalized possession of up to 1 oz (28 g) of marijuana in the U.S. capital for persons 18 years of age or older. The law made possession a civil violation with a penalty of $25, lower than most city parking tickets.
• 2014, D.C. voted by ballot Initiative 71 to legalize marijuana possession and cultivation for personal recreational use (commercial production and sale prohibited); the law went into effect February 26, 2015 following 30 days of congressional review.^[145]

In 1999, the territory established a five-year mandatory minimum sentence for possession of any amount of any illegal drug, to explicitly include marijuana, even when medically prescribed in another jurisdiction.^[146]

• November 4, 2014: residents passed a ballot measure that allows cannabis for medical use only.^[147]
• March 2019: the Legislature of Guam passed a bill (by a close vote of 8–7) to legalize recreational cannabis. The Governor of Guam signed the bill into law on April 4, 2019, with immediate effect.^[148]

• September 21, 2018: Republican governor Ralph Torres signed a bill into law to legalize the recreational use of cannabis in the territory.^[149][150]

• May 4, 2015: the governor of Puerto Rico signed an executive order legalizing medicinal marijuana in the U.S territory.^[151]

• December 2014: possession of up to an 1 oz (28 g) was decriminalized.^[152]
• January 2019: medical use was legalized.^[153]