Kentucky was the greatest producer ofhemp in the United States during the 19th and 20th centuries, when it was the source of three fourths of U.S. hemp fiber. Production started to decline after World War I due to the rise of tobacco as thecash crop in Kentucky and the foreign competition of hemp fibers and finished products. In 1970, federal policies virtually banned the production of industrial hemp during thewar on drugs saying allCannabis sativa is aSchedule I controlled substance. Federal law under theAgricultural Act of 2014 allowed research back into hemp. Kentucky began production again with 33 acres in 2014. As of the 2016 harvest season, only two U.S. states other than Kentucky had over 100 acres (40 ha) in hemp production: Colorado and Tennessee. The first 500-acre commercial crop was planted in Harrison County in 2017, and research permits were issued for over 12,000 acres (4,900 ha) that year. The 2016 documentaryHarvesting Liberty concerns the 21st century Kentucky hemp industry.
Kentucky was the greatest producer of U.S. hemp in the 19th and 20th centuries, with thousands of acres of hemp in production.[5][a] SenatorHenry Clay was a "hemp pioneer" and the "strongest advocate" of Kentucky hemp. He grew it on his Kentucky estateAshland and brought new seeds to the state from Asia.[7][8][9][10] Clay's oratory on the Senate floor in 1810 in favor of requiring the Navy to use domestic hemp exclusively for ship's rigging was widely reprinted in newspapers and is credited for beginning the elaboration of theAmerican System.[11] According to a 1902 periodical, Kentucky was responsible for three quarters of U.S. hemp fiber production.[12] Shelby County was one of the main producing counties of hemp. Supposedly Hempridge Road received its name from Senator Henry Clay. It is said that local residents presented Clay with a walking stick fashioned from a hemp stalk. Clay was so delighted that he reportedly declared any community producing such a hempstalk should be “known as Hempridge.[13]” Production reached a peak in 1917 at 18,000 acres, mostly grown in theBluegrass region, then waned due to market forces after World War I as other sources of fiber were introduced.[14][15] A Federal program to reintroduce hemp for wartime needs in Kentucky and other states during World War II reached 52,000 acres in Kentucky in 1943.[16]: 1 The WWII effort is documented in the U.S. Department of Agriculture filmHemp for Victory.[17]
Production of hemp had seen a decline after World War I due to market forces including the rise of tobacco as the cash crop of choice in Kentucky and foreign sources of hemp fiber and finished products.[18] The availability of cheapsynthetic fiber after World War II even further discouraged farmers from growing it.[19]
Federal policies, tightened by theControlled Substances Act of 1970, virtually banned the production of industrial hemp during thewar on drugs. According to an industry group, "the 1970 Act abolished the taxation approach [of the1937 Marijuana Tax Act] and effectively made allcannabis cultivation illegal".[20] TheDrug Enforcement Administration (DEA) refused to issue permits for legal hemp cultivation[b] and held that, since industrial hemp is from the same species plant as prohibited cannabis (despite its being of lower THC yield), both were prohibited under the Controlled Substances Act.[19][22] In the words of a 2015PBS NewsHour segment on hemp, "[t]o the federal government, hemp is just as illegal as marijuana",[23] and according toNewsweek, "allcannabis sativa—whether grown to ease chronic pain, get stoned or make rope—is aschedule I controlled substance".[8]
During this criminalized period, theCornbread Mafia began its illegal cultivation of marijuana by cross-breeding imported cannabis seeds with native hemp plants left behind after the "Hemp For Victory" period inWorld War II.[24]
By the late 20th century, consumer demand for hemp products was resurgent but American farmers were left as bystanders. Imported agricultural products were allowed from other countries, including Canada, but growing hemp legally was not possible in the United States.[25][c] In 1994, Kentucky was one of the first states to consider reintroducing hemp cultivation, with a commission convened by governorBrereton Jones to investigate legal pathways to do so.[26] In 2013, Kentucky passed a state law, Senate Bill 50, allowing production for agricultural research purposes. Although theIndustrial Hemp Farming Act of 2013, which would have allowed hemp production, failed,[16]: 2 agricultural hemp was allowed by federal law under theAgricultural Act of 2014 (farm bill).[8][27] 33 acres in 2014,[28] 922 acres in 2015,[28] 2,350 in 2016,[28] 12,800 acres in 2017,[29] and 6,700 acres in 2018.[30] As of 2016[update] harvest season, only two U.S. states other than Kentucky had over 100 acres (40 ha) in hemp production: Colorado and Tennessee.[31]
TheIndustrial Hemp Research Program was conducted under the auspices of theKentucky Department of Agriculture. Research at theUniversity of Kentucky's Spindletop Research Farm sought to improvedagronomy and includes research on optimizingcannabinoid yield.[32][33] The first research crops at Spindletop andMurray State University were planted in May 2014, with seed obtained from California and, after a legal battle with the DEA, imported from Italy.[34][35] The researchers are also engineering new mechanical harvesters that can reach the 10–12-foot (3.0–3.7 m) high flowers of tall-growing hemp.[36] The first 500-acre commercial crop was planted inHarrison County in 2017,[37] and research permits were issued for over 12,000 acres (4,900 ha) that year.[38]
Under federal law, the THC present in both cannabis and hemp remains a Schedule I controlled substance.[21] Under state law, all hemp grown in compliance with the 2014 farm bill must have a delta-9 THC content not more than 0.3%.[39] Farmers participating in the program must use seeds provided by an educational institution with a DEA license and use varieties expected to be low in THC. A sample of each farmer's hemp crop is tested by the state.[28][40]
Businesses exist in Kentucky which provide agricultural products based on hemp or supporting hemp production.Cynthiana-basedAnanda Hemp has been operating in the Commonwealth since 2014.[42]
Testing of a $400,000 oil extraction facility inWinchester began in March 2016, with full production capacity of 20,000 lb (9,100 kg) per hour expected by the end of the year.[43] GenCanna and Atalo Holdings are hopeful of turning their property at Winchester into a "Hemp Research Campus".[8]
Three varieties of hemp seed from Lexingtonseed companySchiavi Seeds were the first to be certified byColorado Department of Agriculture.[44] Certified in late 2016 for the 2017 Colorado crop, the varieties were originally from Italy and Serbia.[45][46]
Documentary films concerning Kentucky hemp have includedHemp for Victory (U.S. Department of Agriculture, 1942) andHarvesting Liberty (Mike Lewis, 2016), which shows farmers in rural Kentucky considering hemp farming for food, fuel and fiber.[47][48]
^"From the end of the Civil War until 1912, virtually all hemp in the US was produced in Kentucky."[6]
^A legal scholar wrote in 1999, "By law, industrial hemp is classified as a Schedule I controlled substance because of its distant relationship to the much highertetrahydrocannabinol (THC)-containing plant, marijuana. Anyone wishing to grow, cultivate, or manufacture a Schedule I controlled substance must obtain licensing permission from the D.E.A. ... [I]ndustrial hemp cannot be legally grown in the United States because the D.E.A. refuses to grant farmers and entrepreneurs the required permit, Number 225, which would allow the licensee to "manufacture" a "controlled substance." The D.E.A. has never granted these permits."[21]
^According to Purdue researchers in 2002, "In the US, a substantial trade in hemp products has developed, based on imports of hemp fiber, grain, and oil. The American agricultural community has observed this, and has had success at the state level in persuading legislators of the advisability of experimental hemp cultivation as a means of evaluating the wisdom of re-establishing American hemp production."[6]
^"Courthouse lawn, US 127, Danville".Kentucky Historical Marker Database. Kentucky Historical Society. Marker 1279. Archived fromthe original on September 12, 2009. RetrievedFebruary 24, 2019.Kentucky's first recorded hemp crop, 1775, was on Clark's Run Creek, near Danville. Grown by Archibald McNeill, who brought the first seed with him when he located here. (search marker 1279 to locate record)
^Hopkins 2015, p. 215 "For well over a century, the state was the heart and center of the American hemp industry. Most of the fiber produced in this country grew in Kentucky, and most of the manufactories of domestic hemp were concentrated there."
^Hemp for Victory transcript via Schaffer Library of Drug Policy: "This film is designed to tell farmers how to handle this ancient crop now little known outside Kentucky and Wisconsin." Accessed February 24, 2019.
^Moore, Catherine V. (July 20, 2016),"Can Industrial Hemp Save Kentucky's Small Farms?",Yes!, retrievedFebruary 23, 2019,When you ask Kentuckians what they need to make hemp a success, their first answer is always to take the plant off the federal list of controlled substances.
^"Hemp's future hazy as U.S. crop". Associated Press. August 23, 2016. RetrievedFebruary 23, 2019 – viaToledo Blade.[O]nly three states currently have more than 100 acres in [hemp] — Colorado, Kentucky, and Tennessee.
^Kaiser, Cheryl; Cassady, Christy (September 2015),Industrial hemp–legal issues(PDF), Center for Crop Diversification Crop Profile, University of Kentucky College of Agriculture, Food and Environment, retrievedFebruary 24, 2019
Shepherd, Christen D. (Winter 1999). "COMMENT & NOTE: Lethal Concentration of Power: How the D.E.A. Acts Improperly to Prohibit the Growth of Industrial Hemp".The UMKC Law Review.University of Missouri–Kansas City School of Law. 68 UMKC L. Rev. 239.