A bill to amend the Agricultural Marketing Act of 1946 to provide for State and Tribal regulation of hemp production, and for other purposes.

Hemp Farming Act of 2018 This bill legalizes industrial hemp that has a tetrahydrocannabinol (THC, the psychoactive component of marijuana) concentration of no more than 0.3% by removing it from schedule I of the Controlled Substances Act. States and Indian tribes may regulate the production of hemp by submitting a plan to the Department of Agriculture (USDA). The bill also makes hemp producers eligible for the federal crop insurance program and certain USDA research grants.