If it clears those two hurdles, organizers then need to collect 442,958 valid voter signatures from at least 44 of 88 counties by July 1 to qualify for the November 2020 ballot.

The proposed constitutional amendment would legalize marijuana use for adults 21 and older; allow home growing of up to six plants, including three mature flowering plants; allow individuals to possess up to one ounce; and require the state to regulate the industry substantially like it does alcohol. It would prohibit public use and private property owners would be allowed to prohibit use.

Ohio voters last weighed in on legalizing marijuana in November 2015 when they rejected a constitutional amendment that would have designated 10 investor-owned growing areas. State Issue 3, the ResponsibleOhio plan, was defeated in a stunning landslide 65 percent to 35 percent on Nov. 3, 2015. It was opposed by business, health, civic and political leaders as well as pro-pot advocates.

Ohio lawmakers crafted a legal medical marijuana law in 2016 and the first dispensaries opened in January 2019.