Now in California, where a recent Field poll showed 55 percent voter support for marijuana legalization beyond medical use, four pot legalization ballot initiatives have emerged as contenders for the November ballot.

Yet in the home of America’s largest marijuana economy, advocates remain hesitant about moving forward – and putting the necessary money on the line – to qualify a California pot legalization vote next year. They remain uncertain over the state’s political climate and are frustrated by failure of lawmakers to set rules governing California’s medical marijuana trade, once estimated at $1.5 billion, in the face of federal raids on cannabis businesses.

Some advocates want California to have a regulatory scheme in place for the marijuana market before moving forward, while others argue that 2016 will present a more favorable voting poll for broader legalization.

Read more: As Colorado, Washington legalize recreational pot, California mulls its options | Sacramento Bee