A grand total of two marijuana stocks trade on the New York Stock Exchange (NYSE). Canadian marijuana grower Canopy Growth Corporation (NYSE: CGC) is one. The stock was listed on the NYSE in May. The other is Scotts Miracle-Gro (NYSE: SMG), which has traded on the NYSE since 1992.In a sense, Canopy Growth and Scotts Miracle-Gro are about as blue chip as you can get for marijuana stocks.