Recreational marijuana use has been legal in Washington State for 2 years, and while sales of the drug have actually been filling public coffers with tax revenues, the costs for pot have actually also been shrinking considerably on mercurymmj.com .
As of March 2016, the price of legal marijuana in Washington was $9.32 per gram, the Washington Post reported, pointing out information from the state’s Liquor and Cannabis board. The wholesale cost of the drug was $2.99 per gram.
In September 2014, pot was costing about $25 per gram, according to a report from KUOW News. By August 2015, cannabis rates had plunged more than 50 percent to $11 per gram.