I'm proud to not be including this in my strange but true collection, because this is simply a part of life for many Americans. Heres 10 Facts: Voters wanted this. And the law is now in the Colorado constitution after 55% of voters said yes to legalizing recreational marijuana. Retail weed will have a 25% state tax -- plus the usual state sales tax of 2.9% -- making recreational pot one of the most heavily taxed consumer products in Colorado. Some communities are adding even more taxes to the product. Medicinal weed in Colorado still requires a physician's recommendation, and the dispensaries will be separate outlets from the recreational pot retailers. If you are 21 or older, you can buy up to an ounce at a licensed store, as long as you have a Colorado ID. People from outside Colorado can buy a quarter ounce. You won't be allowed to smoke pot in public and, in fact, can't even smoke in the pot shop or other establishments governed by the state's Clean Indoor Air Act. you can grow up to six plants in your home, but the pot patch must be enclosed and locked. it's illegal to possess and use marijuana if you're under 21, but the city of Denver in December decriminalized pot for people between ages 18 and 21. A motorist in Colorado can be ticketed for impaired driving if his or her blood shows more than 5 nanograms of active THC, the active constituent of marijuana, NORML says on its website. in August, the U.S. Justice Department said it won't challenge Colorado or other states with laws legalizing recreational marijuana. Instead, federal officials will focus on serious trafficking and keeping the drug away from children.