http://touch.chicagotribune.com/#sec.../p2p-73201966/

Under the recreational marijuana measures in Colorado and Washington, personal possession of up to an ounce (28.5 grams) of marijuana would be legal for anyone at least 21 years of age. They also will permit cannabis to be legally sold and taxed at state-licensed stores in a system modeled after a regime many states have in place for alcohol sales.

The Colorado measure will limit cultivation to six marijuana plants per person, but "grow-your-own" pot would be still be banned altogether in Washington state.