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Oregon Medical Marijuana Grower Laws. How much medical marijuana can I grow? The laws in regards to growing are very straightforward; you cannot grow more that 6 mature plants and 18 seedlings at any one time. A seedling is a plant less that one foot tall or wide and a mature plant is anything over 1 foot. There are no specific laws saying how big a mature plant can get either. Once the plants are harvested you will want to make sure you have only 24 ounces of usable marijuana. A grower:
Even after decriminalization of state laws, it's still in the law that possession of four ounces or more is a felony. The law also says that growing a single plant is a felony with a fine of $365,000 and up to 20 years in prison. There is a general sense that Oregon has become a marijuana-friendly state much like its neighbor Washington. Growers need to be far away from schools as possession within 1,000 feet of a school can result in jail time.