Ad. To see the problems that arise in the absence of entity integrity through unique primary keys, one could picture a database where an individual's last name is used as the primary key.
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:
Jun 29, 2015. 1  As of July 1, new Oregon laws go into effect making it legal for adults ages 21 and up to possess and use recreational marijuana. It's legal to grow marijuana in the stateâup to four plants per residence, out of public viewâand share it with other of-age adults too. Applications for large-scale growers and retailers aren't being accepted until early 2016, and no Oregon stores are expected to have marijuana for sale until the fall of 2016.