The definition of a dwelling-house in the cannabis act includes the land contiguous surrounding the premises and any outbuilding on the property.
Under the medical regulations, you can only grow indoor or outdoor. They won't let you do both, which actually doesn't make sense in some cases where people want to start indoor and go outdoor and then come back indoor, especially if you live in the west coast rainforest, but it appears you can do it outdoors under this bill.