How old do I have to be to order from Grassdoor? June 14, 2021 21:17 Per California cannabis regulations, you must be 21+ or 18+ with a valid medical recommendation to place an order. Related articles Can I place an order if I'm visiting from out of state? Can I change my delivery address? Is there a daily limit on how much I can order? What if I received a defective product, or am missing an item? Can I place an order in advance? Comments 0 comments Article is closed for comments.