Is it legal to purchase and use cannabis in Washington State?

Yes. If you are 21 or over it is legal to purchase and use recreational cannabis. Out of state residence do not have any restrictions as long as they are 21 or over. You can purchase 1 ounce of dried marijuana, 16 ounces of edibles in solid form, 7 grams of concentrates and 72 ounces of infused liquid.

Can you grow your own in Washington?

No. You must purchase from a licensed retail cannabis shop.