i second nirvana, also High Grade Seeds is reliable. although i haven't ordered personally from them, many people have had success with attitude seeds.
Marijuana Seeds - Worldwide Marijuana Seeds I usually get orders within a week,and they actually guarentee you get your seeds.attitude is aslo very good and a little cheaper,but no guarentee. Cannabis seeds Marijuana Seeds
yes attitude ships to the US as well and has a great variety of dwarf autoflowers if ur growing in a small space like me