REad the grow guide link in my siggy.
And cannabis seeds are VERY nutritious; grind them coarsely and add them to the dough next time you bake a loaf of bread. They are actually one of the most complete protein sources found in nature, and have all the amino acids in them! If you are getting headaches from malnutrition... lololol I'm kidding but either plant them or eat them for health-food, but you won't get hiiiiigh.