The only sure way is to grow bigger better smelling buds, What you get is what you get. I still after 5 crops can not get my home grown bagseed to be even close to some regular old commercial weed, in smell or potency categories. Just keep trying till its good. Ive harvested late, early, way late, way early, and what I thought was right on time, and the weed is never very good. It tastes great smells Ok but the buzz is just so so. I get Higher off of some regular old commercial stuff that I do off my Home grown. What could be wrong??