I think if you pay attention to the plants, they are all pretty easy to grow. I never worry too much about yields, I'm more interested in quality of the buds. You can increase yields in many ways, but the quality of a strain is dependent on genetics. GSC, WW, and GG#4 all yield good ! Here's a pic of my GG#4 OD 2021 This is a clone, that's only 4' tall and 4' wide. I swear it's got over 100 terminal buds sites on her !