supercropping questions please help

Hey fellow farmers, i am new to this whole art and am needing some help with supercropping! I am 2 weeks 5 days into the process, and had a few questions. First off when should i start? is there a certian height i should wait for? Also i have done some research on the differences between supercropping indicas and sativas, due to the structural differences there are different spots to where you shall begin with the differing strains. any help would be greatly appreciated