Whether you're growing Sativa or Indica, autoflower or photoperiod, you will need to trim the leaves on your plant. While leaves definitely serve a purpose to the cannabis plant, they can also cover potential budding sites and prevent them from receiving the optimum amount of light.
But, cannabis plants are sensitive, so don't go in blind when trimming! Make sure you trim correctly so that you don't negatively impact the plant.
Trim and prune your marijuana plants correctly to maintain a nice, tidy and productive grow room!