When To Transition To Flower. You Must learn how to read the room, Meaning you have to lear how to tell weh the plants ar stable and mature enough to switch over to flower.
Most plants on average veg for 8 weeks around this time you will start to see a bush look and a full canopy. You want it to be around 70% full. leaving room for growth in the reaming weeks so the plant can double in size. that looks like this.