I have two that are about 5"11 and two that are about 3"6 on top of five gallon buckets to even out the canopy. Im using 5 Gallon pots,promix bx,jungle juice and 600 watt HPS. I poped two Cheese auto and two White Cheese auto at the same time. One from each strain stayed around 3"6 and one of each got very big fast. Dinafem really nailed the cheese smell for the cheese auto. The white cheese has a more sweeter aroma to it.