there is 9 alternating nodes on the plant total...there is 4 plants in the dwc kit right now cuz i dont have enough cash to get a bigger one yet but they were doing perfectly fine before till like 4 days ago...like the roots n stuff arent tangling up with each other or nething and ones of my buddies grew 4 plants in one of these before but i wish i did have enough cash to get a bigger one...