I have 9 trainwrecks out right now all at least 4 feet tall and the largest is pushing 6 feet and just starting to flower. Easy to grow so far. Indoor got almost a half pound dry of two plants in a closet with 400 watt hps. Check out my thread I have lots of pic's of my outdoor there.im telling you now to go online to the seed banks and find the strain" TRAIN WRECK ".. last year i had 5 of these beauties around 8bucks a pop .... i started them in first week of june and chopped down in october and i had 4 of them 6ft tall or more and had a pound or more on each plant..and was awesome smoke at that..