ive found that most of mine started flowering from the fourth node, they are easy bud from royal queen ( i believe ak47 x lowryder 2 ) i have 4 on the go under a 250w HPS with 2 x 75w cfls as sidelights. I grew lowryder 2 a few months back under the same setup and they did the same apart from 1 which got 4ft tall LOL, as far as i no they do have a veg/seedling cycle which lasts no longer than 3/4 weeks