HL is right about the stretching, especially under CFLs. Also, they will not show sex until they are sexually mature, regardless of the light schedule. Do they have alternating nodes yet?
what kind of lights are you using and how big is you r room closet or what ever i just wont to know bc i just started mine under cfls i have a small box with about 20,000 lumans or 299 watts and mine are only about a week old yours look like there doing great what strain is it