cfl's will absolutely grow a plant through flowering. Unfortunately there has been COUNTLESS tests, and journals written to confirm that they will NOT grow buds "as nice and juicy" as HID lighting.cfls make buds... why do people under estimate CFLS i dont understand. YES cfls will grow your plants and make buds as nice and juicy as hps. ive see nthis guy grow 1 massive monster yeilding over 3 ounces from cfls and love. lol