honestly no, the yield will be quite poor, you can veg the plants fine with them, just may take a week or two longer to get them to a good size. really, if you have to use the cfls, use 10 or more of them. I really dont suggest flowering with them cause you might get 1/8th off each plant instead of 1-2oz using an HID light. I did my first grow with floro and cfls and the 2 females were 2.5 feet high, got less than a half off both, I had 6 26watt cfls and 6 15watt 2ft floro tubes.
It will work, and you can grow them big with cfls, but HID does the job so much better, I only use cfls in my house for lighting now, not growing.