you would grow 4 definite females. Take a bunch of clones from your mothers. Throw a batch of 10 clones in a 2 week span into flowering. Every 2 weeks move the 10 clones over a little bit and put 10 more clones into it's place. So on and so on. You'll harvest every 2 weeks. There's a nice thread on how to do it around here if you snoop around a lil Hope this was helpful