making a cross question

i am wanting, just because me thinks it might be something different, to have a cross between C99 male and Master Kush female.
and thought i would bring it up here...how late in flowering of the MK can i introduce C99 male?
say like if i wait till really late in flowering will i have less seeds and the MK still have plenty of potency?
dont beat me up over this, it's just a question and i really don't know. i no longer talk in my area of such questions..
thanks in advance.

I would want to introduce the male not much later than the third week of flowering to make sure there is plenty of time to grow mature, healthy seed. You can do it later, but the ratio of white undeveloped seeds will go up.

A better bet would be to flower the male separately and gather the pollen. Store it in a dark, air-tight container in the freezer if you don't need it right away. You can use the pollen to grow seeds on a single branch of your female this way and not lose all of your good bud. Just paint it onto the pistils of a one branch, put a plastic bag over that branch and close it up tight then gently shake it around a bit to dust it all up. Mist it all down with water, including the bag, as you slide it back off the branch to ruin any leftover pollen. I've used this method a few times now with great results, just keep all the rogue pollen in check or you'll have more seeds than you could ever grow. Good Luck!

thx. great logical method. kudos.

No problem. It's worked well for many, and now you'll be among them.