43 days and no sex...

Hmm that title doesn't sound good... (lol I WISH it was only 43 days.. ;))

Anyways, I popped 5 AK48 seeds and 5 NL5xHaze seeds 43 days ago, and as of yet, only one AK48 has shown sex as female (a week ago). They are all under 24/0 4' cfl tubes. Temps are good (high 60's), humidity is really low (20ish % - I cannot keep water in the air at all during winter it seems, when the house heater kicks on it disappears)

I knew the NL5xHaze would take a little longer, but I have never had it take so long for plants to even hint at sex - granted I have not grown from seed but 5 or 6 times. But I don't want to put them in 12/12 to force flower them, I am trying to grow them larger.

Whats the longest any of you has had to wait to have a plant determine/identify sex?

mines 45 days old i believe and have no pistils i got some pre sex showing but neither male or female it looks more female to me cause they dont look like sacks but still not sure