Plant not Sexing??

I have 8 plants currently which i vegged for about 32 days, and I am 12 days into flowering. Each plant has white hairs proving to be female, but my one largest plant has shown NO indication of sex. No pollen sacks, no white hairs...is this normal? Is there any other way to make sure its a female. It's a blueberry feminised...

Anybody?........

you'll have to wait - i've had to wait for four weeks once (I think that is the longest i've waited).

ah ok. Anyway they are coming along beautifully. They are drinking water like crazy and PPM is getting a little hard to control using the General Hydroponics waterfarm system. Im growing 8 plants, all about 32 inches tall at the moment, and they are growing an average of 1/2 inch to 1 inch per day since i started flowering. some sweet colas though, I can't wait for the bud to start forming. Anyone have any ideas on how long it may take to start to see bud formations????

Currently growing: 2 Blue Mystic, 3 Nevelles Haze Hybrid Feminized, 3 Blueberry Feminized. Will post pics in a few.

Growing under 2 400w HPS lights (MH was used for veg) and about 15 CFL's in shop lights. Nice big fans blowing, and 3 carbon filters to handle smell. All in homemade grow sheds I built for under $1000.00. Sprouting was on 10/15/2007, flowering started 11/16/2007.

Pics as promised. Sorry for the shitty quality, had to use a webcam.

Very Nice Set-up!!!

yep - looking good!