yah, geddy is right about pollen not coming out for awhile.. i just had one of my heri's come out male.. and i was thinking of trying to collect some pollen, and it was left for a lil over two weeks before i changed my mind... it was getting pretty close though.. you will see the pollen sacs come out on a lil string thingy when they are ready to blow though..
if you have the room, males are fun to play around with.. they make great science projects so to speak.. you can always try all kinds of crazy sh*t on them and not have to worry about killing them.. you can starve them, over or under water them, see how much nutes they can take, practice lst of topping or supercropping with, or any other twisted ideas you have always thought about but never wanted to kill a healthy female trying them out on..