trying to make some new seeds

I tried topping some plants from seeds I has purchased this year (thank you to Boatguy for sharing a link to Uncle Ben's Topping Technique!) I tried to root the cuttings from the topped plants and got one to survive. So then I cloned one of my plants I had identified as male. Of course, the female cutting has turned out to be one of the slowest to flower (it's Fat Banana if anyone is familiar.) The little female is finally making white hairs but it's not flowering quite yet. I have spent the summer picking off the flowers from the male plants so they didn't fertilize anything I didn't want them to. Now that I've harvested all the autos that were on the patio I was thinking I could just leave the males alone and when the female goes into flower mode I would wind up with some brand new seeds. Will this work or should I still keep the males in check until the little female is fully flowering? Many thanks for any advice!

I usually cut off a branch of the male, bring it indoors, place in water, and set it by a window with a piece of paper underneath it.
I collect pollen from the paper and by tapping the male flowers that have opened up.

You can collect fresh pollen every time you see some on the white papper. Just keep placing the air tight container back in the refrigerator after your done. I like using black film cannisters to store the pollen. Keep the pollen refrigerated and use it to pollinate the female flowers in week 3-4 of flower. You can use a small paintbrush to dab the pollen on the female's white hairs.

Or you can use the sandwich bag method. Place pollen in bag, twist tie it around a mid sized flower, shake it and leave it on there for 2 days. The built up condensation will destroy all the unused pollen and it is safe to remove the bag from the plant.

Good luck

Thank you very much! I don't have any big males to cut a branch from - just the little cuttings that are admittedly a little stunted. But I guess my biggest take away is that I do need to wait until my little female is well into flowering before allowing the males to fertilize her.