Do more lights help a plant flower faster?

I understand its suppose to nurture a denser bud growth, but I more or less wanted this last plant to flower before I start throwing extra lights in.

I've been flowering for 3 1/2 weeks, and every other plant was done flowering about 2 weeks ago (done as in showed signs of sex and more light was moved in for those plants). This 1 stubborn bastard will not show anything, and for some reason I'm worrying that it may be a herme. What could be causing this plant to be so behind the others? Its more than 2 feet tall now, I vegged it for 45 days, on 3 1/2 weeks flowering, and not a single sign of sex yet. Should I just be loading my grow house up with a thousand lights from day 1 of flowering? I'm trying to slowly increase the amount by adding as individual plants show sex, figuring it would make the transition less stressful.

it must just be a different species/strain. Some take longer than others. If you don't have boy bits yet, don't stress that it's a hermie. Waiting is the hardest part.

Just to be sure, you have it under 12/12, right?

Yep its on a 12/12 timer. That thing that confuses me is all the seeds came from the same bag, so I would imagine the plants would be more genetically similar than different. The funny thing is the 2 biggest ones, look NOTHING alike (one has round teeth on the leaves the other one is very sharp and pointy). So it sounds right that its prob just a different strain... although I don't know why I have more than 1 strain if it all came from 1 bag.

I have one more question I hope someone can help me with and I'm done for now lol.

But I have to move them into bigger pots this week which will be their final home. The pots you buy at the store are sometimes real high, and I need to conserve space in my grow room. I want to build shallow 3 gallon pots (they def won't go above 3 feet I don't think) out of wood. But they will only be 6" deep, I haven't done the math for the width but they will be much wider than your avg pot. Is this ok for the plants? I'm just worried that plants grow better when their roots grow down, vs growing sideways, but I'm wondering what the experts on here would say.

Is it ok to have shallow wide pots?

I've always heard long and thin is better than short and fat....something about roots growing down. I have no link or proof, but I'd prefer thinner pots so you can have more in one area.