This is one of the plants that I’ve grown 12/12 from seed, sometimes you can get pretty decent yields out of them, over 2oz’s sometimes. Like HW said, it’ll take them 5-6 weeks to ever start showing sex/flowering, no matter what. That first 5-6 weeks is critical in determining your yield, if everything is as perfect as possible you’ll get good vegetative growth, which equals= good yields.
But then again, there’s some strains that just don’t like doing the 12/12 from seed thing.
Here’s some I’ve currently got going-