I know you didn't ask me, but right now that's what I'm working with is AF's. Don't be surprised when at about day 20 they start to flower. They might only be a couple inches tall with like 4 sets of leaves but they still do a LOT of growing after the start of flowering. I suggest LST to get maximum potential. Here's my first one about 3 weeks from being done, just at the onset of bulking up along with 2 in the back that JUST started flowering:

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She was in between size of the two in the back when starting flower, so you can see how much they still grow.