These ladies sprouted May 4th and I did not put them in flower until July 10th-so they have been in veg for a little over 2 months. I wish I was able to switch them sooner but I had to go out of town and I also battled 2 rounds of root rot (one with each girl) and I wanted to make sure they were both healthy before I switched them to flower. I topped them both early because of my height limitations.
I was able to see little hairs (although I was unsure if that was what I was looking for!) in about 4-5 days after switching to flower, but my girls had almost twice as long as in veg as yours. I have read that it can take up to two weeks for the hairs to show. I think mine showed so fast because they had been in veg for so long.
They are sharing the same container so it is hard to tell where one ends and the other begins but i'd say they are about 2.5 feet tall. Did you top yours at all?
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I have to pull them out of the cabinet later, maybe I can get some better pictures then or at least add something for a size reference. I am very curious to smell them. They aren't producing strong scents yet. I have also read that males show before females so maybe its good that you don't see hairs yet!