2.5 times taller yes, but bendingand topping is also a good idea if you want to increase yieldDude, don't waste yur time with bending and shit. Those plants are short as a mofo. I got two 5 footers in a 6 foot head, now that is a fucking problem. Just anticipate being 2 1/2 times taller when you start flowering. That's a safe estimate.