I want to keep my plant around 2/1/2 feet how would I properly cut my plant to make it this height?

It doesn't really work that way . . . ummm, it's easiest to maybe veg the plant a month, then put it into flower, then , after the stretch, you'd simply LST it to your desired limits.

Here's a method.
Fishy's bend (LST pics)

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I'd giva ya everything I got . . . for little piece of mind

How exactly would I veg the plant then put it into flowering?

You need to do some research on this site. Use the 'Search' button, you'll find all your answers here.

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Grow the plant a while (2 weeks minimum) under more than 15-16 hours of light (most do 18-24 during veg) then reduce lighting to 12 hours to induce flowering.

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I'd giva ya everything I got . . . for little piece of mind

Ya, this is a outdoor plant. No bull shit with indoor lights. Get over your self punk. Now answer my Question. Tell me; how do I CROP MY PLANT?

lol everyone will rush to answer you right after you abuse the only person trying to help you.. use scissors, test the sharpness of the blade on your wrists first though

start by chopping off leaves from the top of the plant, in a rythmic pattern. keep the sides intact though, you'll want those for later expanding. I'd say cut about 1/3 of the top off the plant, which can be called "Super-Cropping" if done right. hope that helps.

Considering your attitude I would like to suggest that you take a chain saw and whack it right off at the bottom but since you obviously are totally oblivious as to how to find the information you want in any other way than demanding it from others in a very rude manner you really do need some help, in more than just one way, so maybe you might care to follow the links below and watch the videos.
　
I have never grown using this method so I cannot swear these are the very best representations of how to do it but it will at least teach you some of the vast amount of what you have no clue about.
　
http://www.youtube.com/watch?v=2FmXHhKFA5U&NR=1
　
　
http://www.youtube.com/watch?v=H1YEc7ENd5E

http://www.youtube.com/watch?v=P_TY2...eature=related


In the future you may want to consider one or both of the following.
　
Improve your attitude and people skills … play nice with others.
　
Or stop annoying people and use Google to find what you want to learn about.

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Do you know what "nemesis" means? A righteous infliction of retribution manifested by an appropriate agent. Personified in this case by an 'orrible cunt... me.

super crop!!! in my signature is my journal, ull see a link called "super-cropping" in the first post with pics.. its a great thread..explains it all... i do this and if u look threw my pics ull see the efects from this... my plant would be about 3ft+ with out it and they r at about 18inchs cuz of it... it also allows the buds at ur nodes to become tops and mature properly as u will see in my pics