citra is a proprietary hop, so there isn`t a legal way of getting a rhizome. But if you know where they grow some and feel like a midnight raid you could get some.
also here is arrowhead hops rhizomes page if you want to order http://arrowheadhops.com/?page_id=79 you could always email them to see what they will have and prices.
also I know jerry at bluff street brew haus in dubuque get a few varieties if you want to make a trip. http://www.bluffbrewhaus.com/ His email is at the bottom of the page, you could always email him and see what he can get his hands on or what he is going to stock next year.
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