I think if you're going to do this, try the vodka distillation method. If you put straight arugula in, you're going to get a ton of vegetal flavors. All that green material will be like adding lettuce to your beer, and nothing about lettuce beer can be good.
Currently On Draft: Bamberger Rauch Dunkel, Belgian Blond, Pilsener Urquell clone, Smoked Porter
Bottled: Concord Pyment, Mi'Apa Sparkling Mead, Chimay Blue, Old Simcoe American Barleywine, Old Cantankerous
Fermenting and Conditioning: Pseudo-Decoction Munich Dunkel, Left Hook Bitter
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