Weyerbacher has already brewed more than half of 2012 Imperial Pumpkin Ale allotment Status Reply Permalink @Weyerbacher Weyerbacher Brewing Brewing batch 38 of 70 of this years Imperial Pumpkin Ale! We won’t be done until Sept! July 18, 2012 6:26 amReplyRetweetFavorite Tweet Breweries: Weyerbacher Brewing Beers: Weyerbacher Imperial Pumpkin Ale