It Might Be A Little Harder This Year To Find What You Need For That Pumpkin Pie. There’s A Shortage Of Pumpkin Pie Mix Due To Bad Weather In Morton Illinois Just Outside Of Peoria Were Nearly 90 Percent Of The Nation’s Pumpkin Pie Mix Comes From. Bad Weather Last Year Meant A Slim Supply Into The 2009 Growing Season And Wet Weather Has Affected Crops This Year. Prices Are Also Up About A Dollar A Can.