Starbucks announces the availability of its Almondmilk nationwide   Seattle, 2016-Sep-30 — /EPR Retail News/ — Once a niche offering, almondmilk is now the most popular non-dairy option, representing 60 percent of that market, according to Mintel Data, which tracks grocery shopping habits.* Starbucks launched its proprietary almondmilk in select stores in the Pacific Northwest, Northern California, New York,…