(TrendHunter.com) Trader Joe's is known for offering a medley of pumpkin-flavored products every fall and this year the brand's autumnal haul also includes a Non-Dairy Pumpkin Oat Beverage. Like Trader... (TrendHunter.com) Trader Joe's is known for offering a medley of pumpkin-flavored products every fall and this year the brand's autumnal haul also includes a Non-Dairy Pumpkin Oat Beverage. Like Trader...