The major draw at Starbucks every fall is the return of all things pumpkin, but primarily, the drink that launched a global cultural phenomenon, the PSL, or Pumpkin Spice Latte. There is also a Pumpkin Cream Cold Brew. Like the PSL, it will be made with real pumpkin that is grown on a farm in Walla Walla Valley, a half-day’s drive from Seattle.