Pumpkin Spice Peeps. Pumpkin Spice MandMs. Pumpkin Spice Mini Wheats. The Great Pumpkin Spice Latte is coming, Charlie Brown. Get out your Ugg boots and leggings, because on October 8, 2015, the only three letters you need to know are P. S. L. The Big Change You either love it, or if you’re like late-night…