O Introduced Pumpkin Pie Spice Commercially. Pumpkin spice is an organic blend of cinnamon, ginger, nutmeg, and cloves or all the spices that traditionally go into a pumpkin pie. In defense of pumpkin spice:

Pumpkin spice is an organic blend of cinnamon, ginger, nutmeg, and cloves or all the spices that traditionally go into a pumpkin pie. Mccormick & company introduced a pumpkin pie spice blend in 1934.