Pumpkin Spice oreos are, thankfully, available in the USA.
Canada also benefits from pumpkin lattes sold by Canadian franchises of Starbucks, Tim Horton's and Dunkin Donuts. Evidently Canada has a dearth of pumpkin flavored food products. An article in a Toronto newspaper implies that vendors haven't found Canadians interested in pumpkin food products (although actually, pumpkin flavoring has ginger and other products in it).
Anyway, the article is here