It seems like the traditional start date for pumpkin-spice lattes has been broken. Companies such as Dunkin' and Target are beating Starbucks to the punch, offering their own versions of PSLs in July. The move is seen as a response to changing consumer preferences and the increasing popularity of year-round seasonal offerings.

Source: https://www.marketwatch.com/story/pumpkin-spice-lattes-in-july-why-these-companies-are-beating-starbucks-to-the-punch-f713b2e3?mod=mw_rss_topstories