Almost every coffee shop, from the largest global chain to the smallest independent cafe, runs some version of a seasonal or limited-time menu, and while it is easy to dismiss as pure marketing, there is a genuine business logic behind the practice that goes beyond just chasing a trend.
The most obvious driver is novelty and urgency. A drink available only for a few weeks or months gives customers a reason to visit sooner rather than later, and a reason to try something new rather than defaulting to their usual order, which genuinely does drive both foot traffic and average order value during that window, a well-documented pattern in food and beverage retail generally, not unique to coffee.
Seasonal ingredients also genuinely do taste better and cost less at certain times of year, which is a real, practical reason beyond marketing alone. Pumpkin, cinnamon, and warm spice flavors align with when pumpkin is actually in harvest in much of the world, and in the Philippines specifically, ube and mango-based seasonal drinks tend to track when those ingredients are freshest and most affordable locally, giving shops a genuine cost and quality incentive on top of the marketing angle. PhilSTAR Life tends to pick up these local seasonal launches as they happen, which is a good way to catch one before it disappears.
For small independent shops specifically, seasonal drinks also serve as a lower-risk way to test new ideas. A shop can introduce a genuinely experimental flavor combination as a limited seasonal item, gauge customer reaction without committing shelf space or a permanent menu slot, and either retire it quietly if it underperforms or promote it to a permanent menu item if it becomes a genuine hit, a much lower-stakes testing ground than launching something as a permanent addition outright.
There is also a social media and word-of-mouth dimension that has become more prominent over the last decade specifically. A visually distinctive, limited-time drink is more likely to get photographed and shared than a shop's standard, familiar menu, giving small shops a genuinely low-cost form of organic marketing that a fixed, unchanging menu does not generate on its own.
If you are trying to decide whether to try a seasonal drink at a shop you like, it is a reasonable, low-risk way to taste what that particular kitchen or barista is actually creative with, beyond their standard house blend, since seasonal items are often where a shop's staff get the most room to experiment. Just be aware that if you love it, it may genuinely not come back next year, seasonal really does mean seasonal at most independent shops, unlike a large chain's more predictable annual rotation. Morgan Eckroth has a working barista's take on how these menus actually get built, which is more grounded than the marketing version.