Holiday drink season has arrived with cafes and restaurants across the country now serving peppermint, gingerbread and cookie-flavored beverages in "red cups." Why it matters: Businesses are capitalizing on holiday cheer to create a buzz and drive sales.

What drinks qualify for Red Cup Day? Here's everything you need to know about qualifying beverages on Starbucks's annual festive giveaway.

It is Red Cup Day at coffee giant Starbucks, an unofficial holiday for java fans who enjoy discounts and rewards. Here's how it works: Stop by a participating Starbucks store on Thursday and get a free, 16-ounce holiday-themed reusable red cup when you purchase one of the coffee chain's special seasonal drinks.