Chai tea may have been an oddity at Starbucks years ago, but having a lengthy list of leaf-based options has become all the rage among the barista set, thanks in part to consumers having had their fill of grounds.

In December, Starbucks acquired Teavana, a specialty tea chain with 300 locations in the U.S., Canada and Mexico.
Among specialty retailers like Starbucks, servings of hot tea rose 18% for the year ended February 2013, compared with a year earlier, according to NPD, while the iced variety showed solid growth of 5% over the same period. With the summer months upon us, many chains are rolling out a slew of cold options to quench customers' thirst.
In supermarkets, ready-to-drink tea has been booming for some time; during the past six years, it has grown 58%, to $3.8 billion in wholesale figures, from $2.4 billion. In the U.S. last year, ready-to-drink tea grew 5%, making it the fourth-fastest growing beverage category, according to Beverage Marketing Corp.; it's behind energy drinks, ready-to-drink coffee and bottled water.
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