Butterfly pea flower tea became so big that even Starbucks took note; the coffee mega-chain launched a butterfly pea lemonade cold brew drink in Southeast Asia in 2018. Now, this flower is a ...
From left, raspberry matcha, coconut iced latte, butterfly pea tea lemonade and grape shaken cold brew ($7.25-$7.99) at WhatCoffee & Bakery in Santa Clara. Courtesy WhatCoffee & Bakery.