It's tea time in Jamaica Plain -- cold-brew tea, to be exact. "Jamaica Plain is a really special community," said Evy Chen, founder of EvyTea, on a recent weekend as she overlooked a patio garden filled with families sipping tea and eating lunch amid the herbs outside her business' new Amory Street warehouse. "I never felt so much of a neighborhood feel as in JP." In Chen's native China, "we drink tea every day -- it's like milk in the U.S.," she said. When she first tried cold-brewed tea, she was "blown away" by its smoothness, natural sweetness and lack of bitterness, all with one-third the caffeine of hot-brewed teas.