Jun 12, 2018 Many non-organic tea brands have been found to contain pesticides that are Tetley; Lipton; Twinnings; No Name; Uncle Lee;s Legends of China; King Cole; Signal Black or Pu-reh teas should be steeped for 3-5 minutes; white or green teas should be steeped for 2-3 minutes; Oolong teas...