Roselle is back! May 29, 2018 Roselle is back! BYO Cup Say Cheese! Posted by Gong Cha NZ on May 29, 2018 in News Have you heard? Roselle is back! Available next Tuesday at all Gong Cha NZ Locations Roselle has a very strong flavour that is both sour and sweet (depending on the sugar level). Bring a friend and come try it today Share this article: 0 Related Articles Botany Store Opening! Cold Brew July: Roasted Nut Series Special Dirtea fresh milk TEA!