Green teas are grown in China, Japan and Taiwan. Most of our green teas come direct from the farmers in Japan. Green tea is unfermented containing less caffeine and a higher concentration of vitamins than fermented teas. Rich in flavor, antioxidants, iron, potassium, vitamins C, B2, D, and K, this tasty drink has it all. General Instructions: 1tsp per 8 oz water at 175°F. Seep 1-3 minutes.