Butterfly pea flower tea (Blue Tea) is a caffeine-free herbal infusion known for its vibrant blue color and dramatic pH-based color changes—from blue to purple with lemon juice, and bright red when mixed with hibiscus. Its flavor is earthy and woody, resembling green tea. Here’s a deeper look into this fascinating beverage: What Is Butterfly Pea Flower Tea? Made by steeping dried Clitoria ternatea flowers in hot water, Blue Tea is popular across Southeast Asia and increasingly embraced worldwide for its visual appeal, health benefits, and versatility.  Color-Changing Magic Blue Base: The tea naturally brews into a deep cobalt blue due to anthocyanins, natural pigments that act as pH indicators. With Lemon Juice: Adding acidic lemon juice lowers the pH, turning the tea purple. The more lemon juice added, the deeper the purple hue becomes. With Hibiscus: Mixing with hibiscus leaves (which are acidic) transforms the tea into a bright red color. This makes Blue Tea a favorite in mocktails, cocktails, and culinary presentations, where its color-shifting properties add a magical touch.  Flavor Profile Described as earthy, woody, and mildly floral More similar to green tea than to sweet drinks like Blue Curaçao or candy-like flavors Can be enhanced with honey, lemon, or ginger for added taste  Health & Wellness Caffeine-free: Suitable for all ages and times of day Rich in antioxidants: May support skin health, digestion, and stress relief Used traditionally in Ayurvedic and Southeast Asian medicine  Serving Ideas Hot or iced tea Natural food coloring for rice, desserts, or drinks Base for herbal blends and wellness tonics