Good & Proper Tea Loose Leaf Hibiscus Tea 75gHerbal Tea. A refreshingly tart, ruby red infusion, packed full of vitamin C. Grown and harvested by smallholder tea growers, the bright red calyx of the Hibiscus flower is handpicked and dried naturally in the sun. The ruby red infusion is refreshingly tart, bursting with blackcurrant and packed full of Vitamin C. We love the zing, but stir in a dash of honey for added sweetness. A refreshingly tart, ruby red infusion, packed full of vitamin C.