A weed, that isn’t just a weed!  Rosebay willowherb (Chamerion angustifolium) is a healthy tea that is known for a century – Ivan Chai. Ivan Chai – a fermented herbal tea made from wild willowherb (Epilobium angustifolium). Fermented willowherb (Epilobium angustifolium) tea was a traditional Russian hot beverage for hundreds of years before it was nearly universally replaced by … More Rosebay willowherb (FireWeed) or Ivan Chai