The Seventh Duchess tea blends are all 100% certified organic and contain no artificial colours or flavours. When we say certified organic, it means that stringent standards and regulations have been met to ensure that no synthetic chemicals, fertilisers, pesticides, growth hormones, growth regulators or herbicides have been used in the growth of plants and plant materials. It also involves growers and farmers respecting the environment and animal welfare. For The Seventh Duchess – this means the all of the ingredients of our teas have all been grown precisely, and lovingly to these standards.