- Our Dill Yerba Mate tea is a scrumptuous all-natural flavored Yerba Mate coffee substitute with Dill Seeds and Dill Weed (California) that will refresh you with its terrific taste! You will enjoy the earthy and acidity-free Dill aroma and flavor again and again! - Ingredients: Yerba Mate, Dill Seeds, Dill Weed (California) and Natural Dill Flavor.