Wild Sumac MargaritasThe official summer drink here at SIGMA 3, has got to be Sumac Lemonade. What a tangy and invigorating flavor! We love sumac lemonade and we also love margarita’s so we thought, why not mix the two together and make an awesome wild summer drink for your parties! This is one of the simplest drinks to make. Here is all you need!Ingredients for 1 gallon4 cups of sumac seeds (add more for extra flavor); Rhus Coppalina, winged sumac or any type of sumac seeds other than