Understanding Its Shelf Life and Storage Sumac is a popular spice known for its tangy flavor and vibrant red color, often used in Middle Eastern cuisine. As with any spice, you may wonder, "Does sumac expire?" Understanding the shelf life of sumac and how to store it properly can help you make the most of this flavorful ingredient while ensuring safety and quality. [caption id="attachment_14879" align="aligncenter" width="581"] all about sumac[/caption]...