Our wild sourdough starter is cultivated in Alaska, shelf stable, made with 100% organic ingredients, and packaged in biodegradable pouches. The stable nature of our yeast allows you to activate your starter and begin working with sourdough at your convenience; next week or years from now. When you activate your Frontiersman Sourdough Starter, you are waking up the same yeasts that we use every day, ensuring that you are baking with an active, healthy, and effective starter.