What are the shelf-life of Wild Earth treats? February 11, 2019 20:32 Updated Once baked and packaged, Wild Earth treats have a shelf life of 15 months. Related articles Are you hiring? How long will Wild Earth treats be good for once the package is open? How many Wild Earth treats can I give my dog a day? How can I get in touch if I have additional questions about Wild Earth and/or your products? How can I track my order?