Great Harvest. If you love a warm, welcoming, fun bakery and coffee shop, Great Harvest Bread Co. is your best stop. We have whole grain breads made with fresh milled wheat, sweet treats and the best coffee and espresso around. We support local farmers, producers, and other local businesses by incorporating their products in our. We make lots of environmentally responsible choices such as compostable packaging, recycling, and composting all the bakery scraps. More important that all of that, we are really nice folks to meet. Discover the charm and history of Old Town Warrenton and make Great Harvest your first stop!