National Blueberry Muffin Day 2025 Theme. National blueberry muffin day is an annual observance held on july 11th to celebrate the delicious baked treat that is made with blueberries, flour, sugar, eggs, milk, and. Whether you prefer classic blueberry or a more creative flavor, there's a muffin for everyone to enjoy.

It is dedicated to one of the most beloved desserts. The state muffin of washington is blueberry muffins.