Blueberry Muffin induces a moderate cerebral high that helps improve appetite and alleviate stress. As the name suggests, Blueberry Muffin boasts a strong blueberry taste and smell. The nugs are dense, dark green, and covered with amber hairs. Blueberry Muffin is a cross between Afghani and Blueberry. Blueberry Muffin is good for evening and nighttime use, as an Indica strain.