Blueberry Muffin is an indica-dominant hybrid cannabis strain bred by Humboldt Seed Company by crossing Razzleberry and Purple Panty Dropper. Humboldt Seed Co.'s signature creation lives up to its bakery namesake with purplish buds that smell exactly like fresh blueberry muffins. Users report an uplifting buzz that settles into relaxed euphoria, while sweet berry flavors dominate each smooth hit.