Watermelon Zum Zum is a cannabis strain that is evenly balanced. Although its original breeders and lineage are shrouded in mystery, we know about the other features of this marijuana. It's typically consumed by those who wish to have a lazy morning, and it has both energizing and calming effects. It has a pungent aroma that resembles a mix of ammonia and cheese, but upon exhaling, you will feel a citrus taste with a dash of mango.