A delight for its ease of growth and remarkably strong chocolate scent and flavor, chocolate mint is the perfect herb for flavoring sweets and in a bracing, flavorful herb tea. Chocolate mint will take a licking and keep on growing due to its tough, aggressive growth characteristics and deserves constant pruning since the most pungent, flavorful leaves are its newest ones. Chocolate mint will grow well in the ground but might be best in a container where it can be used year round while controlling its most aggressive tendencies. Perennial.