What liqueur is associated with elderflower flavoring?

St. Germain is the liqueur specifically known for its elderflower flavoring. It is made from fresh elderflower blossoms, which gives it a unique floral quality that is highly sought after in a variety of cocktails. The liqueur captures the delicate aroma and taste of the blossoms, making it a popular choice among bartenders for adding a subtle sweetness and a distinctive flavor profile to drinks.

The other options, while they may be well-known in the world of spirits, do not feature elderflower. Sambuca Romma is an anise-flavored liqueur, Black Haus is a blackberry liqueur, and Grand Marnier is an orange-flavored liqueur made from a blend of cognac and orange essence. Each of these has its own unique flavor characteristics but does not relate to the elderflower profile associated with St. Germain.