US Grade AA Light Amber (Fancy)
A light amber colored syrup with a mild flavor, usually made from the first brief flows of the season. Considered the highest grade.
US Grade A Medium Amber
Medium amber color and pronounced maple flavor. A good general usage syrup delicate enough to be used with subtle flavors but is generally used as a table syrup.
US Grade A Dark Amber
Deep color with a flavor likened to caramel. Some find it a bit too strong in flavor for general usage but it can be used like Medium Amber grade.
US Grade B
Very dark amber, less sweet with a robust, molasses-like flavor recommended primarily for baking. This is the least expensive variety. Also known as Grade C in Vermont.