|Acer saccharum is a large maple best known as the source of maple syrup. 'Commemoration' is a fast, vigorous grower with a dense, oval to rounded form, reaching 50 feet tall and spreading 38 feet. Leaf tatter resistant. Mature bark is deeply furrowed, gray brown. Green, leathery leaves turn early to orange and red in fall. Greenish-yellow flowers are borne on 1- to 3-inch clusters, in mid spring. Prefers moist, well drained fertile soil, tolerates shade, does not tolerate pollution or salt. Leaf scorch can be serious in drought conditions, and Verticillium wilt can be serious. It is an excellent tree for large park areas, with unparalleled fall color and overall attractive appearance. Native from eastern Canada to Alabama, Mississippi and Texas.