'Warrenred' (or Pacific Sunset) is a cross between the Shantung Maple (Acer truncatum) and the Norway Maple (Acer platanoides). It is a rounded, upright grower that can reach a height of 30 feet with a spread of 25 feet. Its dark green lobed foliage turns bright orange and red in the fall. It is hardy to Zone 4, prefers full sun and tolerates a wide range of soil conditions making it a good candidate for a street tree.