The Royal Red Maple, Acer platanoides 'Royal Red', is a Norway Maple selection that is similar to 'Crimson King', but with a somewhat slower growth rate, and what some consider, slightly better color. Royal Red is also less vigorous and less prone to frost cracks. A dense shade tree, it has a straight trunk with a well-shaped canopy, and it has a crown which is originally conical before becoming broadly round. Royal Red's glossy foliage is an excellent maroon red all season. It is heat tolerant and moderately drought resistant once established. Plant in full sun to partial shade in average well-drained soil. Adaptable to various soil conditions and is great as a shade or specimen tree. It does well on most soil types and tolerates air pollution.