Acer platanoides Crimson King is a vigorous tree that tolerates most The Crimson King red leaf maple is an adaptable, low-maintenance tree that can grow in nearly any type of soil. This moderately drought-tolerant maple produces a beautiful rich crimson leaf color in cooler climates. Reaching a mature height of 50 feet and width of 35 feet, the Crimson King maple can grow in full sun or in partial shade. Columnar âCrimson Sentryâ Maple. Acer platanoides âCrimson Sentryâ. 25 feet high x 10 feet wide. Columnar shape. Zone 4. Full Sun to part shade. +. Expect the same leaf color as its larger brother âCrimson Kingâ but slower growing. As the name suggests this is a columnar tree perfect for a small yard or a tight place where outward Pests are not normally a major problem with the maple tree. This is especially true when it is planted in a healthy growing environment, U.S. Department of Agriculture plant hardiness zones 3 through 7. The average healthy "Crimson King" Maple stands 35 to 50 feet tall, with an average width of 25 to 40 feet. The Crimson King maple (Acer platanoides âCrimson Kingâ) is a deciduous tree known for its striking deep purple foliage. It is a relatively fast-growing tree, but the growth rate can vary depending on several factors such as climate, soil conditions, and available resources. dmemZ.