'Crimson King' is generally considered one of the best red-leaved Norway maple cultivars. The intense maroon color lasts all season long. Fall color is not as good as 'Crimson Queen'. Pests: Problems include powdery mildew, aphids and surface rooting, especially in lawn situations. This popular purple-leaf maple tree is actually a form of the common Norway maple. In fall, the foliage of 'Crimson King' maple turns a deep maroon. Like other Norway maples, it can be invasive in some regions. Botanical Name: Acer platanoides 'Crimson King' Growing Conditions: Full sun Size: 35–45 feet tall, 25–30 feet wide Zones: 3–7 During the spring, the Crimson King will push out small maroon-yellow flowers that give way to purple samaras. Enjoy rich crimson-purple leaves all summer long! The fall color of the Crimson King Maple tree is a bronze-yellow. The Crimson King Maple makes a great Gift Tree! Order one today! The Crimson King maple tree is prized for its full shape and vibrant burgundy leaves. A type of Norway maple, Acer platanoides 'Crimson King' can grow to a height of up to 75 feet. It makes an excellent specimen tree or can be an eye-catching part of a small grove. Given adequate care when it's young, it is low-maintenance and needs little pruning. Crimson King completely lacks fall color, turning from maroon to singed-looking gray-black as fall progresses. Crimson King leaves appear similar to the more common sugar maple but if snapped from the limb the produce a dot of milky latex. Crimson King and Royal Red Maple. What people are typically looking for when they ask for a ‘red maple’ is one of the red-leaved Norway Maple (Acer platanoides) cultivars. These trees retain a deep maroon leaf throughout the year at the expense of no fall color. Crimson King and Royal Red are two cultivars commonly used in our region. Majestic, award-winner Acer platanoides 'Crimson King' (Norway Maple) is a vigorous medium-sized deciduous tree prized for its large, rich purplish-crimson leaves that last throughout the summer and its purple fruits. Its oval to rounded, dense crown fills with ornamental clusters of reddish-orange flowers in the spring, just as the leaves emerge. They give way to purple samaras. In the fall Schwedleri and became known as 'Crimson King'. Extremely similar cultivars are ‘Goldsworthy Purple’ and ‘Royal Red’. ‘Faassen’s Black’ is also from a 1937 red-leaved seedling of Tips Brothers and introduced to the U.S. about 1954. Its foliage has a more bronzy-brown tinge than ‘Crimson King’ and a more open form, as if pruned. 2DuN1Y.