Tree Acer buergerianum [Trident Maple] Needs training to develop single central leader (if that is desired). Popular street tree in Japan. Cold hardiness varies in seed produced stock. In some cases, fruit set is so high as to deplete foliage. Flaking bicolor bark in gray-brown and orange.
Tree Acer × freemanii [Freeman Maple] Stemming from its Silver Maple parentage, this hybrid is an extremely fast grower and tolerant plant, able to withstand drought conditions and heavy soils, which the Red Maple, its other parent, cannot. However, the Freeman Maple has more of the strength in wood of the Red Maple.
Tree Acer × freemanii 'Armstrong' [Armstrong Red Maple] The Armstrong Red Maple is a cross between Acer rubrum and Acer saccharinum and is known for its columnar habit and brilliant red to red-orange fall coloration. This species has the durability of the Silver Maple and can tolerate urban conditions. The root system is less aggressive, though, so it can be planted as a street tree.
Tree Acer × freemanii 'Jeffersred' [sold as Autumn Blaze®] [Autumn Blaze Maple] This cultivar is among the best for fall foliage of both Red and hybrid Red Maples. It is an extremely fast grower and appears to be more drought tolerant than most Acer rubrum cultivars. 'Jeffersred', is often sold under the tradmark name, Autumn Blaze.
Tree Acer × freemanii 'Scarsen' [sold as Scarlet Sentinel®] [Scarlet Sentinel Freeman Maple] This cultivar is a cross between the Red Maple and the Silver Maple, though it's leaves and bark more closely resemble the Silver Maple. It is one of the most adapted maples for southern regions of the country. 'Scarsen' is known for its colorful yellow-orange to orange-red fall foliage and columnar growth form.
Tree Acer miyabei 'JFS-KW3AMI' [sold as Rugged Ridge®] [Rugged Ridge® Miyabe Maple] 'JFS-KW3AMI' is a cultivar is often chosen for its ornamental furrowed and rough appearing bark. This tree is tough, adaptable, and versatile. It also has a charming yellow fall color.
Tree Acer miyabei 'Morton' [sold as State Street™] [State Street Miyabe Maple] This selection has handsome corky bark with an oval form and attractive ascending branches. Acer miyabei 'Morton' is sometimes known as an alternative to Acer campestre, as it is more vigorous and cold hardy.
Tree InvasiveThis plant is considered invasive Acer platanoides [Norway Maple] One of the densest shade trees, widely adaptable to soils and environments, including dry and polluted city conditions. Transplants easily. Extremely dense canopy and shallow root system make it impossible to maintain good turf beneath. Can be a weed problem, especially in cooler parts of the northeast US. Slight susceptibility to verticillium wilt, anthracnose, and leaf scorch. Can be damaged by 2,4-D drift. Does not perform well in southern US (warm nights severely retard growth).…
Tree InvasiveThis plant is considered invasive Acer platanoides 'Crimson King' [Crimson King Norway Maple] Crimson King is a common cultivar used in the industry for its rich maroon foliage throughout the growing season. One of the densest shade trees, widely adaptable to soils and environments, including dry and polluted city conditions. Transplants easily. Extremely dense canopy and shallow root system make it impossible to maintain good turf beneath. Slight susceptibility to verticillium wilt, anthracnose, and leaf scorch. When Norway maple escapes cultivation and invades natural areas it reduces species…
Tree InvasiveThis plant is considered invasive Acer platanoides 'Emerald Queen' [Emerald Queen Norway Maple] This cultivar has ascending branches and an oval habit. Best selection of Norway Maples for urban sites. Fast growth rate and shallow root system. Brilliant yellow in the fall. When Norway maple escapes cultivation and invades natural areas it reduces species richness and native tree regeneration by out-competing other trees and understory species for resources, creating dense shade canopies, and spreading rapidly through high seed production. It also releases toxins that reduce the growth and…