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 'Celzam' [sold as Celebration®] [Celebration Freeman Maple] 'Celzam' has a classic upright form with uniform growth, making for a great specimen tree in the landscape. This plant, like most Freeman hybrids, is generally seedless and is also known for its fall color. In early October, 'Celzam' becomes a brilliant red and then slowly changes to gold by late October.
Tree Acer × freemanii 'Marmo' [Marmo Freeman Maple] The Marmo Maple has similar characteristics to its Silver Maple parent, more so than to its Red Maple parent. This cultivar produces staminate flowers, and therefore is seedless. 'Marmo' fall color ranges from reds to greens. Once established, it becomes tolerant to most pests and disease.
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 '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 Indiana Native Acer negundo [Boxelder] Invasive. Very rough in its appearance due to pinnately compound, coarsely serrate leaves paired with a multi-stemmed, irregular habit. Leaves of young specimens may commonly be mistaken for poison ivy. This tree has limited ornamental value in the landscape and is short lived but also extremely tolerant of site conditions. Wherever this species is grown, expect to encounter boxelder bugs (Leptocoris trivittatus). This common pest feeds on the sap of boxelders and maples and is…
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…
Tree Indiana Native Acer rubrum [Red Maple] Tolerant of wet, poorly drained soils and as well as dry conditions. Weak wooded. Intermediate in quality between A. saccharum and A. saccharinum, somewhat prone to breakage in storms, but generally satisfactory. Does not tolerate heavy pollution.
Tree Acer rubrum 'Autumn Flame' [Autumn Flame Red Maple] This cultivar is used for its stunning, bright red color in the fall. It is a good choice for a shade or street tree, since it can handle urban pollution. Place in wet areas for best fall color. The Autumn Flame Maple is a fruitless cultivar.
