Acer x freemanii 'Armstrong Two'

Armstrong Two Freeman's Maple, Hybrid red maple 'Armstong Two'

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Description

Acer x freemanii ‘Armstrong Two’ (Armstrong Two Freeman’s Maple) was selected by Scanlon Nursery in Olmsted Falls, USA, from the ‘Armstrong’ cultivar in 1976. The ‘Armstrong Two’ is more upright, stays narrower and has a denser structure with finer wood than the ‘Armstrong’ selection. In contrast to other Acer x freemanii selections, the ‘Armstrong Two’ cultivar does not bifurcate. Specimens grown from shoots are preferred, as grafted trees sometimes have delayed incompatibility. Acer x freemanii ‘Armstrong Two’ reaches a height of 15 metres and a width of 4 metres.

In late March, early April, the ‘Armstrong Two’ cultivar blooms hanging, orange-red corymbs. Bees and other insects love them. The large, palmate, doubly serrate leaves bud a beautiful red-violet, and in the summer the leaves turn green with a blue-green underside. Its autumn colours become an even more intense orange-red than those of the other selections, and the hotter the summer was, the more fiery red they get. Acer x freemanii ‘Armstrong Two’ does not bear fruit.

The ‘Armstrong Two’ cultivar is winterhardy, very wind-proof and tolerates air pollution very well. The tree can handle pavement and partly therefore, it is perfect for planting in narrow streets, provided there is a solid underground growth environment. This impressive selection also thrives in parks, in containers and along traffic roads. The ‘Armstrong Two’ cultivar does not have many soil requirements, but the tree does not prefer dry or lime soil. For optimal growth, position this selection in the sun or partial shade.

Types of planting

Tree types

standard trees

Use

Location

street avenue square car park / parking lot park central reservation in containers roof garden large garden small garden cemetery traffic areas, industrial zones

Pavement

none

open

sealed

Planting concepts

prairie planting

Characteristics

Crown shape

columnar

Crown structure

dense

Height

12 - 15 m

Width

3 - 4 m

Winter hardiness zone

4A - 9A

Aspects

Wind

tolerant to wind

Soil

loess sabulous clay peaty heavy clay light clay sand loamy soil all soils

Nutrient level

moderately rich in nutrients rich in nutrients

Soil moisture level

dry moist wet

Light requirements

sun partial shade

pH range

acidic neutral

5.5 - 7.8

Host plant/forage plant

bees butterflies

Extreme environments

tolerant to dryness tolerates air pollution

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Photos

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standard tree

leaves

autumn leaves

bark

twigs

Flowers

corymbose pendulous

Flower colour

orange-red

Flowering period

March - April

Leaves

Leaf colour

buds red-violet green underside blue-green

Leaves

deciduous palmate big opposite doubly serrate lobate

Autumn colour

orange-red

Fruits

no fruit

Bark

Bark colour

grey

Bark

smooth, later on rough

Twigs

Twig colour

red-brown

Twigs

with lenticels

Root system

shallow extensive

For and by green professionals

The TreeEbb is a platform for and by green professionals, in which we collect knowledge and experience from the sector and make this available for users. All the details and photos are free to use for non-commercial purposes. Want to share your tree knowledge? Send photographs and additional information to treeebb@ebben.nl

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Winter hardiness

A plant's winter hardiness is the coldest area in which it is frost-resistant. This is based on the average annual minimum temperature. Winter hardiness zones are thirteen different frost zones in steps of 5.5 degrees Celsius. This format is an international standard for the hardiness of plants. The zones in which the plant is frost-resistant are always included in the description of trees and other vegetation.

Winter hardiness is a genetic characteristic and is not influenced by the location in which the plant is cultivated. This means that a plant that has been cultivated for many years in winter-hardiness zone 6 but has a winter hardiness of 3 is perfectly suited for replanting in a colder zone. It will thrive there thanks to its genetic characteristics.

When choosing planting for a project, the winter hardiness of the plants is extremely important. By choosing species that match the zone in which the project is being created, it is possible to ensure that plants can withstand the minimum temperature in that area.

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