Acer x freemanii 'Celzam'

Celzam Freeman's Maple

synonym Acer x freemanii 'CELEBRATION'

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Description

Acer × freemanii 'Celzam' (Celzam Freeman's Maple), also known under the trade name Acer × freemanii 'CELEBRATION'®, is a robust hybrid maple - created from a controlled cross between Acer rubrum (red maple) and Acer saccharinum (silver maple). The cultivar was selected in 1987 by Lake County Nursery, Ohio, United States, for its excellent growth characteristics, compact form, continuous central leader and suitability for urban planting. The crown is narrow pyramidal in its younger years and later develops into a broad pyramidal or oval shape, with a closed, regular branch structure and a height of approximately ten to fifteen metres and a width of approximately six to eight metres.

The leaves of Acer × freemanii “Celzam” are palmate and most similar to those of Acer saccharinum. They are sturdy in structure, bright green in summer with a grey-green underside. In autumn, the leaves change colour strikingly from golden yellow to red. The blossoms appear around March or April as small, reddish flower clusters. An important characteristic of the tree is that Celzam Freeman's Maple produces virtually no seeds. The twigs are reddish-brown and contrast beautifully in winter with the light grey smooth bark, which becomes slightly grooved with age.

Acer × freemanii ‘Celzam’ is ideal as an avenue and street tree and is well suited to urban environments, gardens, squares and parks where shape retention, rapid growth and low maintenance are desired. The selection shows good tolerance to paving and urban stress and is highly resistant to wind. It also has few soil requirements: ‘Celzam’ is suitable for almost all well-drained soil types, with a preference for moderately nutrient-rich to nutrient-rich soils. The tree tolerates both dry and moist conditions. For optimal development and autumn colours, a location in full sun to light partial shade is recommended.

Types of planting

Tree types

standard trees feathered trees multi-stemmed trees climate trees shade trees

Use

Location

street avenue square park central reservation in containers roof garden large garden cemetery traffic areas, industrial zones

Pavement

none

open

sealed

Planting concepts

climate planting urban planting

Characteristics

Crown shape

narrow pyramidal

Crown structure

dense

Height

10 - 15 m

Width

6 - 8 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 alkaline

Host plant/forage plant

bees butterflies

Extreme environments

tolerant to dryness tolerates air pollution tolerates heat

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Photos

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standard tree

multi-stem

leaves

autumn leaves

bark

twigs

Flowers

corymbose discrete

Flower colour

red

Flowering period

March - April

Leaves

Leaf colour

bright green underside grey-green

Leaves

deciduous palmate big opposite leathery laciniate serrate

Autumn colour

yellow red

Fruits

no fruit

Bark

Bark colour

grey

Bark

slightly furrowed

Twigs

Twig colour

red-brown

Twigs

bare

Root system

deep fine roots

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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