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Gleditsia triacanthos 'Skyline'

Gleditsia triacanthos 'Skyline'

'Skyline' thornless honeylocust

Description

Gleditsia triacanthos ‘Skyline’ (‘Skyline’ thornless honey locust) was introduced as a cultivar by D. B. Cole in North America in 1957. This thornless selection differs from the main species in its narrower shape. The tree can grow up to 20 metres high, with a width of 6 to 8 metres and a beautiful transparent, egg-shaped crown. The ‘Skyline’ buds leaves much later than other Gleditsia triacanthos cultivars.

In June, Gleditsia triacanthos ‘Skyline’ blooms discreet, yellow-green racemes. The leaves are pinnate and bud a fresh shade of green. That fresh green colour lasts all summer, and turns a spectacular golden yellow in autumn. De ‘Skyline’ cultivar rarely bears fruit. In winter, the tree has a gorgeous, characteristic silhouette with whimsical branches.

Wind, dryness, air pollution, pavement, salt spray and brief wet periods are well tolerated by the Gleditsia triacanthos ‘Skyline’. The tree thrives in partial shade or sunlight, in both moist and very dry soil, with a neutral to acidic pH value. The strong cultivar is very suitable for use in urban areas. It is an excellent selection for streets, but ‘Skyline’ is also a valuable addition for roof gardens. With a nectar and pollen value of 5, bees and other insects are very strongly drawn to this tree.

Types of planting

Trees

standard trees multi-stemmed trees

Use

Location

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

Pavement

none none open open sealed sealed

Planting concepts

eco planting prairie planting

Characteristics

Crown shape

egg-shaped egg-shaped

Crown structure

semi-open semi-open

Height

15 - 20 m

Width

6 - 8 m

Winter hardiness zone

5A - 8A

Aspects

Wind

tolerant to wind

Soil

loess sabulous clay peaty light clay sand loamy soil

Nutrient level

moderately rich in nutrients rich in nutrients

Soil moisture level

very dry dry moist wet

Light requirements

sun partial shade

pH range

acidic neutral alkaline
5.5 - 8.0

Host plant/forage plant

bees nectar value 5 pollen value 5

Miscellaneous

tolerant to salt spray tolerant to dryness tolerates air pollution tolerant to short-term flooding

Get to know Ebben Nurseries

Visit our nurseries with multi-stem trees, climbing trees, trees for avenues and parks characteristic trees and solitary shrubs.

Make an appointment

Place order or further information?

Order this plant? Or would you like further information about Gleditsia triacanthos 'Skyline'? Make an appointment for a detailed planting recommendation.
Call +31(0) 485 31 20 21 or email one of our advisors directly.
Our planting advisors

Photos

Magnify

Seasonal colours

Gleditsia triacanthos 'Skyline' seizoenskleur
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Flowers

Flowers

raceme discrete scented

Flower colour

yellow-green

Flowering period

June - July

Leaves

Leaf colour

dark green buds pale green

Leaves

deciduous ovoid lanceolate pinnate

Autumn colour

golden yellow

Fruits

Fruit colour

black

Fruits

rarely fruits pod

Bark

Bark colour

grey

Bark

smooth, later on rough

Twigs

Twig colour

cinnamon-brown

Twigs

thornless striped with lenticels

Root system

Root system

deep extensive fleshy 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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Geographic location
Winter hardiness zone
OK
Coastal area
OK
Use
Location
OK
Pavement
OK
Host plant/forage plant
OK
Planting concepts
OK
Types of planting
Trees
OK
Multi-stemmed trees
OK
Crown structure
OK
Crown shape
OK
Topiary on stem
OK
Topiary
OK
Height
m
-
m
OK
Width
m
-
m
OK
Aspects
Wind
OK
Soil
OK
Nutrient level
OK
Soil moisture level
OK
Light requirements
OK
PH range
OK
Miscellaneous
OK
Plant characteristics
Flowering period
January
-
December
OK
Flower colour
OK
Leaf colour
OK
Autumn colour
OK
Fruit colour
OK
Bark colour
OK
Special features
OK
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