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Styphnolobium japonicum 'Regent'

Styphnolobium japonicum 'Regent'

Regent Japanese pagoda tree

synonym Sophora japonica 'Regent'

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Description

Styphnolobium japonicum ‘Regent’ is a cultivar of the Japanese pagoda tree selected for its strong, regular growth and a sturdy, straight trunk. This avenue tree selection was introduced to the trade in 1964 by Princeton Nurseries in the United States. The tree reaches a height of twelve to fifteen meters and a width of eight to ten meters. Its characteristic crown is fairly transparent and rounded.

Flowering, which is the main ornamental feature of the pagoda tree, takes place around August and September and begins at a relatively young age in this cultivar, at about ten years old. This is approximately ten years earlier than in the species. The flowers resemble those of the species and consist of upright panicles up to thirty centimeters long with creamy white flowers. They are extremely rich in nectar and therefore highly attractive to bees. After flowering, distinctive fleshy pods develop. The finely pinnate foliage is blue green and firmer in texture than that of the species. In autumn it turns light yellow. On young specimens of Styphnolobium japonicum ‘Regent’, the lenticels on the green twigs are about twice as large and fewer in number.

The tree has modest soil requirements and tolerates all soils except very poor, acidic or waterlogged conditions. Air pollution, paving and to a certain extent road salt are well tolerated, making this cultivar particularly suitable for urban environments. The relatively transparent crown provides pleasant, light shade, making it an excellent choice for wide streets and large squares where shade is desired without creating excessive darkness. The cultivar ‘Regent’ ceases growth earlier in autumn, which reduces susceptibility to fungal diseases. As a young and vigorous tree, Styphnolobium japonicum ‘Regent’ benefits from careful formative pruning to maintain good structure and balance.

Types of planting

Tree types

standard trees multi-stemmed trees climate trees

Topiary on stem

fval multi-stem umbrella

Use

Location

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

Pavement

none none open open sealed sealed

Planting concepts

climate planting eco planting solid planting urban planting

Characteristics

Crown shape

wide oval wide oval

Crown structure

semi-open semi-open

Height

12 - 15 m

Width

8 - 10 m

Winter hardiness zone

5A - 9B

Aspects

Wind

slightly tolerant to wind

Soil

loess sabulous clay light clay sand loamy soil

Nutrient level

moderately rich in nutrients rich in nutrients

Soil moisture level

dry moist

Light requirements

sun partial shade

pH range

acidic neutral alkaline

Host plant/forage plant

bees nectar value 5 pollen value 5

Extreme environments

tolerant to salt spray tolerant to dryness tolerates air pollution tolerates heat

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Order this plant? Or would you like further information about Styphnolobium japonicum 'Regent'? Make an appointment for a detailed planting recommendation.
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Photos

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high-stem standard tree
Styphnolobium japonicum 'Regent' standard tree
high-stem standard tree
Styphnolobium japonicum 'Regent' standard tree
high-stem standard tree
Styphnolobium japonicum 'Regent' standard tree
high-stem standard tree
Styphnolobium japonicum 'Regent' standard tree
high-stem standard tree
Styphnolobium japonicum 'Regent' standard tree
multi-stem multi-stem
Styphnolobium japonicum 'Regent' multi-stem
multi-stem-umbrella multi-stem umbrella
Styphnolobium japonicum 'Regent' multi-stem umbrella
multi-stem-umbrella multi-stem umbrella
Styphnolobium japonicum 'Regent' multi-stem umbrella
multi-stem-umbrella multi-stem umbrella
Styphnolobium japonicum 'Regent' multi-stem umbrella
multi-stem-umbrella multi-stem umbrella
Styphnolobium japonicum 'Regent' multi-stem umbrella
multi-stem-umbrella multi-stem umbrella
Styphnolobium japonicum 'Regent' multi-stem umbrella
multi-stem-umbrella multi-stem umbrella
Styphnolobium japonicum 'Regent' multi-stem umbrella
leaves leaves
Styphnolobium japonicum 'Regent' leaves
leaves leaves
Styphnolobium japonicum 'Regent' leaves
leaves leaves
Styphnolobium japonicum 'Regent' leaves
leaves leaves
Styphnolobium japonicum 'Regent' leaves
leaves leaves
Styphnolobium japonicum 'Regent' leaves
leaves leaves
Styphnolobium japonicum 'Regent' leaves
leaves leaves
Styphnolobium japonicum 'Regent' leaves
leaves leaves
Styphnolobium japonicum 'Regent' leaves
leaves leaves
Styphnolobium japonicum 'Regent' leaves
autumn-leaves autumn leaves
Styphnolobium japonicum 'Regent' autumn leaves
bark bark
Styphnolobium japonicum 'Regent' bark
bark bark
Styphnolobium japonicum 'Regent' bark
bark bark
Styphnolobium japonicum 'Regent' bark
bark bark
Styphnolobium japonicum 'Regent' bark
bark bark
Styphnolobium japonicum 'Regent' bark
bark bark
Styphnolobium japonicum 'Regent' bark
bark bark
Styphnolobium japonicum 'Regent' bark

Flowers

Flowers

panicle striking pendulous flower-scented

Flower colour

cream-white

Flowering period

August - September

Leaves

Leaf colour

blue-green

Leaves

deciduous ovate pinnate nitrogen fixing

Autumn colour

pale yellow

Fruits

Fruit colour

green

Fruits

toxic pod

Bark

Bark colour

grey-brown

Bark

furrowed

Twigs

Twig colour

green

Twigs

bare with lenticels vertical branches long shoots

Root system

Root system

deep moderately branched tap root

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.

Winter hardiness map
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