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Quercus acutissima

Quercus acutissima

Sawtooth Oak, Japanese chestnut oak

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Description

Quercus acutissima (sawtooth oak) is native to Japan, China, Korea, Northern Thailand, Northern Vietnam and the Himalayas, as a pioneer species that remains part of the climax forests in these areas. This oak was introduced in Europe in 1862 by English botanist Richard Oldham. The tree can grow ten to fifteen metres tall and around ten metres wide and forms a pyramidal crown that becomes egg-shaped and densely branched with maturity. In its original habitats, the sawtooth oak grows up to as much as twenty-five metres tall and forms a broadly spreading crown.

The name acutissima refers to the sharp leaf edges. The typical, glossy dark green leaves strongly resemble those of the sweet chestnut (Castanea sativa) and for this reason this oak is not always correctly identified as such. The foliage stays on the tree well on into winter; it sheds its old yellow-brown foliage just before the new, fresh green leaves appear in the spring. As the foliage emerges, Quercus acutissima produces insignificant female flowers and male yellow-green catkins. In cooler European climates only a few acorns are produced. As it matures, the grey-brown bark of the tree gets deep, orange-brown grooves with an almost cork-like appearance.  

Quercus acutissima is a very strong tree for future climates. This heat-loving species is able to cope well with drought, air pollution and road salt. This makes it a good option in urban areas where its broad, spreading leaf canopy provides shade in parks, squares, avenues and large gardens. This oak can even be used as an avenue tree but it is necessary to take into account the ultimate size of the broad crown. The sawtooth oak prefers sandy, neutral to slightly acidic, well-drained soils where it can develop deep roots. However, it also tolerates clay soils and loamy soils. In Japan, the wood is used in the cultivation of shiitake mushrooms.

Types of planting

Tree types

standard trees multi-stemmed trees shade trees characteristic trees solitary shrubs

Topiary on stem

fval multi-stem umbrella

Use

Location

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

Pavement

none none open open sealed sealed

Planting concepts

climate planting prairie planting

Characteristics

Crown shape

egg-shaped egg-shaped

Crown structure

dense dense

Height

10 - 15 m

Width

6 - 10 m

Winter hardiness zone

5A - 9B

Aspects

Wind

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

Host plant/forage plant

small mammals humans

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 Quercus acutissima? Make an appointment for a detailed planting recommendation.
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Photos

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high-stem standard tree
Quercus acutissima standard tree
high-stem standard tree
Quercus acutissima standard tree
high-stem standard tree
Quercus acutissima standard tree
high-stem standard tree
Quercus acutissima standard tree
high-stem standard tree
Quercus acutissima standard tree
high-stem standard tree
Quercus acutissima standard tree
feathered feathered
Quercus acutissima feathered
multi-stem multi-stem
Quercus acutissima multi-stem
multi-stem multi-stem
Quercus acutissima multi-stem
multi-stem multi-stem
Quercus acutissima multi-stem
multi-stem multi-stem
Quercus acutissima multi-stem
multi-stem multi-stem
Quercus acutissima multi-stem
multi-stem multi-stem
Quercus acutissima multi-stem
multi-stem multi-stem
Quercus acutissima multi-stem
multi-stem multi-stem
Quercus acutissima multi-stem
flowers flowers
Quercus acutissima flowers
leaves leaves
Quercus acutissima leaves
leaves leaves
Quercus acutissima leaves
leaves leaves
Quercus acutissima leaves
leaves leaves
Quercus acutissima leaves
leaves leaves
Quercus acutissima leaves
leaves leaves
Quercus acutissima leaves
leaves leaves
Quercus acutissima leaves
leaves leaves
Quercus acutissima leaves
leaves leaves
Quercus acutissima leaves
bark bark
Quercus acutissima bark
bark bark
Quercus acutissima bark
autumn-leaves autumn leaves
Quercus acutissima autumn leaves
bark bark
Quercus acutissima bark
bark bark
Quercus acutissima bark
bark bark
Quercus acutissima bark
bark bark
Quercus acutissima bark

Flowers

Flowers

catkins discrete pendulous

Flower colour

yellow

Flowering period

May

Leaves

Leaf colour

dark green underside grey-green

Leaves

deciduous lanceolate matt polished dentate

Autumn colour

yellow yellow-brown red

Fruits

Fruit colour

brown

Fruits

striking few fruits acorn

Bark

Bark colour

grey-brown

Bark

deeply furrowed

Twigs

Twig colour

brown

Twigs

hairy bare

Root system

Root system

deep 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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Soil
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Extreme environments
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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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