Quercus acutissima (Japanese silkworm oak) — Spreading branched

Overview

Quercus acutissima is a spreading branched trees in the genus Quercus, part of the Fagaceae family, with deciduous foliage. Quercus acutissima grows best in full sun, and tolerates most soils and any pH. Its UK hardiness is rated H6. Suggested uses include architectural.

About

Quercus acutissima, the sawtooth oak, is an Asian species of oak native to China (north-central, south-central, and Manchuria), Korea, Japan, Indochina (Cambodia, Laos, Myanmar, Thailand, and Vietnam), the Himalayas (Nepal, Bhutan, and Northeast India), and according to Flora of China, southeastern Tibet. It is widely planted in many lands and has become naturalized in parts of North America. Quercus acutissima is closely related to the Turkey oak, classified with it in Quercus sect. Grow it in full sun and most soil types. In UK gardens it is very hardy across most of the UK (RHS H6). It works well for architectural. It tolerates soil of any pH, moist but well-drained conditions and east-facing, north-facing, south-facing and west-facing aspects. Plant in well-drained soil in sun or part shade.

Wikipedia contributors, CC BY-SA 4.0 — Quercus acutissima

Growing conditions

Best soil and position for Quercus

Sunlight: Full sun
Soil type: Chalk, Clay, Loam, Sand
Soil pH: Acid, Alkaline, Neutral
Soil moisture: Moist but well-drained
Aspect: East-facing, North-facing, South-facing, West-facing
Exposure: Sheltered
UK hardiness: H6

Plant details

Quercus acutissima size, habit and characteristics

Plant type: Trees
Habit: Spreading branched
Foliage: Deciduous
Suggested uses: Architectural

Care notes

Pruning and caring for Quercus acutissima

Propagation: Propagate by hardwood cuttings in autumn
Pest resistance: May be susceptible to oak processionary moth, aphids, caterpillars, leaf-mining moths and oak gall wasps
Disease resistance: May be susceptible to powdery mildews and honey fungus

Frequently asked questions

Where is the best place to plant Quercus acutissima?

Quercus acutissima prefers full sun. It suits sheltered positions.

What soil does Quercus acutissima need?

Quercus acutissima is adaptable and grows happily in most soil types, including chalk, clay, loam and sand. It is happy in soil of any pH. Aim for soil that stays moist but well-drained.