Overview

Cupressocyparis leylandii is a columnar upright, bushy conifer in the genus Hesperotropsis, part of the Cupressaceae family, with evergreen foliage. It typically grows around 40.0 m tall. Cupressocyparis leylandii grows best in full sun, and tolerates most soils and any pH. Its UK hardiness is rated H6. Suggested uses include hedges and screens.

About

The Leyland cypress, Cupressus × leylandii, × Cuprocyparis leylandii or × Cupressocyparis leylandii, often referred to simply as leylandii, is a fast-growing coniferous tree much used in horticulture, primarily for hedges and screens. Even on sites of relatively poor culture, plants have been known to grow to heights of 15 metres (49 ft) in 16 years.

Wikipedia contributors, CC BY-SA 4.0 — Leyland cypress

Growing conditions

Best soil and position for Hesperotropsis

Sunlight
Full sun
Soil type
Sandy, Loamy, Clay
Soil pH
Acid, Alkaline, Neutral
Soil moisture
Moist but well-drained
Aspect
South-facing, West-facing, East-facing
Exposure
Exposed, Sheltered
UK hardiness
H6

Plant details

Cupressocyparis leylandii size, habit and characteristics

Plant type
Conifer
Habit
Columnar upright, Bushy
Foliage
Evergreen
Height
40.0 m
Suggested uses
hedges, screens

Care notes

Pruning and caring for Cupressocyparis leylandii

Pruning
Regular pruning recommended to maintain shape and control growth
Propagation
Cuttings
Pest resistance
Conifer aphid, Scale insects
Disease resistance
Bacterial canker, Honey fungus

Frequently asked questions

Where is the best place to plant Cupressocyparis leylandii?

Cupressocyparis leylandii prefers full sun. It suits exposed and sheltered positions.

What soil does Cupressocyparis leylandii need?

Cupressocyparis leylandii is adaptable and grows happily in most soil types, including sandy, loamy and clay. It is happy in soil of any pH. Aim for soil that stays moist but well-drained.

How do I prune Cupressocyparis leylandii?

Regular pruning recommended to maintain shape and control growth.

How big does Cupressocyparis leylandii grow?

Cupressocyparis leylandii reaches a height of 40.0 m.

Is Cupressocyparis leylandii hardy in the UK?

Cupressocyparis leylandii has an RHS hardiness rating of H6, meaning it is very hardy, tolerating -20 to -15°C across most of the UK.

How do I propagate Cupressocyparis leylandii?

Cuttings.

From the Fenn Plants journal