Overview

Cornus nuttallii 'Portlemouth' is a bushy, matforming, suckering shrubs in the genus Cornus, part of the Cornaceae family, with deciduous foliage. Cornus nuttallii 'Portlemouth' grows best in full sun and partial shade, and tolerates most soils and any pH. Its UK hardiness is rated H6, H7. Suggested uses include cottage and informal garden, wildlife gardens, flower borders and beds and hedging and screens.

About

Cornus nuttallii, the Pacific dogwood, western dogwood, or mountain dogwood, is a species of dogwood native to western North America. The tree's name used by Hul'q'umi'num'-speaking nations is Kwi’txulhp.

About the genus

Cornus is a genus of about 30–60 species of woody plants in the family Cornaceae, commonly known as dogwoods or cornels, which can generally be distinguished by their blossoms, berries, and distinctive bark. Most are deciduous trees or shrubs, but a few species are nearly herbaceous perennial subshrubs, and some species are evergreen. Several species have small heads of inconspicuous flowers surrounded by an involucre of large, typically white petal-like bracts, while others have more open clusters of petal-bearing flowers.

Wikipedia contributors, "Cornus", CC BY-SA 4.0Cornus

Growing conditions

Best soil and position for Cornus

Sunlight
Full sun, Partial shade
Soil type
Chalk, Clay, Loam, Sand
Soil pH
Acid, Alkaline, Neutral
Soil moisture
Moist but well-drained, Well-drained
Aspect
South-facing, East-facing, West-facing, North-facing
Exposure
Exposed, Sheltered
UK hardiness
H6, H7

Plant details

Cornus nuttallii 'Portlemouth' size, habit and characteristics

Plant type
Shrubs
Habit
Bushy, Matforming, Suckering
Foliage
Deciduous
Suggested uses
Cottage and informal garden, Wildlife gardens, Flower borders and beds, Hedging and screens

Care notes

Pruning and caring for Cornus nuttallii 'Portlemouth'

Propagation
Semi-hardwood cuttings, Hardwood cuttings, Grafting, Division, Layering
Pest resistance
Generally pest-free
Disease resistance
May be susceptible to cornus anthracnose and honey fungus

Frequently asked questions

Where is the best place to plant Cornus nuttallii 'Portlemouth'?

Cornus nuttallii 'Portlemouth' prefers full sun and partial shade. It suits exposed and sheltered positions.

What soil does Cornus nuttallii 'Portlemouth' need?

Cornus nuttallii 'Portlemouth' 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 to well-drained.

Is Cornus nuttallii 'Portlemouth' hardy in the UK?

Cornus nuttallii 'Portlemouth' 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 Cornus nuttallii 'Portlemouth'?

Semi-hardwood cuttings, Hardwood cuttings, Grafting, Division, Layering.

More in the Cornus genus

Browse all Cornus