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 4.0 — Cornus
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
- Cornus florida 'Fastigiata'Flowering Dogwood

- Cornus kousa 'Tsukuba No Mine'Kousa Dogwood

- Cornus mas 'Kazanlak' (F)cornelian cherry 'Kasanlaker'

- Cornus sanguinea 'Midwinter Fire'Common dogwood
