Overview

Viburnum dentatum 'Ralph Senior' is a bushy shrubs in the genus Viburnum, part of the Viburnaceae family, with deciduous foliage. Viburnum dentatum 'Ralph Senior' grows best in full sun and partial shade, and tolerates most soils and acid and neutral pH. Its UK hardiness is rated H6. Suggested uses include city and courtyard gardens, coastal and cottage and informal garden.

About

Viburnum dentatum 'Ralph Senior' is a bushy deciduous shrub belonging to the Viburnum genus, known for its opposite, simple or palmately lobed foliage and clusters of small flowers. This cultivar thrives in full sun or partial shade and prefers sheltered positions with moderately fertile, moist but well-drained soil, including chalk, clay, loam, or sand. It is hardy to UK zone H6 and is suitable for a variety of garden settings such as city, courtyard, coastal, cottage, and informal gardens. Interest in this plant spans spring, summer, and winter, and it can be propagated by softwood cuttings in summer.

Growing conditions

Best soil and position for Viburnum

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

Plant details

Viburnum dentatum 'Ralph Senior' size, habit and characteristics

Plant type
Shrubs
Habit
Bushy
Foliage
Deciduous
Suggested uses
City and courtyard gardens, Coastal, Cottage and informal garden

Care notes

Pruning and caring for Viburnum dentatum 'Ralph Senior'

Propagation
Propagate by softwood cuttings in summer
Pest resistance
May be susceptible to aphids and viburnum beetle
Disease resistance
May be susceptible to Phytophthora, honey fungus, grey moulds and leaf spot

Frequently asked questions

Where is the best place to plant Viburnum dentatum 'Ralph Senior'?

Viburnum dentatum 'Ralph Senior' prefers full sun and partial shade. It suits sheltered positions.

What soil does Viburnum dentatum 'Ralph Senior' need?

Viburnum dentatum 'Ralph Senior' is adaptable and grows happily in most soil types, including chalk, clay, loam and sand. It prefers acid and neutral soil. Aim for soil that stays moist but well-drained to well-drained.

Is Viburnum dentatum 'Ralph Senior' hardy in the UK?

Viburnum dentatum 'Ralph Senior' 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 Viburnum dentatum 'Ralph Senior'?

Propagate by softwood cuttings in summer.

More in the Viburnum genus

Browse all Viburnum