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
- Viburnum henryiHenry's viburnum

- Viburnum odoratissimum var. awabuki 'Chindo'

- Viburnum opulus 'Harvest Gold'
- Viburnum phlebotrichum
- Viburnum punctatum

- Viburnum sargentiiSargent viburnum
- Viburnum x rhytidophylloides 'Rhytana'

- Viburnum 'Cornubia'