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Viburnum sieboldii 'Seneca'

A vigorous deciduous shrub or small tree to 6m high, with stiff, structural branches and ovate, glossy dark green leaves with impressed veins and toothed edges. Leaves can give off an unpleasant smell when crushed. In late spring and early summer, large domed clusters of small, white flowers are produced, followed by persistent pinkish-red berries that turn black as they mature

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Ultimate height

4–8 metres

Time to ultimate height

10–20 years

Ultimate spread

4–8 metres

Chalk

Clay

Loam

Sand

Moisture

Moist but well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun
Partial shade

Aspect

South–facing or West–facing

Exposure

Exposed or Sheltered

Hardiness
Hardiness ratings
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
H1a: under glass all year (>15C)
H1b: can be grown outside in the summer (10 - 15)
H1c: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20)

Botanical details

Family: Viburnaceae
Native to the UK: No
Foliage: Deciduous
Habit: Bushy, Spreading branched
Potentially harmful: Fruit are ornamental - not to be eaten. Wear gloves and other protective equipment when handling. Pets: Fruit are ornamental, not to be eaten - see the HTA guide to potentially harmful plants for further information and useful contact numbers
Genus: Viburnum can be deciduous or evergreen shrubs with opposite, simple or palmately lobed leaves and clusters of small, often fragrant white or pink flowers, followed by red, blue or black berries
Name status: Accepted

How to grow

Cultivation

Grow in any moderately fertile, moist but well-drained soil in full sun or part shade

Propagation

Propagate by semi-ripe cuttings in summer, or by grafting in late summer or winter

Suggested planting locations and garden types

Architectural
Cottage and informal garden
Low Maintenance
Flower borders and beds

Pruning

Minimal pruning required, if necessary prune immediately after flowering, though this will prevent development of berries

Pests

May be susceptible to aphids and viburnum beetle

Diseases

May be susceptible to Phytophthora, honey fungus, grey moulds and leaf spot

Get involved

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