Viburnum opulus 'Nanum'

RHS Plant Profile

dwarf guelder rose

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Other common names

dwarf guelder rose

Shrubs

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A dwarf deciduous shrub, to just under 1m high, with a rounded habit and small, maple-like, palmately lobed green leaves that are tinted copper when young, and turn pink and red in autumn. Rarely or never flowers

Position

Full sun, Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.5-1 metres

Size

Time to Maturity: 5–10 years
Max Spread: 0.5-1 metres
Max Height: 0.5-1 metres

Growing Conditions

Chalk Clay Loam Sand

Moisture: Moist but well–drained or Well–drained
pH: Acid or Alkaline or Neutral

Position

Full sun Partial shade

Aspect: East–facing or 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): H6

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Viburnaceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Bushy
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

Grows well in most moderately fertile, humus-rich, well-drained soils, in full sun or part shade

Propagation

Propagate by softwood cuttings in summer

Suggested planting locations and garden types

City and courtyard gardens
Cottage and informal garden
Flower borders and beds
Hedging and screens

Pruning

pruning group 1

Pests

May be susceptible to aphids and viburnum beetle

Diseases

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