Viburnum carlesii

RHS Plant Profile
Koreanspice viburnum

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Koreanspice viburnum RHS
Koreanspice viburnum RHS

Other common names

arrowwood

Shrubs
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A dense, bushy, deciduous shrub, to 2m high and wide, with ovate, toothed dark-green leaves, up to 10cm long, that often turn red in autumn. Rounded clusters of white, fragrant flowers emerge from pink buds in spring and are followed by black fruits

Position

Full shade, Full sun, Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

1.5-2.5 metres

Max Spread

1.5-2.5 metres

Size

Time to Maturity
10–20 years
Max Spread
1.5-2.5 metres
Max Height
1.5-2.5 metres

Growing Conditions

Chalk Clay Loam Sand
Moisture
Moist but well–drained
pH
Acid or Alkaline or Neutral

Position

Full shade Full sun Partial shade
Aspect
North–facing or 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

Fragrance Flower
Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Viburnaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Bushy
Potentially harmful
Fruit are ornamental - not to be eaten. Wear gloves and other protective equipment when handling. Pets: Fruit are ornamentalnot 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
Correct
Plant Range
Korea, Japan

How to Grow

Cultivation

Grows well in most moderately fertile, humus-rich, well-drained soils

Propagation

Propagate by softwood cuttings in summer, semi-ripe cuttings from midsummer to autumn or hardwood cuttings in winter

Suggested planting locations and garden types

  • City and courtyard gardens
  • Cottage and informal garden
  • Coastal
  • Low Maintenance
  • Flower borders and beds

Pruning

Pruning group 1 after flowering. Can be hard pruned successfully in late spring

Pests

May be susceptible to aphids and viburnum beetle

Diseases

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