Camellia × williamsii 'Hilo'

RHS Plant Profile
camellia 'Hilo'

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camellia 'Hilo' RHS / Joanna Kossak
camellia 'Hilo' RHS
Shrubs

An upright, evergreen shrub with glossy, dark green foliage. Semi-double flowers borne from late winter into spring have vivid pink, dark-veined petals and golden-yellow anthers

Position

Full shade, Partial shade

Soil Types

Clay, Loam, Sand

Max Height

2.5-4 metres

Max Spread

1.5-2.5 metres

Size

Time to Maturity
10–20 years
Max Spread
1.5-2.5 metres
Max Height
2.5-4 metres

Growing Conditions

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

Position

Full shade Partial shade
Aspect
West–facing or North–facing or East–facing
Exposure
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)
H5

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Theaceae
Native to GB/Ireland
No
Foliage
Evergreen
Habit
Bushy
Genus
Camellia are evergreen shrubs with simple, ovate, glossy, leathery leaves and showy flowers with solitary or clustered flowers early in the year
Name Status
Unresolved

How to Grow

Cultivation

Suitable for woodland and acidic soils. Position in a site sheltered from cold, dry winds and early morning sun as buds and flowers may be damaged by cold winds and late frosts. See camellia cultivation for further information

Propagation

Propagate by semi-hardwood cuttings

Suggested planting locations and garden types

  • Cottage and informal garden
  • Low Maintenance
  • Wall side borders
  • Flower borders and beds

Pruning

Pruning group 8

Pests

May be susceptible to aphids, scale insects and vine weevil

Diseases

May be susceptible to honey fungus (rarely), phytophthora root rot, camellia gall, camellia leaf blight, camellia yellow mottle virus and flowers and camellia petal blight