Camellia sasanqua 'Kenkyō'

RHS Plant Profile
camellia 'Kenkyō'

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camellia 'Kenkyō' RHS / Joanna Kossak
Shrubs
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An upright, evergreen shrub, growing relatively slowly to about 2.5 metres. Foliage is neat, glossy, pointed and dark green; flowers single, white with a tinge of pink and a prominent boss of golden stamens, produced in autumn and winter

Position

Full sun, Partial shade

Soil Types

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

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

Position

Full sun Partial shade
Aspect
North–facing or West–facing or South–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)
H4

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
Accepted

How to Grow

Cultivation

Suitable for acid to neutral soils, in full sun or partial shade, sheltered from cold, dry winds and early morning sun which might damage buds and flowers. May need winter protection in cold areas, especially if grown in a container. See camellia cultivation

Propagation

Propagate by semi-hardwood cuttings

Suggested planting locations and garden types

  • City and courtyard gardens
  • Cottage and informal garden
  • Patio and container plants
  • Low Maintenance
  • Flower borders and beds
  • Wall side borders

Pruning

Pruning group 8

Pests

May be susceptible to aphids, scale insects and vine weevil

Diseases

May be susceptible to honey fungus, phytophthora root rot, camellia gall, camellia leaf blight and camellia yellow mottle virus