Camellia azalea

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Synonyms

Camellia changii

Shrubs
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An evergreen shrub or small tree to 4m high, with long, oval, leathery dark green leaves that are pale green underneath. Produces single red flowers, 8-10cm across, with petals notched at the tips. This half-hardy species is unusual in producing its flowers, singly and in clusters of up to 5, over a long period from early summer well into autumn

Position

Full sun, Partial shade

Soil Types

Clay, Loam, Sand

Max Height

2.5-4 metres

Max Spread

2.5-4 metres

Size

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

Growing Conditions

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

Position

Full sun Partial shade
Aspect
East–facing or South–facing or West–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)
H3

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
Correct

How to Grow

Cultivation

Prefers acidic soil with plenty of organic matter and good drainage. May be grown outdoors in frost-free areas, or in a conservatory or large container that can be moved indoors in winter. Position in full sun or light shade, and shelter from cold, dry winds. Though this species is not currently widely grown, it is the subject of much research into the production of summer flowering camellias, and has been recorded flowering well into winter in ideal conditions. See camellia cultivation for more detailed advice

Propagation

Propagate by grafting in late winter

Suggested planting locations and garden types

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

Pruning

Pruning group 8 (evergreens), after flowering

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. Flowers may be infected by camellia petal blight