Camellia - Modern Cultivars

Modern Cultivars

Today camellias are grown as ornamental plants for their flowers; about 3,000 cultivars and hybrids have been selected, many with double or semi-double flowers. C. japonica is the most prominent species in cultivation, with over 2,000 named cultivars. Next are C. reticulata with over 400 named cultivars, and C. sasanqua with over 300 named cultivars. Popular hybrids include C. × hiemalis (C. japonica × C. sasanqua) and C. × williamsii (C. japonica × Camellia saluenensis|C. saluenensis). Some varieties can grow to a considerable size, up to 100m², though more compact cultivars are available. They are frequently planted in woodland settings, alongside other calcifuges such as rhododendrons, and are particularly associated with areas of high soil acidity, such as Cornwall and Devon in the UK. They are highly valued for their very early flowering, often among the first flowers to appear in the late winter. Late frosts can damage the flower buds, resulting in misshaped flowers.

There is great variety of flower forms:-

  • single (flat, bowl- or cup-shaped)
  • semi-double (rows of large outer petals, with the centre comprising mixed petals and stamens)
  • double:-
    • paeony form (convex mass of irregular petals and petaloids with hidden stamens)
    • anemone form (one or more rows of outer petals, with mixed petaloids and stamens in the centre)
    • rose form (overlapping petals showing stamens in a concave centre when open)
    • formal double (rows of overlapping petals with hidden stamens)

The following hybrid cultivars have gained the Royal Horticultural Society's Award of Garden Merit:-

Name Parentage Size Flower colour Flower type Ref.
Cornish Snow cuspidata × saluenensis 04.0m² white single
Cornish Spring cuspidata × saluenensis 04.0m² pink single
Francie L reticulata × saluenensis 64.0m² rose-pink double
Freedom Bell × williamsii 06.5m² red semi-double
Inspiration reticulata × saluenensis 10.0m² rose-pink semi-double
Leonard Messel reticulata × saluenensis 16.0m² rose-pink semi-double
Royalty japonica × reticulata 01.0m² light red semi-double
Spring Festival × williamsii, cuspidata 01.0m² pink semi-double
Tom Knudsen japonica × reticulata 06.3m² deep red double paeony
Tristrem Carlyon reticulata 10.0m² rose pink double paeony
  • Simple-flowered Camellia × williamsii cv. 'Brigadoon'

  • Semi-double-flowered camellia cultivar

  • Double-flowered camellia cultivar

  • Double-flowered hybrid cv. 'Jury's Yellow'

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