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Camellia × williamsii

Cultivar group of shrubs

Summary

Cultivar group of shrubs

Field	Value
name	Camellia × williamsii
image	File:Bloem van een Camellia × williamsii 'Roger Hall'. 20-04-2021 (actm.) 01.jpg
image_caption	Camellia × williamsii 'Roger Hall'
genus	Camellia
species	Camellia × williamsii
group	× williamsii
origin	Originally bred in Cornwall by J.C. Williams.

Camellia × williamsii is a cultivar group of hybrid evergreen shrubs that are derived from a crossing of Camellia saluenensis with Camellia japonica. It was originally bred in 1923 at Caerhays Castle in Cornwall by John Charles Williams.

Cultivars

Williamsii cross camellias are hardier than most, and will grow outside anywhere in the UK. Some varieties are known to perform better in colder climates than in warmer ones. 'E.G. Waterhouse', for instance, grows better in Melbourne than it does in Sydney, where it was bred. Hybrid vigour has made the group unusually floriferous, with such varieties as 'St Ewe' flowering for four to five months (December to April in the UK). Some crosses show the elliptical and pointed leaves of C. saluenensis, others the more rounded leaves of C. japonica. Some crosses introduced colours new to camellias: 'Donation' is said to be Tyrian rose, 'Lady Gowrie' fuchsine pink. Nearly all crosses have flowers with translucent petals.

More than 100 named cultivars have been bred.

AGM cultivars

Main article: List of Award of Garden Merit camellias

The following cultivars have gained the Royal Horticultural Society's Award of Garden Merit.

Name	Flower colour	Height (m)	Spread (m)
Anticipation	rose-pink	4.0	2.5
Bowen Bryant	pink	4.0	4.0
Brigadoon	pink	4.0	2.5
China Clay	white	2.5	2.5
Clarrie Fawcett	pale pink	4.0	4.0
Daintiness	salmon pink	4.0	2.5
Debbie	rose pink	4.0	4.0
Donation	pink	8.0	8.0
E.T.R. Carlyon	white	4.0	2.5
Elegant Beauty	rose pink	4.0	2.5
Elsie Jury	rose pink	4.0	2.5
George Blandford	pink	4.0	4.0
Glenn's Orbit	deep pink	4.0	4.0
J.C. Williams	pale pink	4.0	4.0
Joan Trehane	pink (light)	4.0	4.0
Julia Hamiter	pink/white	4.0	4.0
Jury's Yellow	white/yellow	4.0	4.0
Les Jury	crimson	2.5	1.5
Muskoka	pink/red	4.0	4.0
Ruby Wedding	red	2.5	2.5
Saint Ewe	rose pink	4-0	4.0
Señorita	pink	2.5	2.5
Water Lily	rose pink	4.0	2.5

Gallery

File:Camellia x williamsii 'Brigadoon'.JPG|'Brigadoon' File:Camellia x williamsii 'Citation'.jpg|'Citation' File:Camellia x williamsii 'Debbie'.jpg|'Debbie' File:Camellia × williamsii 'Daintiness'.jpg|'Daintiness' File:Camellia x williamsii 'La Sonnambula'.JPG|'La Sonnambula' File:Camellia × williamsii 'Taylor's Perfection'.JPG|'Taylor's Perfection' File:Margaret Waterhouse 2 RBG 19-8-2017.jpg|'Margaret Waterhouse'

Cultivation

C. × williamsii is an excellent companion to other acid-loving woodland plants such as rhododendron. It grows best in acid soil, ph5.5-6.5, in a sunny or partially shaded, sheltered position. In areas with frost and cold winds, it should be positioned facing away from the morning sun, as the flower buds are easily damaged.

References

Rowell, Raymond J.. (1980). "Ornamental Flowering Shrubs in Australia". AH & AW Reed Pty Ltd.
"Camellias".
"Plant of the month".
(1968). "The Magic of Camellias; Creative Ideas for Japanese Flower Arrangement". Ure Smith.
"''Camellia'' × ''williamsii'' 'Anticipation'". Royal Horticultural Society.
"''Camellia'' × ''williamsii'' 'Bowen Bryant'". Royal Horticultural Society.
"''Camellia'' × ''williamsii'' 'Brigadoon'". Royal Horticultural Society.
"''Camellia'' × ''williamsii'' 'China Clay'". Royal Horticultural Society.
"''Camellia'' × ''williamsii'' 'Clarrie Fawcett'". RHS.
"''Camellia'' × ''williamsii'' 'Daintiness'". Royal Horticultural Society.
"''Camellia'' × ''williamsii'' 'Debbie'". Royal Horticultural Society.
"''Camellia'' × ''williamsii'' 'Donation'". Royal Horticultural Society.
"''Camellia'' × ''williamsii'' 'E.T.R. Carlyon'". Royal Horticultural Society.
"''Camellia'' × ''williamsii'' 'Elegant Beauty'". Royal Horticultural Society.
"''Camellia'' × ''williamsii'' 'Elsie Jury'". Royal Horticultural Society.
"''Camellia'' × ''williamsii'' 'George Blandford'". Royal Horticultural Society.
"''Camellia'' × ''williamsii'' 'Glenn's Orbit'". Royal Horticultural Society.
"''Camellia'' × ''williamsii'' 'J.C. Williams'". Royal Horticultural Society.
"''Camellia'' × ''williamsii'' 'Joan Trehane'". RHS.
"''Camellia'' × ''williamsii'' 'Julia Hamiter'". Royal Horticultural Society.
"''Camellia'' × ''williamsii'' 'Jury's Yellow'". Royal Horticultural Society.
"''Camellia'' × ''williamsii'' 'Les Jury'". Royal Horticultural Society.
"''Camellia'' × ''williamsii'' 'Muskoka'". Royal Horticultural Society.
"Camellia × williamsii 'Ruby Wedding' (D) | camellia 'Ruby Wedding' Shrubs/RHS Gardening". RHS.
"''Camellia'' × ''williamsii'' 'Saint Ewe'". Royal Horticultural Society.
"''Camellia'' × ''williamsii'' 'Senorita'". RHS.
"''Camellia'' × ''williamsii'' 'Water Lily'". Royal Horticultural Society.
(2008). "RHS A-Z encyclopedia of garden plants". Dorling Kindersley.

Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

camellia hybrid-plants

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