''Clematis'' 'Jackmanii is a ''
Clematis''
cultivar
A cultivar is a type of cultivated plant that people have selected for desired traits and when propagated retain those traits. Methods used to propagate cultivars include: division, root and stem cuttings, offsets, grafting, tissue culture, ...
which, when it was introduced in 1862, was the first of the modern large-flowered hybrid clematises of gardens. It is a
climber with large violet-purple blooms, still among the most familiar climbers seen in
garden
A garden is a planned space, usually outdoors, set aside for the cultivation, display, and enjoyment of plants and other forms of nature. The single feature identifying even the wildest wild garden is ''control''. The garden can incorporate both ...
s. It was produced from crosses made by the prominent
nurseryman George Jackman
George Jackman II (1837–1887) was an English horticulture, horticulturist and nurseryman, known for his work on early clematis hybrids. One of his first successful Clematis hybrids was Clematis jackmanii, ''C.'' 'Jackmanii'.
Family busi ...
(1837–1887),
of Jackman & Sons,
Woking
Woking ( ) is a town and borough status in the United Kingdom, borough in northwest Surrey, England, around from central London. It appears in Domesday Book as ''Wochinges'' and its name probably derives from that of a Anglo-Saxon settlement o ...
, Surrey.
''C.'' 'Jackmanii' arose from crosses made in 1858 between ''
Clematis lanuginosa
''Clematis lanuginosa'' is a flowering vine of the genus '' Clematis''. Like many members of that genus, its hybrids are prized by gardeners for their showy flowers. It is endemic to Zhejiang province in eastern China and was first discovered nea ...
'', the red form of ''
C. viticella'', and an earlier garden hybrid, ''Clematis'' × ''hendersonii'', which the new hybrid eclipsed.
The spectacular success of 'Jackmanii' encouraged Jackman & Sons to introduce a series of clematis hybrids, although none of these ousted 'Jackmanii' from favour. Jackman also produced a monograph, ''The Clematis as a Garden Flower'' (with T. Moore, 1872),
which he dedicated to H.S.H.
Princess Mary, Duchess of Teck
Princess Mary Adelaide Wilhelmina Elizabeth of Cambridge (27 November 1833 – 27 October 1897), later Duchess of Teck, was a member of the British royal family. She was one of the first royals to patronise a wide range of charities.
Mary Ade ...
, as the clematis was one of her favourite flowers.
Few of Jackman's early hybrids survive today, in part because they were
grafted
Grafting or graftage is a horticultural technique whereby tissues of plants are joined so as to continue their growth together. The upper part of the combined plant is called the scion () while the lower part is called the rootstock. The succ ...
, often on 'Jackmanii',
but the dependable,