Interaktywna Encyklopedia Pnącza ogrodowe 2005 - vines in garden > articles about Clematis > Clematis Integrifolia Group
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vines in garden > articles about Clematis > Clematis Integrifolia Group
Solitary clematis and the whole Clematis Integrifolia Group
Szczepan Marczyński
I would like to recommend to all
solitary clematis (Clematis integrifolia), along with many cultivars and
hybrids selected from it. Though still little known, they are very valuable and
attractive on the basis of their long and profuse flowering, healthiness,
hardiness and easy culture. They adapt well to all the familiar garden uses,
but can also be successfully grown on balconies, patios and in areas of public
greenery. They are non-clinging in habit with stems, depending on a variety,
between 40 to well over 200 cm long, and will meander through a border and
amongst existing plants in a delightful manner, adding interest to shrubs that
have finished flowering, such as azaleas. These shrubs flower beautifully but
shortly in early spring, and afterwards form a monotonous mass of green until
autumn when their leaves variegate. If you grow them together with Clematis
integrifolia, and prune clematis to the lowest buds in spring, it will not
become noticeable until azaleas flowers are over. In the summer, however, the
plant will be veiled with billowing clouds of flowers followed by an attractive
crop of ornamental seedheads. Clematis from this group are also charming
companions for border roses and other shrubs and prove invaluable in creating
groups and borders. When grown without support, they will spread out over the
ground creating attractive covers.
Solitary clematis (Clematis integrifolia) is a slender-stemmed,
scrambling perennial with stems reaching up to 1 m. From June to September the
plant covers with bell-shaped nodding violet flowers with recurving tepals,
followed by fluffy seedheads later in the season. The species grows in the wild
in southeast Europe, e.g. in Hungary. Generally healthy and hardy, it's quite
undemanding and easy to grow. As in the case of other perennials, its stems die
down to the ground each year and they should be cut back at the ground level in
early spring.
'Alba' is a white-flowered selected
form of the species.
A number of very attractive hybrids
have been selected from solitary clematis, all retaining the immunity and
healthiness of the species.
In 1835 J.A. Henderson crossbred Clematis integrifolia with Clematis viticella producing Clematis x
diversifolia 'Hendersonii'
- a beautiful perennial clematis, semi-herbaceous in habit, the oldest hybrid in
cultivation. It has deep bluish-purple bell-shaped slightly nodding flowers
with yellow stamens. Free flowering from June to September. It's an excellent companion plant for
deciduous and coniferous shrubs.
Many years later the cultivar 'Blue
Boy' with slightly darker flowers was obtained through similar crossbreeding.
In 1870 Duran Freres raised Clematis x
durandii as a cross between Clematis integrifolia and Clematis lanuginosa. This
beautiful hybrid has fairly large (7-14 cm in diameter) deep blue, bell shaped
flowers that become flat when fully open. It looks lovely both tied to a
support and intermingled with other plants and makes an excellent cut flower.
In the 1870's a new seedling
originating from a chance cross between Clematis integrifolia and Clematis flammula (Clematis recta) was discovered and
given the name Clematis x aromatica. This graceful climber has small, strongly
fragrant flowers. Dark bluish-violet sepals contrast nicely with long creamy
stamens. It prefers well-lit sunny sites and permeable well-drained soils. On
account of its sweet scent it's ideal for planting near windows, park benches
and other popular places of social gatherings.
A number of other attractive forms
included in the Integrifolia Group were propagated from wild seedlings, the
products of chance crosses of Clematis integrifolia. They are all excellent for
perennial borders and as companion plants for shrubs.
'Bluish Violet' –
with dark violet-blue flowers;
'Hakuree' – a
Japanese cultivar. Slightly scented, bell-shaped flowers of white tinged with
lavender are borne from June to September;
'Hanajima' - A slender-stemmed variety originating from Japan. Bell-shaped
nodding pink flowers with long twisted tepals are borne from June to September,
followed by silky seed heads.
'Juuli'
- An Estonian variety. Purple blue flowers early in the season, in full blossom
become blue with a lilac-blue central bar. Golden anthers on white filaments.
Very free flowering from July to September. Thrives in all aspects. Hard
pruning required.
'Olgae' – blue-violet,
slightly-scented flowers;
'Rosea' – vivid pink flowers;
In the recent years as an effect of
crossbreeding Solitary Clematis with large-flowered varieties many valuable and
popular hybrids have been obtained. The following is a particularly attractive
on account of its long and profuse flowering:
'Arabella' (1994) – a lovely variety
originating from England. From June to October mid-blue flowers with
conspicuous cream anthers are abundantly scattered over the whole plant.
Very free flowering over a long period. It has raised, non-clinging stems
(as in climbing rose), and when no support is provided, it will scramble
over the ground. It looks lovely when intermingled with another plants. A
hardy cultivar, excellent as ground cover, or for growing on terraces.
Other
popular throughout the world varieties include:
'Alionushka' – raised in
Ukraine, it has bell-shaped, nodding, rose-pink flowers from June to
September. It can grow up to 1-1.5 m in height.
'Pamiat Serdtsa', like 'Alionushka', was
raised in Ukraine. The size and looks is also similar, but the flowers are
violet-lilac.
'Inspiration' was bred in Holland as a
cross between Clematis integrifolia and 'Warszawska Nike'. It has flowers
of an unusual hue of dark pink, with twisted tepals and contrasting
yellow stamens that bloom from June to September. It's best hard pruned.
Suitable for every aspect.
'Rooguchi' is a charming variety produced
in Japan by crossbreeding Clematis integrifolia and Clematis reticulata.
In 2001 it created a sensation in Great Britain. Graceful, bell-shaped,
deep violet-blue flowers edged in pale mauve are borne incessantly from
June to October. Stems don't twine round supports, but they can lean
against them. The plant can be either stimulated to grow higher with the
help of some string or wire, or left to scramble at ground level. Ideal
for meandering through perennials and shrubs, it is also suitable for
large containers. Makes a good ground container plant. If there is one drawback with this
variety, it is its susceptibility to powdery mildew.
All the described varieties are easy
to grow. They will certainly add interest to any garden by filling empty spaces
with multicolored carpets throughout the summer.
Clematis Integrifolia Group 'Rosea', 'Arabella' (1994) and others
Clematis Integrifolia Group 'Rosea' - seedheads
Clematis Integrifolia Group 'Rosea'
Clematis Integrifolia Group 'Bluish Violet'
Clematis Integrifolia Group 'Alba'
Clematis Integrifolia Group 'Olgae'
Clematis Integrifolia Group 'Inspiration',
Clematis Integrifolia Group 'Arabella' (1994),
Clematis Integrifolia Group 'Hakuree'
Clematis Integrifolia Group 'Hanajima'
Clematis Integrifolia Group 'Arabella' (1994)
Clematis Integrifolia Group INSPIRATION 'Zoin'
Clematis Integrifolia Group 'Alionushka'
Clematis Integrifolia Group 'Alba' - seedheads
Clematis Integrifolia Group 'Alionushka'
Clematis Integrifolia Group 'Alionushka'
Clematis Integrifolia Group 'Bluish Violet'
Clematis x durandii
Clematis Integrifolia Group 'Rooguchi'
Clematis Integrifolia Group 'Arabella' (1994)
Clematis Integrifolia Group 'Alionushka'
Clematis Integrifolia Group 'Alionushka'
Clematis Integrifolia Group 'Alionushka'
Clematis Integrifolia Group 'Alionushka'
see also:
• care and culture of Clematis • Clematis ‘Praecox’ from the Heracleifolia Group • Clematis 'Emilia Plater' (Viticella Group) • Clematis alpina • Clematis Viticella Group • encyclopaedia • advanced search • applications of climbers • encyclopaedia
vines in garden > articles about Clematis > Clematis Integrifolia Group
Last modification: 2005-01-23.
Design and realization of the pages: Grzegorz Marczyński. Website is managed by WMS.
(c) 2005 Szczepan Marczyński - All Rights Reserved - Copying of pictures and text prohibited.
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