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Wisteria venusta Okayama
I have no comment on the plant itself, but the packaging was poorly done: the stem was half broken despite the protective bags, which are useless if the stem is not properly secured to the stake. I will receive another one, but it would be wise to pay attention to the packaging.
nicole, 03/04/2024
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Dispatch by letter from €3.90.
Delivery charge from €5.90 Oversize package delivery charge from €6.90.
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This plant carries a 6 months recovery warranty
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We guarantee the quality of our plants for a full growing cycle, and will replace at our expense any plant that fails to recover under normal climatic and planting conditions.
From €5.90 for pickup delivery and €6.90 for home delivery
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Wisteria venusta 'Okayama' is a variety of Japanese Wisteria with slow growth, infinitely graceful, which will seduce with the abundance and wonderful fragrance of its spring flowers. Its flower clusters are rather short but well supplied with dark purple buds that open into large pea-like flowers of a lovely purple-mauve colour. Hardy and as accommodating as its Chinese or American cousins, it is the least vigorous of the Wisterias, ideal for small spaces. It also has another major advantage: the gardener will not have to wait for many years before admiring its flowers.
The Okayama Wisteria is a horticultural creation selected in Hokayama, Japan. Its wild ancestor Wisteria venusta (=brachybotrys) is a Japanese botanical species of modest stature also known as the Silky Wisteria. It is a deciduous climbing plant producing long twining stems that wrap around their support in a counterclockwise direction. Its root system is deep and trailing, composed of fibrous roots that live in association with bacteria and mycorrhizae. This indicates a good adaptation to poor and fairly dry soils.
The Okayama variety, with relatively slow growth, reaches an average height of 4m (13ft). It can be pruned as a 2m (7ft) bush in all directions. The plant blooms in April-May, while already carrying young bronze-coloured leaves. The inflorescences are produced profusely. They are pendulous conical clusters, compact, measuring about 20cm (8in) long, still tightly closed when the buds take on colour. The mauve flowers are large compared to those of other wisterias. Their complex fragrance reveals notes of jasmine, orange blossom, caramel, and honeysuckle, somewhat reminiscent of Spanish broom with a hint of camphor and cloves.  The fruits, shaped like velvety beans, measure from 10 to 15cm (4 to 6in) long. The leaves, 20 to 35cm (8 to 14in) long, are divided into 9 to 13 leaflets of a medium green colour, ovate, each measuring 4 to 8cm (2 to 3in) long. They turn a very warm yellow quite late in autumn before falling. Branches and leaves are slightly pubescent.
Wisteria venusta 'Okayama' is perfect for covering a wall, a railing, a pergola, an arbour, or a porch in romantic gardens, including small ones. While wisteria branches can usually entwine with the sturdiest trellis, this variety is much more "respectful" of the supports that welcome it. Plant it also in a large container on the balcony or terrace. It will pair well with a Mayleen clematis montana, a Purpurea Plena Elegans clematis, some perennial peas...
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Wisteria venusta Okayama in pictures
Plant habit
Flowering
Foliage
Botanical data
Wisteria venusta Okayama should be planted in autumn or early spring in deep and well-drained soil in a sunny or semi-shaded position. It doesn't like too much limestone, which causes its leaves to turn yellow, so prefers slightly acidic to neutral soil. Add compost and water well after planting. Once well established, this climbing plant can do without watering in summer in most areas. In February, when the flower buds are formed, prune back (to 2 buds) the branches that are bare, to improve airflow. Do not keep more than 4 flower buds (rounded) on the same stem. To train a wisteria to climb a tree does not require any pruning.
Planting period
Intended location
Care
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Hardiness is the lowest winter temperature a plant can endure without suffering serious damage or even dying. However, hardiness is affected by location (a sheltered area, such as a patio), protection (winter cover) and soil type (hardiness is improved by well-drained soil).
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The flowering period indicated on our website applies to countries and regions located in USDA zone 8 (France, the United Kingdom, Ireland, the Netherlands, etc.)
It will vary according to where you live:
In temperate climates, pruning of spring-flowering shrubs (forsythia, spireas, etc.) should be done just after flowering.
Pruning of summer-flowering shrubs (Indian Lilac, Perovskia, etc.) can be done in winter or spring.
In cold regions as well as with frost-sensitive plants, avoid pruning too early when severe frosts may still occur.
The planting period indicated on our website applies to countries and regions located in USDA zone 8 (France, United Kingdom, Ireland, Netherlands).
It will vary according to where you live:
The harvesting period indicated on our website applies to countries and regions in USDA zone 8 (France, England, Ireland, the Netherlands).
In colder areas (Scandinavia, Poland, Austria...) fruit and vegetable harvests are likely to be delayed by 3-4 weeks.
In warmer areas (Italy, Spain, Greece, etc.), harvesting will probably take place earlier, depending on weather conditions.
The sowing periods indicated on our website apply to countries and regions within USDA Zone 8 (France, UK, Ireland, Netherlands).
In colder areas (Scandinavia, Poland, Austria...), delay any outdoor sowing by 3-4 weeks, or sow under glass.
In warmer climes (Italy, Spain, Greece, etc.), bring outdoor sowing forward by a few weeks.