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Wisteria frutescens var. macrostachya Blue Moon
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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
Express home delivery from 8,90 €.
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Wisteria 'Blue Moon' is a beautiful descendant of a wild American wisteria that is extremely cold-resistant. This variety charms with its long clusters of lavender-blue flowers that are dense and fragrant. They appear in abundance in late spring, along with its young leaves. The flowers bloom again, more sporadically, nestled in its beautiful dark green leaves. It flowers once or twice more during summer. Wisterias spontaneously and voluptuously wrap their long, twining stems around railings, fences, neighbouring plants, pergolas, and arbours, transforming them into flowering structures. 'Blue Moon' sometimes takes time to establish and bloom, but it is a beautiful garden plant that will make an even greater impact if trained as a tree.
The American wisteria is a woody, deciduous climbing plant belonging to the large Fabaceae family, just like clover, alfalfa, or lupins. Its subspecies macrostachya is native to humid forests and riverbanks in a geographic area ranging from southern Missouri and Illinois to eastern Kentucky. It has the peculiarity of producing its flower buds on the current year's wood rather than in summer, which protects the flowering from heavy frosts. Its long twining stems, slightly less vigorous than those of Chinese wisteria, lignify with age. It is a perfectly cold-resistant plant. It is undemanding in terms of soil (although it does not tolerate active limestone), and can grow in periodically waterlogged or, conversely, poor and fairly dry soils in summer if they are deep.
The compact and highly floriferous 'Blue Moon' was selected in Minnesota, USA for its resistance to long and harsh winters. Its stems easily reach 4m (13ft) in length and twine around supports spontaneously, in a counterclockwise direction. The growth of new shoots is rapid, with about 80cm (32in) in a single season if planted in moist soil. The main flowering of this variety takes place in May-June, on plants that are at least 3-4 years old. It develops on leafy branches located near the main lignified stems. It bears long clusters of small blue-mauve flowers speckled with yellow-green, measuring 20 to 35cm (8 to 14in). The tightly packed blooms emit a pleasant fragrance in calm weather. They open from the base towards the tip of the cluster. The plant reblooms during summer. Its flowering is nectar-rich and attractive to bees. The young bronze leaves appear at the end of flowering and then turn dark green, before turning yellow in autumn and falling off. They are 10 to 30cm (4 to 12in) long and divided into 9 to 15 rounded leaflets, giving the foliage a light appearance. The brown fruit is a flattened pod, 5 to 10cm (2 to 4in) long, which persists until winter. It contains numerous small brown kidney-shaped seeds. The 'Blue Moon' wisteria can live well over 50 years.
'Blue Moon' is slightly less vigorous than its Asian counterparts, but is better suited for small gardens. It can enhance any facade or structure, no matter how modest. It is also particularly useful for covering a wall or an unsightly fence. It wraps itself around a fence or trellis without restraint if left to its own devices. It tends to smother surrounding plants. Plant it on its own in full sun (or partial shade in hot climates). Alternatively, plant it with equally powerful honeysuckles, such as the evergreen Lonicera x delavayi, with a fragrant yellow summer flowering, or the thornless Banksia rose 'Alba Plena', which is covered in small white pompoms in May. It also gets along very well with Clematis montana. With careful pruning, this variety can become a magnificent small tree, to be placed prominently in the garden.
However, be patient! Its first flowering only appears after 2 to 3 years, depending on growing conditions.
Wisteria frutescens var. macrostachya Blue Moon in pictures
Plant habit
Flowering
Foliage
Botanical data
American wisteria is an easy-to-grow plant if the soil is sufficiently deep and moist. It can grow in any garden soil, with a preference for poor and slightly acidic soils. It may wither in overly calcareous soil (pH>7.5). Once established, it can withstand summer drought fairly well and does not require watering in most of our regions, except perhaps in warmer climates. Conversely, it can tolerate soils that are occasionally waterlogged. Plant it along a wall or train it on a pergola. Pruning is recommended to achieve better flowering, and even multiple flowerings in the season.
Wisterias can be trained as trees by growing them on a "parasol" stake measuring 1.5 to 2m (5 to 7ft), or used as ground cover in a large wild garden.
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.