Wisteria floribunda 'Rosea' is a spectacular variety of Japanese wisteria (Wisteria floribunda), renowned for its pale pink flowers and the romantic look it brings to gardens. This vigorous climber is a popular choice for decorating pergolas, trellises or walls, providing a real floral show in spring.
Flower appearance
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Shape : The flowers are grouped in long, pendulous clusters, typical of Japanese wisteria. Each cluster is made up of small, pea-shaped flowers that open progressively from the base to the tip.
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Color : Delicate pale pink, sometimes with more intense shades at the base, gives the flowers a soft appearance. As they age, the flowers may become lighter in color.
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Size : The clusters are impressively long, between 30 and 50 cm, making them longer than other varieties of Wisteria floribunda, creating a dramatic visual effect.
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Fragrance : The flowers exude a sweet, pleasant fragrance, attracting pollinators such as bees and butterflies.
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Flowering period : Blooms in spring, between April and May, with the possibility of weaker secondary blooms during the summer.
Growth characteristics
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Height : It can reach 6-9 meters, making it ideal for large structures due to its vigor.
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Foliage : The leaves are compound, pinnate, with 9-15 bright green leaflets, which turn a golden-yellow hue in autumn.
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Stems : The woody stems twist clockwise, typical of Wisteria floribunda, and require solid support.
Growing conditions
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Exposure : Prefers full sun for abundant flowering, but also tolerates light semi-shade.
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Soil : Grows well in fertile, well-drained soils with neutral or slightly acidic pH; does not tolerate very wet or heavy soils.
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Watering : Needs regular watering in the first few years, becoming moderately drought tolerant once established.
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Pruning : Requires regular pruning – in summer (July-August), after flowering, new shoots are shortened to 5-6 buds, and in winter (January-February) they are shortened to 2-3 buds – to control growth and stimulate flowering.
Care and resistance
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Resistance : It is completely cold-hardy, but late spring frosts can damage the flower buds. It is resistant to diseases and pests.
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Fertilization : A phosphorus-rich fertilizer applied in spring promotes flowering; excess nitrogen should be avoided.
Origin
This variety is a Japanese selection of the Wisteria floribunda species, grown for its distinctive pink flowers, as an alternative to the classic shades of purple or blue.
In the cold season, plants enter a dormant period and are shortened.