Buddleja davidii Reve de Papillon Blue - Butterfly bush
Buddleja davidii Reve de Papillon Blue - Butterfly bush
Buddleja davidii 'Srp18blu20' Reve de Papillon® Blue
Butterfly Bush, Summer Lilac
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This plant carries a 24 months recovery warranty
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Description
Buddleja davidii Rêve de Papillon® Blue ('Srp18blu20') is a summer-flowering shrub that is generous and long-lasting. This butterfly bush captivates with its large panicles of fragrant dark blue flowers, which attract butterflies and pollinators from July to September. Its naturally bushy habit, good branching and moderate development (approximately 2 m tall in open ground) suit small gardens, shrub borders and flowering hedges, or pots on the terrace.
Buddleja Rêve de Papillon® Blue is a shrub from the Scrophulariaceae family. This cultivar 'Srp18blu20' is a sterile horticultural creation developed by Star Roses & Plants, an American company specialising in the selection of ornamental plants. It was introduced to the European market by Hortival Diffusion. The Rêve de Papillon® series brings together varieties selected for their floribundus nature and their compact, well-branched habit from the base. These plants, which do not produce seeds, are not invasive, they stay in their place!
Buddleja davidii Rêve de Papillon® Blue 'Srp18blu20' is a shrub with a bushy, well-branched habit that develops flexible stems. In open ground, it reaches approximately 2 m in height with a 1.5 m spread after 10 years of cultivation. In a pot, its size is generally reduced, around 1.20 m to 1.50 m in height, depending on the growing conditions. With rapid growth, it establishes itself quickly in landscape designs. The flowers are tightly packed on long terminal panicles of 25-30 cm, they are dark blue to lavender blue and emit a sweet, sugary fragrance. The flowering period extends from July to September. The foliage is formed of opposite, lanceolate, 10 to 15 cm long leaves, with an entire margin, blue-green on the upper side and paler underneath. The leaves are deciduous; they fall in autumn and reappear in spring. The stems are quadrangular, light brown, and become more woody with age. The bark is smooth on young shoots and becomes slightly fissured on older branches.
This cultivar is hardy down to -20°C.
Buddleja Rêve de Papillon Blue, superb in a large container on the terrace, is an ornamental bush that easily fits in any garden, even when space is limited. It integrates into a shrub border and looks good in a flowering hedge. Its association with large weigelas like 'Rosea' or 'Alexandra', Vitex and shrubby English roses such as 'The Ancient Mariner' is interesting for animating the garden until late summer.
Buddleja davidii Reve de Papillon Blue - Butterfly bush in pictures
Plant habit
Flowering
Foliage
Planting and care
Buddleja Rêve de Papillon® Blue is easy to grow, as it is an undemanding plant regarding soil, very hardy and not water-greedy. It enjoys sunny spots but also flowers in partial shade.
Plant it in spring or early autumn in ordinary soil, even chalky and poor, but well-worked, well-loosened and properly drained. Once well-established in open ground, the plant will tolerate periods of moderate drought.
However, if grown in a pot or container, you should water it regularly and provide fertiliser for flowering bushes. Buddleja has no significant pests. Nevertheless, beware of caterpillars, vine weevils, bugs and red spider mites that can invade it under certain conditions.
Planting period
Intended location
Care
Planting & care advice
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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).
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 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.
The planting period indicated on our website applies to regions in USDA Zone 9a (East Coast and Midlands: Dublin, Wexford, Waterford, Kilkenny, Portlaoise). It will vary depending on where you live:
- On the west coast and in the north-west (Galway, Limerick, Sligo, Donegal, Westport), delay planting by 1 to 2 weeks in spring and bring it forward by 1 to 2 weeks in autumn compared to the dates given, preferably choosing periods without strong winds.
- In the inland hills and plateaus (Wicklow Mountains, Macgillycuddy’s Reeks, Connemara, Killarney), it is best to plant in spring (April–May) or autumn (September–October), avoiding periods of waterlogged soil in winter and strong winds, which pose the main risk to newly planted trees in these areas.
The flowering period indicated on our website applies to regions in USDA Zone 9a, such as the East Coast and Midlands, including Dublin, Wexford, Waterford, Kilkenny and Portlaoise.
This will vary depending on where you live:
- On the west coast and in the northwest (Galway, Limerick, Sligo, Donegal and Westport), it will be delayed by one to two weeks compared to the given dates, due to stronger Atlantic winds and less spring sunshine.
- In the inland hills and plateaus (the Wicklow Mountains, the Macgillycuddy's Reeks, Connemara and Killarney), flowering will be delayed by two to three weeks. Flowering mainly occurs between May and July, with the limiting factors being less frost and more of the excessive humidity, strong winds and lack of sunshine that are characteristic of these areas.
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