Hibiscus syriacus ‘Oiseau Bleu’ – Exotic Summer Colour
Hibiscus syriacus ‘Oiseau Bleu’, also known as the Blue Bird Hibiscus, is a hardy deciduous shrub admired for its exotic-looking flowers and long flowering season. From mid to late summer, this striking variety produces an abundance of large, trumpet-shaped blooms in rich violet-blue, each with a contrasting deep red centre. These spectacular flowers bring a touch of the tropics to the garden, just when many other plants are beginning to fade.
Its lush green foliage creates a dense, upright form, making it ideal for hedging, screens, or as a standalone feature. Growing to around 2–3 metres in height and 1.5–2 metres in spread, ‘Oiseau Bleu’ is perfectly suited to both large and smaller gardens where reliable, late-season colour is desired.
Tough, low-maintenance, and highly adaptable, Hibiscus syriacus thrives in most well-drained soils and enjoys a sunny, sheltered position. It is also very attractive to pollinators, making it a valuable addition to wildlife-friendly gardens.
Why Choose Hibiscus syriacus ‘Oiseau Bleu’?
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Exotic Flowers – Striking violet-blue blooms with deep red centres.
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Long Season of Interest – Flowers continuously from late summer into early autumn.
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Hardy & Reliable – Thrives in the UK climate despite its exotic appearance.
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Pollinator Friendly – A magnet for bees and butterflies.
Planting & Care Guide
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Position: Full sun in a sheltered spot.
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Soil: Well-drained, moderately fertile soil.
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Watering: Keep moist during establishment; drought-tolerant once mature.
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Feeding: Apply balanced fertiliser in spring to promote flowering.
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Pruning: Lightly prune in late winter or early spring to shape and remove dead wood.
Design & Planting Ideas
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Plant as a specimen shrub for a bold splash of colour.
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Use in mixed borders for late-summer interest.
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Combine with ornamental grasses and lavender for a Mediterranean feel.
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Perfect for wildlife gardens, drawing in bees and butterflies.
✨ Hibiscus syriacus ‘Oiseau Bleu’ is the perfect shrub to extend the season of colour in your garden, bringing exotic flair and pollinator-friendly beauty through the warmest months of the year.