Close-up of purple flowers with green leaves
Platycodon plant with a 'Colourful Gardens' label held by a hand on a concrete surface.
Platycodon grandiflora 'Astra Blue' 9cm Pot

Platycodon grandiflora 'Astra Blue' 9cm Pot

Regular price £7.99 Sale price£5.50 Save 31%
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  • This item is dispatched directly from our supplier – a separate delivery charge will be applied at checkout.
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Commonly known as the balloon flower, Platycodon grandiflora ‘Astra Blue’ is a compact, clump-forming herbaceous perennial celebrated for its enchanting balloon-like buds that unfurl into starry violet-blue blooms.

Hardy across most of the UK, it thrives in borders, containers, and cottage gardens, bringing late-summer charm with minimal fuss. Its tidy habit and compact stature (typically reaching 30-50cm in height) make it ideal for smaller spaces or front-of-border planting. The foliage is blue-green and ovate, offering a neat backdrop to the vivid flowers.

Once established, ‘Astra Blue’ is reliably perennial, returning each year with a burst of colour, typically flowering from June into early autumn, often continuing well into September depending on conditionsThough delicate in appearance, it’s surprisingly resilient, tolerant of heat and cold, and largely pest-free. A true gem for gardeners seeking low-maintenance elegance with a playful twist.

  • Prefers full sun or partial shade; avoid heavy, waterlogged soils
  • Grows best in fertile, moist but well-drained loam or compost
  • Hardy to -15°C (RHS hardiness H5), suitable for most UK regions
  • Avoid disturbing roots once planted; cut back in autumn

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