Centranthus ruber ‘Albus’, commonly known as White Valerian, is a long-flowering perennial that produces clusters of pure white, star-shaped flowers from late spring into autumn. The blooms rise above soft grey-green foliage, bringing a light, airy feel to sunny borders, gravel gardens, and dry walls.
It thrives in full sun and well-drained soil, tolerating dry, poor conditions once established. For a relaxed, natural look, pair it with Stipa tenuissima ‘Pony Tails’ for movement and texture, or Nepeta ‘Six Hills Giant’ for soft, complementary colour.
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Sunlight: Full sun
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Soil: Well-drained, moderately fertile or poor soil
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Position: Ideal for borders, gravel gardens, and wall edges
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Hardiness: Fully hardy perennial
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Height & Spread: Around 60–80cm tall and 45cm spread
A tough, drought-tolerant perennial that flowers for months and brings light, airy texture to sunny borders.
A bold, elegant perennial that adds structure, colour, and movement to the summer garden while supporting pollinators.
