Details
Allium roseum is a perennial bulb, to 60cm tall, producing narrow, grass-like leaves and small, loose umbels of pale pink, cup-shaped flowers in summer, often including some bulbils
Hardiness
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
H6 - Hardy in all of UK and northern Europe (-20 to -15)
Aspect
South-facing or West-facing
Exposure
Sheltered
Moisture
Well-drained, Moist but well-drained soil
Soil
Chalk, Clay, Sand, Loam
pH
Acid, Alkaline or Neutral
Size
Ultimate height
0.5 ? 1 metres
Ultimate spread
0 - 0.1 metres
Time to Ultimate size
About 2 ? 5 Years
How to grow
Cultivation
Easy to grow in fertile, well-drained soil. Add grit when grown in clay soils to improve drainage.
Propagation
Propagate by seed, or bulbils, or division of clumps in spring or autumn
Suggested planting locations and garden types
Flower borders and beds Ground Cover Cottage, Informal Garden & Container Plants
How to care
Pruning
No pruning required
Pests
Generally pest free
Diseases
Onion white rot and a downy mildew may occur
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Pot Size & Form