Ornamental onion

Allium atropurpureum

Ornamental onion - Allium atropurpureum

Common Name: Ornamental onion
Genus: Allium
Species: atropurpureum

Category: Bulbs, Corms, Tubers & Rhizomatous Plants
Growth Rate: Average
Features: Makes good cut flowers

Hardiness: HardyHeight: 0.75 m (75 cm)
Sun/Shade: Full sunSpread: 0.15 m (15 cm)

Foliage Type: DeciduousFlower Colour: Blue, Purple, Pink
Foliage Colour: GreenFlowering Period: May & June

Soil Type: Normal/Loam or Sandy/Light
Soil Moisture: Dry, well drained or Moist, but well drained

A new addition to our range of Alliums that immediately shot to the top of our wish-lists. In early to mid summer each upright stem is crowned with a rounded cluster of small flowers which seem to hover like large brilliantly coloured jewels above the foliage. Each flower is made up of deep pink to purple petals surrounding a blueberry-purple centre which creates a vibrant and exciting contrast of colours. Their drumstick shape is great for adding diversity to the border while their sturdy stems makes them ideal for cutting. If left in the border after the flowers have faded though the subsequent seed heads will add months of structural interest.

  • Garden care: Plant bulbs 15cm deep and 15cm apart to enjoy the full effect of the flowers. Avoid excessive mositure from late summer when they become dormant. Over-large clumps can be lifted and divided in autumn or spring.


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