All bulbs

Ornamental onion

Allium

Spring

At a glance

  • Planting timeSeptember – November
  • Flowering timeMay – June
  • Planting depth15–20 cm
  • Spacing15–20 cm
  • PositionFull sun
  • Height40–120 cm

Step by step

  1. PlantingPlant in a sunny spot in well-draining soil. Depth about 3× the bulb height.
  2. GrowingStrong plants, almost maintenance-free. A magnet for bees and bumblebees.
  3. BloomingStriking purple globes on tall stems — they flower between the spring and summer bloomers.
  4. After floweringLeave the spent globes standing as an ornament — they stay decorative well into summer.

Pairs well with

  • Lavender
  • Ornamental grasses
  • Roses