Plant Calculator

Enter the approximate length and width of the area you will be planting and click 'Calculate' to determine how many Allium 'Globemaster' you will need.

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*Correct and successful spacing is complex and depends on project conditions.

Allium 'Globemaster'

Ornamental Onion

Globemaster is a stunning allium that produces a colossal round cluster of purple flowers that often measure up to 8" in diameter.

Alliums are deer resistant and easy to grow in well-drained soil in full sun to partial shade. Water well after planting. Great ornamental value in the landscape and amazing cut or dried flowers.

  • Huge lilac purple balls can reach 10" wide
  • Blooms sit atop 3'+ stems
  • Nice wide gray green blades of foliage

  • Category: Bulbs
  • Hardiness Zone: 4-9
  • Height: 36-48 in
  • Spread: 12-15 in
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We have done our best to describe this plant as accurately as possible, however, different climates and growing conditions in different parts of the country will affect height, bloom time, and color.