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How to Grow Allium Globemaster Plants in your Garden

Gardener's HQ Guide to Growing Ornamental Onion

Allium globemaster

Globemaster Alliums photograph by Kim Carpenter.


Allium Globemaster Growing and Care Guide

  • Scientific Name: Allium Globemaster
  • Common Name: Ornamental Onion
  • Growing Zone: USA: 5 to 10
  • Life Cycle / Plant Type: Perennial

Plant Details

  • Plant Height (Inches): 36 to 60
  • Plant Spread (Inches): 2 to 12
  • Time of Bloom: Early summer to Mid summer
  • Flower Details: Purple
  • Leaf Foliage: Green
  • Fruit:
  • Growth Form: Upright / erect

Ideal Growing Conditions

  • Best Light Conditions: Full sunlight
  • Rate of Growth: Quick
  • Suitable Soil Types: Loamy, Neutral, Sandy, Well drained
  • Soil Moisture: Moist

Caring Conditions

  • Care:
  • Level of Maintenance: Low
  • Propagation: Seed, sowing in containers in a cold frame when just ripe or in the spring. Alternatively, remove offsets in autumn
  • How to Prune: Not usually required
  • Pests: Usually pest free
  • Diseases: Mainly trouble free, Onion white rot and downy mildew

Further Information

  • Can Attract: Butterflies
  • Tolerant of: Deer, Drought, Black Walnut
  • Best Garden Use: Container, Foundation, En masse , Rock garden, Specimen
  • Family:
  • Closely Related Species:
  • Miscellaneous: Attractive foliage, Fragrant foliage, Attracts butterflies, Suitable for cut flowers, Suitable for dried flowers
  • Genus Detail: Allium
  • Further Reading and References: Here and Here



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