Giant Onion

1 entry found.
Giant Onion
Common Name: Giant Onion
Botanical Name: Allium giganteum (A-lee-um ji-GAN-tee-um)
Decorative Life: 14 days.
Post Harvest Care:
  • Recut stems under water and place into a fresh flower food solution.
  • Flower breakage is common because of their large size.
Harvest Instructions: Harvest when flowers are about 30% open.
Family Roots:
  • Member of the Liliaceae (lily family).
  • Native of Central Asia.
  • Related species include agapanthus, clivia, lycoris and daffodil.
  • Flower clusters are globe-shaped, 4-5 inches in diameter.
  • Stems leafless, 3-4 feet tall.
  • Plant is a bulbous perennial, classed as a monocotyledon, leaves mostly parallel veined.
  • Cut stems produce onion-like odor.
Availability: Summer through early fall.
Flower Color: Lilac-purple.
Storage Specifics: 32-36F.
  • Largest of the ornamental onions. Flower clusters are 4-5 inch diameter balls of densely packed flowers on top of 3-4 feet stout, leafless stems. The specific epithet name of giganteum means large, gigantic.
  • Common garden flower. There have been no developments of commercial cultivars.
  • Allium, Latin name for garlic.
  • Harvest when about 1/3 of the flowers have opened.