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Blue-of-the-Heavens Allium

Extend the Bulb Season

Early summer bloomers have charming flax blue spears and 2-3 in. wide, stars-haped florets clustered atop sturdy stems. Great companion plant for roses. Plant in full sun to partial shade. Blooms in early summer. Grows 18-22 in. tall. Zones 3-9. 5 cm+ bulbs. Not available in ID, WA.

  • Zone 3 - 8 (-40° F.).
  • Height 18 - 24 inches.
  • Shade Required Full sun to partial shade.

Plants are not available in AE AK GU HI ID PR WA



For each offer ordered, get 25 bulbs

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Product Details

  • Botanical Name: Allium caeruleum
  • Height: 18 - 24 inches.
  • Spacing: 6-9 inches.
  • Depth: 3 inches.
  • Spread: 4 - 6 inches.
  • Sun/Shade: Full sun to partial shade.
  • Color: Azure blue
  • Foliage: Green, strap-shaped foliage.
  • Blooms: Early Summer for 2 - 3 weeks.
  • Form: Upright
  • Flower Form: Star-shaped florets in a tight spear atop sturdy stems.
  • Soil Requirements: Loosen soil to about 10 inches and water well after planting.
  • Growth Rate: Moderate growth rate.
  • Pruning: Allow the foliage to mature and die down naturally, to store energy for next years blooms.
  • Size: 1 1/2 inch blossoms.
  • Comments: Charming flax blue spears, 2 -3 inches wide are star-shaped florets tightly clustered together atop sturdy stems. Early Summer blooming time extends the bulb flowering season. Leave mulch on during flowering season.

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