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Out of Season Blue-of-the-Heavens Allium

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.
  • Light Required Full sun to partial shade.

This item ships in Fall



For each offer ordered, get 25 bulbs

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