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Allium Universe

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Allium Universe

In the beginning, there was Allium giganteum. Then came the reigning king, Globemaster. And now we have: Universe! The flower heads, which are composed of silvery lilac florets, can be as large as a beach volleyball (8½ inches). Colorblends exclusive.
Deer Resistant

Note: Alliums are resistant to deer, but rodents such as voles and gophers may eat the bulbs.

Item # 6087
Height 28—32 inches
Sunlight Full (6+ hours sun per day)
Soil Well drained
Flower Color Lilac
Bulb Size 20cm+
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Bulb size is determined by the circumference around the largest part of the bulb. Colorblends only delivers top size bulbs. Large bulbs produce more or larger flowers than small bulbs.
USDA Zones 4a—7b
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Hardy in USDA zones 4a to 7b in the South or 10b on the West Coast.
Bloom Time Very Late
Bloom times are relative within the spring bulb season, which varies from place to place and year to year. They are intended to help you plan a sequence of bloom from Very Early season to Very Late season. About two weeks separate Early from Mid and Mid from Late. The start and duration of bloom is heavily dependent on the weather. Warm temperatures speed up growth and flowering; cold temperatures slow them down.
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  • early
  • mid
  • late

Colorblends.com Is Closed for Winter

Online ordering of bulbs for fall 2024 planting will begin in the spring.

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Planting Instructions

Plant in full sun or light shade and well-drained soil. Sandy soil is ideal. Allium leaves will yellow by the time the flowers open. You can disguise the foliage by planting large alliums among bushy perennials or shrubs, and small alliums among low-growing perennials. The flower heads of large-headed alliums remain attractive even after the color fades. They can be left in the garden or cut and dried for use in indoor arrangements. Species alliums (e.g., siculum, moly) may self-sow.

Depth of Planting Hole 7 inches
Spacing 10 inches apart

Education Center

How Many Bulbs Do I Need?

Here you will find formulas for calculating the square footage of a planting area.
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How to Plant in a Street Lawn

A planting idea for you or your landscape professional is to add bulbs into your street lawn.
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