Allium, Ornamental Onion 'Gladiator'

Allium

Family
Amaryllidaceae (am-uh-ril-id-AY-see-ee)
Genus
Allium (AL-ee-um)
Synonym
Sun Exposure
Full Sun
Sun to Partial Shade
Foliage
Herbaceous
Height
24-36 in. (60-90 cm)
Spacing
9-12 in. (22-30 cm)
Hardiness
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
Danger
N/A
Bloom Color
Medium Purple
Bloom Time
Late Spring/Early Summer
Other Details
Category
Bulbs
Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
Flowers are good for cutting
This plant is attractive to bees, butterflies and/or birds
Flowers are fragrant
Bloom Size
Other details
Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information
Non-patented
Propagation Methods
By dividing rhizomes, tubers, corms or bulbs (including offsets)
Seed Collecting
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
Regional

This plant is said to grow outdoors in the following regions:

Long Beach, California

Denver, Colorado

Loveland, Colorado

Cordele, Georgia

Olathe, Kansas

Edgewater, Maryland

Minneapolis, Minnesota(2 reports)

Sparks, Nevada

Litchfield, New Hampshire

Denville, New Jersey

Clinton Corners, New York

Rochester, New York

Utica, New York

Elizabeth City, North Carolina

Coshocton, Ohio

Felicity, Ohio

Clarksville, Tennessee

Houston, Texas

Kalama, Washington

Kenosha, Wisconsin

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Gardener's Notes:

2
positives
1
neutral
0
negative
Sort By:
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C
C
Rochester, NY (Zone 6b) | June 2017 | positive

These are hardy, vibrant and long lasting.
Very tall stems - but flowers seem, at most to be about 3-4" in diameter. Even in full...Read More

J
Litchfield, NH (Zone 5b) | July 2013 | positive

1st year flowers were not 6-9" across by any means, but they were 4-5" across and were on sturdy stems that stayed standing until the see...Read More

L
L
Lenexa, KS (Zone 6a) | October 2004 | neutral

Cross between A. aflatunense and A. macleanii. Globe shaped florets are 6-9 inches across.

Featured
(Paralimnophila sp.)
Rufous-tailed Hummingbird
(Amazilia tzacatl)
Featured
(Paralimnophila sp.)
Rufous-tailed Hummingbird
(Amazilia tzacatl)