Ornamental Onion
Allium 'Gladiator'

Family: Alliaceae
Genus: Allium (AL-ee-um) (Info)
Cultivar: Gladiator

Category:

Bulbs

Perennials

Height:

36-48 in. (90-120 cm)

Spacing:

9-12 in. (22-30 cm)

Hardiness:

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)

Sun Exposure:

Full Sun

Danger:

N/A

Bloom Color:

Purple

Bloom Time:

Late Spring/Early Summer

Foliage:

Herbaceous

Other details:

This plant is attractive to bees, butterflies and/or birds

Flowers are fragrant

Average Water Needs; Water regularly; do not overwater

Flowers are good for cutting

Soil pH requirements:

Unknown - Tell us

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 has been said to grow in the following regions:

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

Utica, New York

Elizabeth City, North Carolina

Coshocton, Ohio

Felicity, Ohio

Clarksville, Tennessee

Houston, Texas

Kalama, Washington

Kenosha, Wisconsin

show all

Gardeners' Notes:

1
positive
1
neutral
0
negatives
RatingContent
Positive

On Jul 7, 2013, JenDion from Litchfield, NH (Zone 5b) wrote:

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 seeds ripened...and probably beyond if I hadn't harvested them.

Neutral

On Oct 10, 2004, langbr from Olathe, KS (Zone 6a) wrote:

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