Allium, Ornamental Onion, Ornamental Allium 'Persian Blue'

Alliumaflatunense

Genus
Allium (AL-ee-um)
Species
aflatunense (a-flat-un-EN-see)
Synonym
Sun Exposure
Full Sun
Sun to Partial Shade
Height
24-36 in. (60-90 cm)
Spacing
6-9 in. (15-22 cm)
9-12 in. (22-30 cm)
Hardiness
USDA Zone 3a: to -39.9 °C (-40 °F)
USDA Zone 3b: to -37.2 °C (-35 °F)
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)
Danger
N/A
Bloom Color
Blue-Violet
Bloom Time
Late Spring/Early Summer
Other Details
Category
Bulbs
Perennials
Water Requirements
Foliage Color
Where to Grow
Bloom Characteristics
Flowers are good for cutting
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Other details
Soil pH requirements
Patent Information
Propagation Methods
Seed Collecting
Regional

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

Patterson, Georgia

Fort Benton, Montana

Seattle, Washington

Pavillion, Wyoming

Riverton, Wyoming

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Gardener's Notes:

0
positive
0
neutral
0
negative
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(Diogmites platypterus)
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(Morus serrator)
Featured
Robber Fly
(Diogmites platypterus)
Australasian Gannet
(Morus serrator)