Names:
Allium Flower,
Ornamental Onion Flow. 
 
Allium Flower Varieties:
There are over 400 varieties of allium flowers. Allium Flowers are composed of many star-shaped blossoms, which may be compact to form a round cluster, or loose sprays of blossoms.
 
Colors:
Most allium flowers come in shades of purple, but some varieties are available in white, pink, or yellow. 
 
 
Flower Scent:
Slight onion scent, becoming noticeable when the flowers are bruised, damaged, or aging.
 
Freshness:
Alliums should have one-third to one-half of their blossoms open.
 
Vase Life:
10 days up to 3 weeks. Change the water frequently to prevent odor from developing.
 
Availability:
Late spring through summer.
 
Cost:
The giganteum variety - expensive.
Other varieties - inexpensive to moderately priced.
 
Meaning:
European folklore ascribed magical properties to the ornamental onion.The plant was used for good luck and protection against demons.
 
Arranging Tip:
Be very careful not to bruise the flowers when arranging, as this will release the onion odor. See flower arranging tip, 13.
 
Growing Tip:
Allium flowers are very easy to grow, multiplying rapidly. They do well in poor or dry soil, and in full sun or shade. The flowers can last up to a month in the garden. Plant the tall, big-blossomed varieties in an area protected from wind, since the stems break easily. See flower growing tip, 12.

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