Allium atropurpureum (ornamental onion) is a perennial bulb whose specific epithet, “atropurpureum” is Latin for deep purple.
This refers to the color of its hemispheric flower. After blooming, this plant’s long-lasting and unique seed head contnues to add interest to the garden well into the summer months.
|Botanical Name||Allium atropurpureum|
|Common Name||ornamental onion|
|USDA Zone||3 thru 8|
|Light Requirement||Full Sun|
|Season(s) of interest||all seasons|
|Height and Spread||1.5-2.5ft x 0.5ft (45-75cm x 15cm)|
|Attracts Wildlife||Attracts Pollinators, Rarely Browsed by Mammalian Herbivores|
|Additional Information||Not Native to the US Midwest. Native to Asia Minor from Hungary to Turkey|
|Location in Lurie Garden||Northeast Light Plate, Northwest Light Plate, Southwest Light Plate, Southeast Light Plate|