ornamental onion
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 |
| Family | Amaryllidaceae |
| 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) |
| Flower Color | Purple |
| 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 |
Average Flowering Time
