| Common Name | Round-headed Leek |
| Family | Amaryllidaceae |
| Genus | Allium |
| Species | Sphaerocephalon |
| Origin | Europe / Asia Minor / North Africa |
| Blooming | Summer, distinctive spherical flower heads. |
| Leaf Color | Blue-green / Grey-green |
| Sunlight | Sun |
| Category | Outdoor plants |
| Pet Friendly | No |
Well-drained sandy or loamy soil, tolerates poor soil, dislikes waterlogging.
Moderate during growing season, allow soil to dry between waterings, stop watering after foliage dies back in late summer.
Full sun exposure required for best flowering and bulb strength.
Apply balanced slow-release fertilizer in early spring before growth begins.
Cut flower stems after blooming; remove yellowed foliage once dormant.
These are the insects and pathogens that commonly interact with this plant, including pests, parasites, and organisms typically associated with its care.
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