| Common Name | Onion |
| Family | Amaryllidaceae |
| Genus | Allium |
| Species | Cepa |
| Origin | Central Asia |
| Blooming | Biennial cycle; foliage in the first year, umbels in the second summer if not harvested. |
| Leaf Color | Grey-green to blue-green |
| Sunlight | Sun |
| Category | Kitchen garden plants |
| Pet Friendly | No |
Well-drained loamy soil rich in organic matter. pH 6.0-7.0 preferred.
Moderate watering during growth, reduce before harvest to prevent rot. Avoid waterlogging.
Full sun exposure required for bulb development; minimum 6 hours daily.
Balanced fertilizer at planting; nitrogen-rich feed early season. Stop fertilizing weeks before harvest.
Remove yellowing leaves and flower stalks (bolting) if bulb production is the goal.
These are the insects and pathogens that commonly interact with this plant, including pests, parasites, and organisms typically associated with its care.
Something wrong with your Allium cepa? Select a symptom to diagnose and fix the issue.
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