| Common Name | Precorio F1 Onion |
| Family | Amaryllidaceae |
| Genus | Allium |
| Species | Cepa |
| Variety | Precorio F1 |
| Origin | Netherlands |
| Blooming | Biennial, flowers only in second year if bolted; grown for bulb production. |
| Leaf Color | Blue-green to dark green |
| Sunlight | Sun |
| Category | Kitchen garden plants |
| Pet Friendly | No |
Well-drained loamy soil rich in organic matter. pH range 6.0-7.5.
Consistent moisture during bulbing phase; stop watering 2 weeks before harvest to prevent rot and ensure storage quality.
Requires full sun exposure (minimum 8 hours daily) for optimal bulb development and sugar accumulation.
High nitrogen at planting, switch to phosphorus/potassium as bulbs swell. Avoid excess nitrogen late season.
Remove flower stalks immediately if seed production is not the goal. Thin seedlings for proper spacing.
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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