Onion Rossa Lunga di Firenze — one of the oldest and most widespread vegetables in the world, grown for its aromatic bulb.
Botanical name: Allium cepa
Sowing: under cover, 50–60 days before planting out
Spacing: 15 cm between plants, 30 cm between rows
Germination: 8–12 days at 18–20 °C
Harvest: 100–140 days after planting out
Companion planting: good neighbours: carrot, beetroot, lettuce. Avoid: beans and peas.
Contents: 0.5 g
| Life cycle | Annual |
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