groa blom

Sowing calendar · Alliums

Onion

Onion

Allium cepa · Cebola, Cebolla, Oignon, Zwiebel, Cipolla, cebolo

Calendar

Calendar for mainland Portugal.

  • JFMAMJJASOND
  • Sow in traysSep–Nov, Jan–Feb
  • Plant setsNov–Mar
  • TransplantNov–Mar
  • HarvestMay–Aug
Germination
7–14 days · soil from 2 °C
Spacing
25 cm between rows · 10 cm apart
Sowing depth
1 cm
Harvest after
120–180 days
Water need
medium
Frost
hardy
Life cycle
biennial
Family
Amaryllidaceae
Seed saving
medium · keeps ~1 years

Notes

Choose short or intermediate day-length varieties for Portugal. Stop watering when the necks fall; cure ~2 weeks before storing.

Good neighbours

Keep apart from

Months for mainland Portugal. In the app, sowing and planting follow your own local climate and the forecast.