groa blom

Sowing calendar · Alliums

Leek

Leek

Allium ampeloprasum var. porrum · Alho-francês, Puerro, Poireau, Lauch, Porro, alho frances

Calendar

Calendar for mainland Portugal.

  • JFMAMJJASOND
  • Sow in traysAug–Sep, Jan–Apr
  • TransplantMar–Jun, Oct–Nov
  • HarvestJun–Nov, Jan–Apr
Germination
10–18 days · soil from 7 °C
Spacing
35 cm between rows · 15 cm apart
Sowing depth
1 cm
Harvest after
100–150 days
Water need
medium
Frost
hardy
Life cycle
biennial
Family
Amaryllidaceae
Seed saving
hard · keeps ~2 years

Notes

Transplant pencil-thick seedlings into deep holes and let the soil fill in; earth up for a longer white stem.

Good neighbours

Keep apart from

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