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Vegetables

White lupin

Lupinus albus

White lupin
Photo: Jean-Claude Echardour [CC BY-SA], via Tela Botanica · CC BY 2.0 · Wikimedia Commons

A winter legume for poor, acid soils; its debittered seeds are the «tremoço» snack.

Light
Full sun (6 h or more)
Height
0.5–1 m
Watering
Low: every 7–15 days, drought-tolerant
Soil
acid, pH 4.5–5.5; poor and dry
Edible?
Yes: the seeds
How to plant
Sow direct 3 cm deep; leave 20 cm between plants.
Care
Hates lime. Raw seeds are bitter and toxic: boil them, then soak for a week, changing the water daily.

Calendar by climate

Warm coast
Mild Mediterranean
Southern interior
Continental interior
Cold interior and uplands
Atlantic
Canary Islands (subtropical)
SowPlantHarvestPruneFeedTreat

Dates are for growing outdoors, based on the local climate. In a greenhouse or tunnel everything comes earlier.

Feeding and doses

Mild Mediterranean

Not needed.

Pest prevention and doses

Mild Mediterranean

Not needed.

How easy to grow by climate

  • Warm coastEasy
  • Mild MediterraneanEasy
  • Southern interiorEasy
  • Continental interiorEasy
  • Cold interior and uplandsNeeds regular careHard, long frosts
  • AtlanticEasy
  • Canary Islands (subtropical)Easy

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