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Fruit & berries

Pineapple

Ananas comosus

Pineapple
Photo: Suniltg at Malayalam Wikipedia · CC BY 3.0 · Wikimedia Commons

A tropical bromeliad; in the Azores it has been grown in whitewashed greenhouses since the 1800s.

Light
Full sun (6 h or more)
Height
0.8–1 m
Watering
Moderate: 2–3 times a week in summer
Soil
acid, pH 4.5–5.5; loose and well-drained
Edible?
Yes: the fruit
How to plant
Plant the young plant with its crown at soil level, 50 cm apart.
Care
Plant the crown of a ripe pineapple. It takes 18–24 months to fruit; outdoors only where it never frosts, otherwise under glass.

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. You can start seedlings earlier indoors or in a greenhouse, but plant them out only once the frosts are over.

Feeding and doses

Mild Mediterranean

  • Organic granular fertiliserMay, Aug50–80 g / m²

Pest prevention and doses

Mild Mediterranean

  • Scale insectsPotassium soap · Jul10–20 ml / L

Approximate doses: always follow the product label. Spray in the evening, never in full sun or on flowers visited by bees. No sulphur above 30 °C.

How easy to grow by climate

  • Warm coastDifficultToo warm a climate
  • Mild MediterraneanNot recommended outdoorsHot, dry summers
  • Southern interiorNot recommended outdoorsExtreme summer heat
  • Continental interiorNot recommended outdoorsFrost and a short season
  • Cold interior and uplandsNot recommended outdoorsHard, long frosts
  • AtlanticNot recommended outdoorsRain and humidity: fungal disease
  • Canary Islands (subtropical)Needs regular careNo winter chill

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