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What to plant in April in the Lisbon district

In April in the Lisbon district: 31 plants to sow, 86 to plant out and 27 to harvest, plus feeds and treatments with doses.

This month's climate

16.3°Mean · 12.3–20.4 °C
72mm · 7.9 rain days
248h · Sun

Source: IPMA climate normals, station Lisboa (Instituto Geofísico), 1991–2020, as published in the station's Wikipedia climate table.

Sow

31

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.

Plant

86

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.

Harvest

27

Prune

3

Feed

43

Preventive treatment

26
  • LettucePotassium soap · against aphids10–20 ml / L
  • GarlicCopper (Bordeaux mixture) · against rust10–15 g / L
  • OnionCopper (Bordeaux mixture) · against blight & downy mildew10–15 g / L
  • PotatoCopper (Bordeaux mixture) · against blight & downy mildew10–15 g / L
  • Globe artichokePotassium soap · against aphids10–20 ml / L
  • SpearmintCopper (Bordeaux mixture) · against rust10–15 g / L
  • DillPotassium soap · against aphids10–20 ml / L
  • TurnipNeem oil · against red palm weevil3–5 ml / L
  • PomegranatePotassium soap · against aphids10–20 ml / L
  • Peach treePotassium soap · against aphids10–20 ml / L
  • Apple treePotassium soap · against aphids10–20 ml / L
  • Cherry treePotassium soap · against aphids10–20 ml / L
  • Plum treePotassium soap · against aphids10–20 ml / L
  • NectarinePotassium soap · against aphids10–20 ml / L
  • Sour cherryPotassium soap · against aphids10–20 ml / L
  • RedcurrantPotassium soap · against aphids10–20 ml / L
  • GooseberryWettable sulphur · against powdery mildew2–3 g / L
  • BlackcurrantWettable sulphur · against powdery mildew2–3 g / L
  • RosePotassium soap · against aphids10–20 ml / L
  • CarnationCopper (Bordeaux mixture) · against rust10–15 g / L
  • JasminePotassium soap · against aphids10–20 ml / L
  • Italian cypressCopper (Bordeaux mixture) · against fungal diseases10–15 g / L
  • HoneysucklePotassium soap · against aphids10–20 ml / L
  • BoxBacillus thuringiensis · against caterpillars1 g / L
  • Marguerite daisyPotassium soap · against aphids10–20 ml / L
  • Red-tip photiniaCopper (Bordeaux mixture) · against peacock spot10–15 g / 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.

Jobs this month

  • Harden off seedlings before planting out
  • Watch for aphids on new growth

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