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What to plant in April in Yvelines

In April in Yvelines: 26 plants to sow, 73 to plant out and 28 to harvest, plus feeds and treatments with doses.

This month's climate

10.7°Mean · 6–15.4 °C
50mm · 8.7 rain days
175.8h · Sun

Source: Météo-France climate normals for the Trappes station, as published in its Wikipedia climate table.

Sow

26

Plant

73

Harvest

28

Prune

12

Feed

32

Preventive treatment

27
  • 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
  • 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
  • Date palmSteinernema carpocapsae nematodes (solution) · against red palm weevil10–20 L / tree
  • 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
  • Canary Island date palmSteinernema carpocapsae nematodes (solution) · against red palm weevil10–20 L / tree
  • 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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