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What to plant in May in Bas-Rhin

In May in Bas-Rhin: 19 plants to sow, 43 to plant out and 38 to harvest, plus feeds and treatments with doses.

This month's climate

15.5°Mean · 10.1–20.9 °C
77mm · 10.8 rain days
209.1h · Sun

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

Sow

19

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

43

Harvest

38

Prune

7

Feed

34

Preventive treatment

13
  • PotatoCopper (Bordeaux mixture) · against blight & downy mildew10–15 g / L
  • BeetrootCopper (Bordeaux mixture) · against peacock spot10–15 g / L
  • GrapevineWettable sulphur · against powdery mildew2–3 g / L
  • GrapevineCopper (Bordeaux mixture) · against blight & downy mildew10–15 g / L
  • Apple treeBacillus thuringiensis · against codling moth1 g / L
  • Pear treeBacillus thuringiensis · against codling moth1 g / L
  • Tree tomato (tamarillo)Potassium soap · against aphids10–20 ml / L
  • GooseberryWettable sulphur · against powdery mildew2–3 g / L
  • BlackcurrantWettable sulphur · against powdery mildew2–3 g / L
  • RoseWettable sulphur · against powdery mildew2–3 g / L
  • OleanderPotassium soap · against aphids10–20 ml / L
  • Bay laurelPotassium soap · against scale insects10–20 ml / L
  • ChrysanthemumPotassium soap · against aphids10–20 ml / L
  • HollyhockWettable sulphur · against rust2–3 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

  • Stake tomatoes and beans
  • Mulch to keep moisture in

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