Choose your country

What to plant in March in Côtes-d'Armor

In March in Côtes-d'Armor: 30 plants to sow, 82 to plant out and 26 to harvest, plus feeds and treatments with doses.

This month's climate

8°Mean · 4.7–11.4 °C
53mm · 10.6 rain days
121.6h · Sun

Source: Météo-France climate normals for the Saint-Brieuc, 1991–2020 station, as published in its Wikipedia climate table.

Sow

30

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

82

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

26

Prune

22

Feed

35

Preventive treatment

16
  • GarlicCopper (Bordeaux mixture) · against rust10–15 g / L
  • Broad beanPotassium soap · against aphids10–20 ml / L
  • PeaWettable sulphur · against powdery mildew2–3 g / L
  • SpinachPotassium soap · against aphids10–20 ml / L
  • Globe artichokePotassium soap · against aphids10–20 ml / L
  • ChickpeaCopper (Bordeaux mixture) · against fungal diseases10–15 g / L
  • StrawberryWettable sulphur · against powdery mildew2–3 g / L
  • StrawberryPotassium soap · against aphids10–20 ml / L
  • Olive treeCopper (Bordeaux mixture) · against peacock spot10–15 g / L
  • Almond treePotassium soap · against aphids10–20 ml / L
  • Peach treePotassium soap · against aphids10–20 ml / L
  • Apple treeCopper (Bordeaux mixture) · against scab10–15 g / L
  • Pear treeCopper (Bordeaux mixture) · against scab10–15 g / L
  • Plum treePotassium soap · against aphids10–20 ml / L
  • Walnut treeCopper (Bordeaux mixture) · against fungal diseases10–15 g / L
  • PistachioCopper (Bordeaux mixture) · against fungal diseases10–15 g / L
  • MangoCopper (Bordeaux mixture) · against fungal diseases10–15 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

  • Feed citrus and fruit trees
  • Check drip irrigation before the heat

Choose a month

Your own calendar, with only your plants

  • Choose what grows in your garden
  • Personal jobs, feeds and treatments every month
  • Phone reminders when it's time to sow, feed or spray
  • No ads
Open My garden

Add Hortario to your home screen

What you get

How to do it

  1. Tap Share . In Safari it's at the bottom (on iOS 26, tap “•••” first); in Chrome, in the address bar.
  2. Scroll and choose “Add to Home Screen” (if it isn't there, tap “View More”).
  3. Tap “Add”. If you see “Open as Web App”, leave it on.
  4. Done: open Hortario from the new icon.

On iPhone the icon app keeps its own data: you may need to pick your area and plants again.