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What to plant in December in Essonne

In December in Essonne: 5 plants to sow, 46 to plant out and 53 to harvest, plus feeds and treatments with doses.

This month's climate

4.9°Mean · 2.2–7.6 °C
63mm · 11.8 rain days
—h · Sun

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

Sow

5

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

46

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

53

Prune

0

Nothing this month.

Feed

1
  • CyclamenOrganic granular fertiliser50–80 g / m²

Preventive treatment

2
  • Lemon treeCopper (Bordeaux mixture) · against fungal diseases10–15 g / L
  • Orange treeCopper (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

  • Spread manure on empty beds
  • Clean and sharpen tools

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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.