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What to plant in December in León

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

This month's climate

4.2°Mean · 0.4–8 °C
66mm · 8.7 rain days
120h · Sun

Source: AEMET climate normals, station León, Virgen del Camino (2661), 1981–2010.

Climate alerts this month

  • Frost risk: 14.6 frost days on average. Cover tender plants at night.

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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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
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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.