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When to plant garlic in Viseu: 10 November – end of December

In Viseu, garlic: plant from 10 November to the end of December. For planting stock, the places nearby include Agriloja (farm supply, 2 km); addresses and opening hours are below.

Garlic is best planted early in the window: cloves planted late make smaller bulbs. Late planting works only while the soil is not frozen. Mulch after planting.

The average daily temperature here stays above 0 °C all winter, and at least two months average 10 °C or less: the cold garlic needs, one to two months at 0–10 °C (RHS). The two-month threshold is our rule of thumb. Sources: UVM Extension, UNH Extension, RHS.

Garlic in Viseu: soil, season and weather

Garlic goes into the ground in Viseu from 10 November to the end of December; the window opens a month before the first autumn frost. No month averages below 0 °C at night; the coldest nights, in January, average 3.7 °C.

Planting10 November – end of December
First autumn frost10 December
Coldest nightsJanuary, 3.7 °C
Soil back at 5 °C in springalready in the first week of January
Harvest (card)about 8 months after planting: July
Daylight10:07 on 10 November
Daylight at the winter solstice9:15

The same dates in Viseu hold for Tulip, Daffodil, Crocus and Hyacinth.

Garlic in Viseu: care after planting

Planted on 10 November: in the first weeks water every 7 days.

Feeding, by the card’s schedule from that day:

  • 10 November — feed: nitrogen
  • 8 December — feed: nitrogen

Pests and diseases of garlic to watch for:

Dates count from the first planting day of the window above; a later planting moves them by as many days.

Garlic in nearby cities

Around Viseu, Aveiro is 40 days earlier and Castelo Branco 16 days later.

CityDistanceDateDifference
Guarda56 km26 October – end of December15 days earlier
Aveiro62 km1 October40 days earlier
Coimbra67 km1 October40 days earlier
Vila Real73 km22 November – end of December12 days later
Porto80 kmby 19 November9 days later
Castelo Branco100 kmby 26 November16 days later

Where to buy garlic for planting in Viseu

Planting stock goes into the ground from 10 November to the end of December; buy it before that. Within 15 km of Viseu OpenStreetMap lists 1 garden centre, 6 farm-supply shops and 4 markets (collected 27 October 2026).

Places: © OpenStreetMap contributors, ODbL.

Questions

When to plant garlic in Viseu?

In Viseu, garlic: plant from 10 November to the end of December. Garlic is best planted early in the window: cloves planted late make smaller bulbs. Late planting works only while the soil is not frozen. Mulch after planting.

When is the last spring frost in Viseu?

Last spring frost around 7 February, first autumn frost around 10 December.

Other crops in Viseu, with their dates