When to plant garlic in Viana do Castelo: 12 November – end of December

In Viana do Castelo, garlic: plant from 12 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.

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 Viana do Castelo: soil, season and weather

Garlic goes into the ground in Viana do Castelo from 12 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 4.3 °C.

Planting	12 November – end of December
First autumn frost	12 December
Coldest nights	January, 4.3 °C
Soil back at 5 °C in spring	already in the first week of January
Harvest (card)	about 8 months after planting: July
Daylight	9:58 on 12 November
Daylight at the winter solstice	9:09

The same dates in Viana do Castelo hold for Tulip, Daffodil, Crocus and Hyacinth.

Garlic in Viana do Castelo: care after planting

Planted on 12 November: in the first weeks water every 7 days.

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

12 November — feed: nitrogen
10 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 Viana do Castelo, Vigo is 42 days earlier and Braga 11 days later.

City	Distance	Date	Difference
Braga	37 km	by 23 November	11 days later
Vigo	61 km	1 October – end of December	42 days earlier
Porto	63 km	by 19 November	7 days later
Pontevedra	84 km	1 October – end of December	42 days earlier
Vila Real	101 km	22 November – end of December	10 days later
Ourense	108 km	1 October – end of December	42 days earlier

Where to buy garlic for planting in Viana do Castelo

Planting stock goes into the ground from 12 November to the end of December; buy it before that. Within 15 km of Viana do Castelo OpenStreetMap lists 1 farm-supply shop, 1 plant nursery and 3 markets (collected 27 October 2026).

Zona de Atividades Económicas de Darque — market
2 km
Casa do Lavrador — farm supply
14 km
Viveiro — plant nursery
5 km
Mercado Municipal de Vila Praia de Âncora — market
Mon, Tue, Wed, Fri, Sat 08:00–18:00; Thu 07:00–18:00 · 14 km

Questions