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When to plant garlic in Swansea: 1 November – end of December

In Swansea, garlic: plant from 1 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 Swansea: soil, season and weather

Garlic goes into the ground in Swansea from 1 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.

Planting1 November – end of December
First autumn frost1 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
Daylight9:41 on 1 November
Daylight at the winter solstice7:49

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

Garlic in Swansea: care after planting

Planted on 1 November: in the first weeks water every 7 days.

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

  • 1 November — feed: nitrogen
  • 29 November — 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

1 of the nearest cities share Swansea's date.

CityDistanceDateDifference
Cardiff55 km23 October – end of December9 days earlier
Bristol95 km23 October – end of December9 days earlier
Exeter104 km28 October – end of December4 days earlier
Worcester134 km23 October – end of December9 days earlier
Plymouth140 km1 November – end of Decembersame day
Birmingham170 km20 October – end of December12 days earlier

Where to buy garlic for planting in Swansea

Planting stock goes into the ground from 1 November to the end of December; buy it before that. Within 15 km of Swansea OpenStreetMap lists 1 garden centre, 2 markets and 1 farm shop (collected 20 October 2026).

Places: © OpenStreetMap contributors, ODbL.

Questions

When to plant garlic in Swansea?

In Swansea, garlic: plant from 1 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 Swansea?

Last spring frost around 28 February, first autumn frost around 1 December.

Other crops in Swansea, with their dates