When to plant garlic in Sligo: 22 October – end of December

In Sligo, garlic: plant from 22 October to the end of December. For planting stock, the places nearby include Horkans (garden centre, 1 km) and Homeland Plus (farm shop, 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 Sligo: soil, season and weather

Garlic goes into the ground in Sligo from 22 October 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 2.8 °C.

Planting	22 October – end of December
First autumn frost	21 November
Coldest nights	January, 2.8 °C
Soil back at 5 °C in spring	12 January
Harvest (card)	about 8 months after planting: June
Daylight	10:07 on 22 October
Daylight at the winter solstice	7:19

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

Garlic in Sligo: care after planting

Planted on 22 October: in the first weeks water every 7 days.

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

22 October — feed: nitrogen
19 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

Around Sligo, Belfast is 2 days earlier and Letterkenny 7 days later.

City	Distance	Date	Difference
Letterkenny	91 km	29 October – end of December	7 days later
Athlone	101 km	27 October – end of December	5 days later
Derry	110 km	22 October – end of December	same day
Galway	118 km	29 October – end of December	7 days later
Dundalk	138 km	21 October – end of December	1 day earlier
Belfast	168 km	20 October – end of December	2 days earlier

Where to buy garlic for planting in Sligo

Planting stock goes into the ground from 22 October to the end of December; buy it before that. Within 15 km of Sligo OpenStreetMap lists 2 garden centres and 1 farm shop (collected 20 October 2026).

Horkans — garden centre
Mon–Sun 10:00–18:00 · 1 km
Homebase — garden centre
Carraroe Retail Park, Sligo · 2 km
Homeland Plus — farm shop
Deep Water Quay, F91 HR53 Sligo · 2 km

Questions