When to plant garlic in Constantine: 13 November – end of December

In Constantine, garlic: plant from 13 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 Constantine: soil, season and weather

Garlic goes into the ground in Constantine from 13 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 2.3 °C.

Planting	13 November – end of December
First autumn frost	13 December
Coldest nights	January, 2.3 °C
Soil back at 5 °C in spring	already in the first week of January
Harvest (card)	about 8 months after planting: July
Daylight	10:19 on 13 November
Daylight at the winter solstice	9:41

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

Garlic in Constantine: care after planting

Planted on 13 November: in the first weeks water every 7 days.

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

13 November — feed: nitrogen
11 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

All the nearest cities on our list plant garlic earlier than Constantine; the closest date is in Algiers, 43 days earlier.

City	Distance	Date	Difference
Algiers	320 km	1 October	43 days earlier
Tunis	322 km	1 October	43 days earlier
Sousse	367 km	1 October	43 days earlier
Cagliari	386 km	1 October	43 days earlier
Sfax	417 km	1 October	43 days earlier
Gabès	421 km	1 October	43 days earlier

Where to buy garlic for planting in Constantine

Planting stock goes into the ground from 13 November to the end of December; buy it before that. Within 15 km of Constantine OpenStreetMap lists 14 markets (collected 27 October 2026).

Questions