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When to plant garlic in St. John's: 11 October – 1 December

In St. John's, garlic: plant from 11 October to about 1 December. For planting stock, the places nearby include The Seed Company (garden centre, 1 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 date is about two weeks before the average daily temperature here falls below 0 °C (ten years of weather): an estimate, not the day the ground freezes, and a cold spell can freeze it earlier. Sources: UVM Extension, UNH Extension, RHS, how the ground freezes (NRC Canada, CBD-26).

Garlic in St. John's: soil, season and weather

Garlic goes into the ground in St. John's from 11 October to about 1 December; the window opens a month before the first autumn frost. Nights then average below 0 °C in December–April; the coldest, February, averages -6.9 °C.

Planting11 October – 1 December
First autumn frost10 November
Coldest nightsFebruary, -6.9 °C
Soil back at 5 °C in spring7 May
Harvest (card)about 8 months after planting: June
Daylight11:09 on 11 October
Daylight at the winter solstice8:26

The same dates in St. John's hold for Tulip, Daffodil, Crocus and Hyacinth.

Garlic in St. John's: care after planting

Planted on 11 October: in the first weeks water every 7 days.

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

  • 11 October — feed: nitrogen
  • 8 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

All the nearest cities on our list plant garlic earlier than St. John's; the closest date is in Halifax, 1 day earlier.

CityDistanceDateDifference
Charlottetown805 km3 October – 20 November8 days earlier
Halifax897 km10 October – 1 December1 day earlier
Moncton933 km5 October – 17 November6 days earlier
Fredericton1,077 km28 September – 11 November13 days earlier
Bangor1,268 km4 October – 19 November7 days earlier
Augusta1,365 km4 October – 20 November7 days earlier

Where to buy garlic for planting in St. John's

Planting stock goes into the ground from 11 October to about 1 December; buy it before that. Within 15 km of St. John's OpenStreetMap lists 3 garden centres and 2 markets (collected 20 October 2026).

Places: © OpenStreetMap contributors, ODbL.

Questions

When to plant garlic in St. John's?

In St. John's, garlic: plant from 11 October to about 1 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 St. John's?

Last spring frost around 19 May, first autumn frost around 10 November.

Other crops in St. John's, with their dates