Greenly Garden

When to plant garlic in New Haven: 13 October – end of December

In New Haven, garlic: plant from 13 October to the end of December. For planting stock, the places nearby include Van Wilgen's Garden Center (garden centre, 13 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 New Haven: soil, season and weather

Garlic goes into the ground in New Haven from 13 October to the end of December; the window opens a month before the first autumn frost. Nights then average below 0 °C in December–February; the coldest, January, averages -3.4 °C.

Planting13 October – end of December
First autumn frost12 November
Coldest nightsJanuary, -3.4 °C
Soil back at 5 °C in spring29 February
Harvest (card)about 8 months after planting: June
Daylight11:15 on 13 October
Daylight at the winter solstice9:11

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

Garlic in New Haven: care after planting

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

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

  • 13 October — feed: nitrogen
  • 10 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 New Haven, Albany is 6 days earlier and New York 8 days later.

CityDistanceDateDifference
Hartford54 km9 October – 19 December4 days earlier
New York113 km21 October – end of December8 days later
Providence138 km9 October – 30 December4 days earlier
Worcester (United States)141 km9 October – 11 December4 days earlier
Albany164 km7 October – 30 November6 days earlier
Boston193 km14 October – 29 December1 day later

Where to buy garlic for planting in New Haven

Planting stock goes into the ground from 13 October to the end of December; buy it before that. Within 15 km of New Haven OpenStreetMap lists 5 garden centres, 1 plant nursery, 1 market and 3 farm shops (collected 28 October 2026).

Places: © OpenStreetMap contributors, ODbL.

Questions

When to plant garlic in New Haven?

In New Haven, garlic: plant from 13 October 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 New Haven?

Last spring frost around 6 April, first autumn frost around 12 November.

Other crops in New Haven, with their dates