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When to plant garlic in Sendai: 24 October – end of December

In Sendai, garlic: plant from 24 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.

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 Sendai: soil, season and weather

Garlic goes into the ground in Sendai from 24 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 -2.7 °C.

Planting24 October – end of December
First autumn frost23 November
Coldest nightsJanuary, -2.7 °C
Soil back at 5 °C in spring13 March
Harvest (card)about 8 months after planting: June
Daylight10:54 on 24 October
Daylight at the winter solstice9:30

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

Garlic in Sendai: care after planting

Planted on 24 October: in the first weeks water every 7 days.

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

  • 24 October — feed: nitrogen
  • 21 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 Sendai, Sapporo is 37 days earlier and Niigata 27 days later.

CityDistanceDateDifference
Niigata165 km20 November – end of December27 days later
Tokyo305 km14 November – end of December21 days later
Hamamatsu485 km18 November – end of December25 days later
Nagoya493 km10 November – end of December17 days later
Sapporo534 km17 September – 31 October37 days earlier
Kyoto582 km7 November – end of December14 days later

Where to buy garlic for planting in Sendai

Planting stock goes into the ground from 24 October to the end of December; buy it before that. Within 15 km of Sendai OpenStreetMap lists 2 garden centres, 1 farm-supply shop, 4 markets and 2 farm shops (collected 28 October 2026).

Places: © OpenStreetMap contributors, ODbL.

Questions

When to plant garlic in Sendai?

In Sendai, garlic: plant from 24 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 Sendai?

Last spring frost around 31 March, first autumn frost around 23 November.

Other crops in Sendai, with their dates