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When to plant garlic in Spokane: 15 September – 23 November

In Spokane, garlic: plant from 15 September to about 23 November. For planting stock, the places nearby include Mike's Mowers (farm supply, 7 km) and St John Hardware & Implement (farm supply, 10 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 Spokane: soil, season and weather

Garlic goes into the ground in Spokane from 15 September to about 23 November; the window opens a month before the first autumn frost. Nights then average below 0 °C in November–March; the coldest, January, averages -5.2 °C.

Planting15 September – 23 November
First autumn frost15 October
Coldest nightsJanuary, -5.2 °C
Soil back at 5 °C in spring22 March
Harvest (card)about 8 months after planting: May
Daylight12:38 on 15 September
Daylight at the winter solstice8:25

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

Garlic in Spokane: care after planting

Planted on 15 September: in the first weeks water every 7 days.

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

  • 15 September — feed: nitrogen
  • 13 October — 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 Spokane, Calgary is 14 days earlier and Seattle 40 days later.

CityDistanceDateDifference
Missoula271 km6 September – 12 November9 days earlier
Kelowna289 km1 October – 27 November16 days later
Seattle367 km25 October – end of December40 days later
Olympia418 km16 October – end of December31 days later
Helena425 km3 September – 5 November12 days earlier
Calgary449 km1 September – 26 October14 days earlier

Where to buy garlic for planting in Spokane

Planting stock goes into the ground from 15 September to about 23 November; buy it before that. Within 15 km of Spokane OpenStreetMap lists 13 garden centres, 6 farm-supply shops, 4 plant nurseries and 1 market (collected 20 October 2026).

Places: © OpenStreetMap contributors, ODbL.

Questions

When to plant garlic in Spokane?

In Spokane, garlic: plant from 15 September to about 23 November. 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 Spokane?

Last spring frost around 21 April, first autumn frost around 15 October.

Other crops in Spokane, with their dates