When to plant in Cheney, WA
USDA Zone 6bHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Cheney, Washington — all computed from Cheney's nearest NOAA weather station.
Cheney's growing season is short at roughly 97 days, so succession planting is limited; lean on transplants over direct sowing for anything slow to mature. Zone 6b means Cheney sees real winter cold, but a good range of perennials survive; the frost dates above govern when annual vegetables go out.
Frost probability
SPOKANE 17 SSW · 1991–2020The date the last spring and first fall frost occur, by threshold and probability. A 90% date is later in spring — and earlier in fall — than a 10% date; the 50% · 32°F row is what most gardeners plan around. These are Cheney’s own odds, recorded at SPOKANE 17 SSW.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 32°F | Jul 13 | May 30 | May 9 | Aug 21 | Sep 4 | Sep 19 |
| 28°F | May 22 | May 5 | Apr 18 | Sep 2 | Sep 15 | Oct 3 |
Download this table as CSV ↓ — every threshold and probability, plus this city’s planting-window dates.
What to plant now
TODAY · JULY 19Full-year planting calendar
Each bar is the exact window to take a planting action in Cheney, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 21 km · complete 32°F normalsWhen stations disagree by more than a few days, that spread is real microclimate variation — elevation, water, urban heat. Judge which station best matches your own yard.
Cheney planting FAQ
When is the last spring frost in Cheney, WA?
On average, the last spring frost in Cheney is around May 30 (50% probability at 32°F, from 1991–2020 NOAA normals). Wait until after this date to set out tender plants like tomatoes and peppers.
When is the first fall frost in Cheney, WA?
In Cheney, the first 32°F freeze of fall lands around September 4 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is Cheney in?
Cheney is in USDA hardiness zone 6b. In zone 6b, winters are moderate — most common vegetables grow well in season.
How long is the growing season in Cheney?
There are roughly 97 frost-free days in Cheney (a short growing season), running from the average last frost around May 30 to the first fall frost near September 4.
When should I plant tomatoes in Cheney?
In Cheney, start tomato seeds indoors around April 4–April 18, then transplant seedlings outdoors around June 6 once the danger of frost has passed.
Never miss a window in Cheney
An email when it’s time to start seeds, transplant, and sow — timed to Cheney’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Airway Heights · 17 km
- Spokane · 22 km
- Spokane Valley · 32 km
- Liberty Lake · 41 km
- Post Falls · 54 km
- Rathdrum · 62 km
- Coeur d'Alene · 63 km
- Hayden · 66 km
Frost dates recorded at SPOKANE 17 SSW, 9 km from the city center · 1991–2020 NOAA climate normals · zone from the USDA/PRISM 2023 map. How we compute this.
BlissGarden. "When to Plant in Cheney, WA — Frost Dates & Zone 6b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00004136. Retrieved from https://blissgarden.com/washington/cheney.