When to plant in East Wenatchee, WA
USDA Zone 7aHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for East Wenatchee, Washington — all computed from East Wenatchee's nearest NOAA weather station.
Zone 7a means many perennials and even some tender shrubs overwinter in East Wenatchee, while your frost dates still decide when annuals go out.
Frost probability
WENATCHEE · 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 East Wenatchee’s own odds, recorded at WENATCHEE.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 5 | Apr 21 | Apr 7 | Oct 6 | Oct 17 | Oct 29 |
| 32°F | Apr 19 | Apr 4 | Mar 17 | Oct 17 | Oct 28 | Nov 11 |
| 28°F | Apr 2 | Mar 13 | Mar 1 | Oct 26 | Nov 10 | Nov 25 |
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 East Wenatchee, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 30 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.
East Wenatchee planting FAQ
When is the last spring frost in East Wenatchee, WA?
On average, the last spring frost in East Wenatchee is around April 4 (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 East Wenatchee, WA?
Expect East Wenatchee's first fall frost near October 28 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is East Wenatchee in?
East Wenatchee is in USDA hardiness zone 7a. In zone 7a, winters are moderate — most common vegetables grow well in season.
How long is the growing season in East Wenatchee?
There are roughly 207 frost-free days in East Wenatchee (a moderate growing season), running from the average last frost around April 4 to the first fall frost near October 28.
When should I plant tomatoes in East Wenatchee?
In East Wenatchee, start tomato seeds indoors around February 7–February 21, then transplant seedlings outdoors around April 11 once the danger of frost has passed.
Never miss a window in East Wenatchee
An email when it’s time to start seeds, transplant, and sow — timed to East Wenatchee’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Wenatchee · 4 km
- Ellensburg · 51 km
- Moses Lake · 83 km
- Terrace Heights · 92 km
- Yakima · 94 km
- Snoqualmie · 120 km
- Sunnyside · 124 km
- Enumclaw · 131 km
Frost dates recorded at WENATCHEE, 2 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 East Wenatchee, WA — Frost Dates & Zone 7a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00459074. Retrieved from https://blissgarden.com/washington/east-wenatchee.