When to plant in Baker City, OR
USDA Zone 6bEverything below — frost dates, hardiness zone, and what to plant when in Baker City, Oregon — is derived from the closest NOAA station with complete climate normals.
Baker City's growing season is short at roughly 113 days, so succession planting is limited; lean on transplants over direct sowing for anything slow to mature. Zone 6b means Baker City sees real winter cold, but a good range of perennials survive; the frost dates above govern when annual vegetables go out.
Frost probability
BAKER CITY MUNI AP · 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 Baker City’s own odds, recorded at BAKER CITY MUNI AP.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 32°F | Jun 16 | May 25 | May 9 | Sep 2 | Sep 15 | Oct 1 |
| 28°F | May 23 | May 8 | Apr 25 | Sep 12 | Sep 27 | Oct 9 |
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 Baker City, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
2 within 47 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.
Baker City planting FAQ
When is the last spring frost in Baker City, OR?
On average, the last spring frost in Baker City is around May 25 (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 Baker City, OR?
The first fall frost in Baker City typically arrives around September 15 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.
What hardiness zone is Baker City in?
Baker City 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 Baker City?
There are roughly 113 frost-free days in Baker City (a short growing season), running from the average last frost around May 25 to the first fall frost near September 15.
When should I plant tomatoes in Baker City?
In Baker City, start tomato seeds indoors around March 30–April 13, then transplant seedlings outdoors around June 1 once the danger of frost has passed.
Never miss a window in Baker City
An email when it’s time to start seeds, transplant, and sow — timed to Baker City’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reachFrost dates recorded at BAKER CITY MUNI AP, 8 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 Baker City, OR — Frost Dates & Zone 6b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00024130. Retrieved from https://blissgarden.com/oregon/baker-city.