When to plant in Pocatello, ID
USDA Zone 6aHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Pocatello, Idaho — all computed from Pocatello's nearest NOAA weather station.
In zone 6a, Pocatello gardeners can grow many hardy perennials, while the last and first frost still dictate the annual vegetable calendar.
Frost probability
POCATELLO CITY · 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 Pocatello’s own odds, recorded at POCATELLO CITY.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Jun 5 | May 17 | May 1 | Sep 12 | Sep 30 | Oct 15 |
| 32°F | May 18 | May 2 | Apr 17 | Sep 26 | Oct 11 | Oct 26 |
| 28°F | May 4 | Apr 17 | Mar 30 | Oct 8 | Oct 24 | Nov 6 |
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 Pocatello, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 10 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.
Pocatello planting FAQ
When is the last spring frost in Pocatello, ID?
Plan for the last spring frost in Pocatello around May 2 (the date it has a 50% chance of a 32°F freeze). Anything frost-sensitive should go out after it.
When is the first fall frost in Pocatello, ID?
The first fall frost in Pocatello typically arrives around October 11 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.
What hardiness zone is Pocatello in?
Pocatello is in USDA hardiness zone 6a. In zone 6a, winters are moderate — most common vegetables grow well in season.
How long is the growing season in Pocatello?
Pocatello has about 162 frost-free days — a moderate growing season — between the average last spring frost (May 2) and first fall frost (October 11).
When should I plant tomatoes in Pocatello?
For Pocatello, sow tomatoes indoors about March 7–March 21 and move the seedlings out around May 9, after the last spring frost.
Never miss a window in Pocatello
An email when it’s time to start seeds, transplant, and sow — timed to Pocatello’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Chubbuck · 6 km
- Blackfoot · 37 km
- Idaho Falls · 77 km
- Ammon · 79 km
- Burley · 115 km
- Rexburg · 119 km
- Smithfield · 126 km
- Tremonton · 130 km
Frost dates recorded at POCATELLO CITY, 1 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 Pocatello, ID — Frost Dates & Zone 6a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00107210. Retrieved from https://blissgarden.com/idaho/pocatello.