When to plant in Burley, ID
USDA Zone 6bHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Burley, Idaho — all computed from Burley's nearest NOAA weather station.
Zone 6b means Burley sees real winter cold, but a good range of perennials survive; the frost dates above govern when annual vegetables go out.
The average first fall frost in Burley is now 7 days later than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
BURLEY 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 Burley’s own odds, recorded at BURLEY MUNI AP.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Jun 12 | May 24 | May 8 | Sep 5 | Sep 21 | Oct 5 |
| 32°F | May 23 | May 7 | Apr 23 | Sep 21 | Oct 4 | Oct 18 |
| 28°F | May 5 | Apr 21 | Apr 6 | Oct 1 | Oct 17 | Nov 1 |
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 Burley, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 28 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.
Burley planting FAQ
When is the last spring frost in Burley, ID?
Plan for the last spring frost in Burley around May 7 (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 Burley, ID?
In Burley, the first 32°F freeze of fall lands around October 4 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is Burley in?
Burley 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 Burley?
There are roughly 150 frost-free days in Burley (a moderate growing season), running from the average last frost around May 7 to the first fall frost near October 4.
When should I plant tomatoes in Burley?
In Burley, start tomato seeds indoors around March 12–March 26, then transplant seedlings outdoors around May 14 once the danger of frost has passed.
Never miss a window in Burley
An email when it’s time to start seeds, transplant, and sow — timed to Burley’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Twin Falls · 55 km
- Jerome · 63 km
- Pocatello · 115 km
- Chubbuck · 117 km
- Blackfoot · 139 km
- Tremonton · 161 km
- Mountain Home · 169 km
- Idaho Falls · 178 km
Frost dates recorded at BURLEY MUNI AP, 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 Burley, ID — Frost Dates & Zone 6b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00024133. Retrieved from https://blissgarden.com/idaho/burley.