When to plant in Durango, CO
USDA Zone 6bHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Durango, Colorado — all computed from Durango's nearest NOAA weather station.
In zone 6b, Durango gardeners can grow many hardy perennials, while the last and first frost still dictate the annual vegetable calendar.
Frost probability
DURANGO · 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 Durango’s own odds, recorded at DURANGO.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Jun 19 | Jun 2 | May 20 | Sep 11 | Sep 25 | Oct 5 |
| 32°F | Jun 7 | May 21 | May 7 | Sep 19 | Oct 2 | Oct 15 |
| 28°F | May 27 | May 7 | Apr 24 | Sep 29 | Oct 12 | Oct 23 |
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 Durango, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 17 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.
Durango planting FAQ
When is the last spring frost in Durango, CO?
Plan for the last spring frost in Durango around May 21 (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 Durango, CO?
The first fall frost in Durango typically arrives around October 2 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.
What hardiness zone is Durango in?
Durango 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 Durango?
Durango has about 134 frost-free days — a short growing season — between the average last spring frost (May 21) and first fall frost (October 2).
When should I plant tomatoes in Durango?
For Durango, sow tomatoes indoors about March 26–April 9 and move the seedlings out around May 28, after the last spring frost.
Never miss a window in Durango
An email when it’s time to start seeds, transplant, and sow — timed to Durango’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Farmington · 63 km
- Montrose · 134 km
- Clifton · 208 km
- Los Alamos · 208 km
- Gallup · 210 km
- Grand Junction · 212 km
- Española · 213 km
- Fruita · 223 km
Frost dates recorded at DURANGO, 3 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 Durango, CO — Frost Dates & Zone 6b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00052441. Retrieved from https://blissgarden.com/colorado/durango.