When to plant in Pueblo West, CO
USDA Zone 6aEverything below — frost dates, hardiness zone, and what to plant when in Pueblo West, Colorado — is derived from the closest NOAA station with complete climate normals.
In zone 6a, Pueblo West gardeners can grow many hardy perennials, while the last and first frost still dictate the annual vegetable calendar.
Frost probability
PUEBLO RSVR · 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 Pueblo West’s own odds, recorded at PUEBLO RSVR.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 19 | May 6 | Apr 24 | Sep 24 | Oct 5 | Oct 17 |
| 32°F | May 8 | Apr 26 | Apr 13 | Sep 30 | Oct 13 | Oct 25 |
| 28°F | Apr 30 | Apr 16 | Apr 1 | Oct 6 | Oct 22 | Nov 4 |
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 Pueblo West, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 25 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.
Pueblo West planting FAQ
When is the last spring frost in Pueblo West, CO?
On average, the last spring frost in Pueblo West is around April 26 (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 Pueblo West, CO?
The first fall frost in Pueblo West typically arrives around October 13 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.
What hardiness zone is Pueblo West in?
Pueblo West 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 Pueblo West?
Pueblo West has about 170 frost-free days — a moderate growing season — between the average last spring frost (April 26) and first fall frost (October 13).
When should I plant tomatoes in Pueblo West?
For Pueblo West, sow tomatoes indoors about March 1–March 15 and move the seedlings out around May 3, after the last spring frost.
Never miss a window in Pueblo West
An email when it’s time to start seeds, transplant, and sow — timed to Pueblo West’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Pueblo · 16 km
- Cañon City · 41 km
- Fort Carson · 41 km
- Fountain · 42 km
- Security-Widefield · 49 km
- Cimarron Hills · 61 km
- Colorado Springs · 61 km
- Black Forest · 84 km
Frost dates recorded at PUEBLO RSVR, 9 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 Pueblo West, CO — Frost Dates & Zone 6a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00056765. Retrieved from https://blissgarden.com/colorado/pueblo-west.