When to plant in Las Vegas, NM
USDA Zone 6bLas Vegas, New Mexico frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.
Zone 6b means Las Vegas sees real winter cold, but a good range of perennials survive; the frost dates above govern when annual vegetables go out.
Frost probability
LAS VEGAS WWTP · 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 Las Vegas’s own odds, recorded at LAS VEGAS WWTP.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Jun 18 | Jun 3 | May 22 | Sep 10 | Sep 22 | Oct 1 |
| 32°F | Jun 6 | May 24 | May 9 | Sep 20 | Sep 30 | Oct 11 |
| 28°F | May 24 | May 10 | Apr 29 | Sep 28 | Oct 7 | Oct 20 |
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 Las Vegas, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 35 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.
Las Vegas planting FAQ
When is the last spring frost in Las Vegas, NM?
Las Vegas's average last spring frost falls near May 24 — the 50% mark at 32°F in the 1991–2020 normals. Hold tender transplants until the risk has passed, then plant out.
When is the first fall frost in Las Vegas, NM?
Expect Las Vegas's first fall frost near September 30 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Las Vegas in?
Las Vegas 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 Las Vegas?
There are roughly 129 frost-free days in Las Vegas (a short growing season), running from the average last frost around May 24 to the first fall frost near September 30.
When should I plant tomatoes in Las Vegas?
In Las Vegas, start tomato seeds indoors around March 29–April 12, then transplant seedlings outdoors around May 31 once the danger of frost has passed.
Never miss a window in Las Vegas
An email when it’s time to start seeds, transplant, and sow — timed to Las Vegas’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Santa Fe · 69 km
- Española · 89 km
- Los Alamos · 102 km
- North Valley · 136 km
- Rio Rancho · 139 km
- Albuquerque · 141 km
- South Valley · 149 km
- Los Lunas · 168 km
Frost dates recorded at LAS VEGAS WWTP, 4 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 Las Vegas, NM — Frost Dates & Zone 6b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00294862. Retrieved from https://blissgarden.com/new-mexico/las-vegas.