Frost dates & planting calendar for Las Vegas, NV
Frost dates
Jan 24
Last spring frost, typical
In half of the years that freeze, the last frost comes later.
Safer date: Feb 19. Only 1 freeze year in 10 has a frost after this.
Dec 10
First fall frost, typical
In half of the years that freeze, it comes earlier.
Early date: Nov 24. Only 1 freeze year in 10 freezes before this.
323
Days, typical frost-free season
From NOAA’s 1991–2020 climate normals for this station.
9a
USDA hardiness zone
Coldest night of the winter, averaged over 1991–2020: 20 to 25°F (−6.7 to −3.9°C).
Zone for ZIP 89129, the ZIP nearest the city center; zones can vary within a city. What zone 9a means.
What to plant right now
As of Nov 9, 2026
Typical frost-free season: 323 days. Station: Las Vegas Air Terminal, NV, 7 km away. Source: NOAA NCEI U.S. Climate Normals 1991–2020 (32°F threshold).
Hardiness zones: 2023 USDA Plant Hardiness Zone Map, PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed 9 Nov 2026.
Can I plant tomatoes now?
Not yet. Start tomato seeds indoors from Dec 25 to Jan 8, then plant them out from Feb 19 to Mar 5.
Planting calendar
Windows are counted from the safer dates (Feb 19 in spring, Nov 24 in fall). Going by the typical dates instead gains you about 4 weeks in spring, with more risk.
December
The next window opens in December.
Tomatotender
Next: start indoors from Dec 25
- Start indoors
- Dec 25 – Jan 8
- Transplant outdoors
- Feb 19 – Mar 5
Eggplanttender
Next: start indoors from Dec 25
- Start indoors
- Dec 25 – Jan 8
- Transplant outdoors
- Feb 19 – Mar 5
Broccolihardy
Next: start indoors from Dec 25
- Start indoors
- Dec 25 – Jan 8
- Transplant outdoors
- Jan 22 – Feb 19
- Sow outdoors
- Jan 22 – Feb 5
- Sow for fall
- Sep 1 – Sep 15
Cabbagehardy
Next: start indoors from Dec 25
- Start indoors
- Dec 25 – Jan 8
- Transplant outdoors
- Jan 22 – Feb 19
- Sow outdoors
- Jan 22 – Feb 5
- Sow for fall
- Sep 1 – Sep 15
Cauliflowerhalf hardy
Next: start indoors from Dec 25
- Start indoors
- Dec 25 – Jan 8
- Transplant outdoors
- Feb 5 – Feb 19
- Sow outdoors
- Jan 29 – Feb 19
- Sow for fall
- Sep 1 – Sep 15
Brussels sproutshardy
Next: start indoors from Dec 25
- Start indoors
- Dec 25 – Jan 8
- Sow outdoors
- Jan 29 – Jan 29
- Sow for fall
- Sep 1 – Sep 15
Marigoldtender
Next: start indoors from Dec 25
- Start indoors
- Dec 25 – Dec 25
- Transplant outdoors
- Feb 19 – Feb 19
Calendulahalf hardy
Next: start indoors from Dec 25
- Start indoors
- Dec 25 – Jan 8
- Sow outdoors
- Feb 12 – Feb 19
Mexican sunflowertender
Next: start indoors from Dec 25
- Start indoors
- Dec 25 – Jan 8
- Sow outdoors
- Feb 19 – Feb 19
January
The next window opens in January.
Leaf lettucehardy
Next: sow outdoors from Jan 8
- Transplant outdoors
- Jan 22 – Feb 5
- Sow outdoors
- Jan 8 – Feb 5
Head lettucehardy
Next: sow outdoors from Jan 8
- Transplant outdoors
- Jan 22 – Feb 5
- Sow outdoors
- Jan 8 – Feb 5
Zinniatender
Next: start indoors from Jan 8
- Start indoors
- Jan 8 – Jan 22
- Sow outdoors
- Feb 19 – Feb 19
Nasturtiumtender
Next: start indoors from Jan 8
- Start indoors
- Jan 8 – Jan 22
- Sow outdoors
- Feb 19 – Feb 19
Sunflowertender
Next: start indoors from Jan 8
- Start indoors
- Jan 8 – Jan 22
Cucumbertender
Next: start indoors from Jan 22
- Start indoors
- Jan 22 – Feb 5
- Sow outdoors
- Feb 19 – Feb 26
Summer squashtender
Next: start indoors from Jan 22
- Start indoors
- Jan 22 – Feb 5
- Sow outdoors
- Feb 19 – Feb 26
Winter squashtender
Next: start indoors from Jan 22
- Start indoors
- Jan 22 – Feb 5
- Sow outdoors
- Feb 26 – Mar 5
Watermelontender
Next: start indoors from Jan 22
- Start indoors
- Jan 22 – Feb 5
- Transplant outdoors
- Feb 26 – Mar 5
- Sow outdoors
- Feb 26 – Mar 5
Cantaloupetender
Next: start indoors from Jan 22
- Start indoors
- Jan 22 – Jan 29
- Sow outdoors
- Feb 26 – Mar 5
Peahardy
Next: sow outdoors from Jan 22
- Sow outdoors
- Jan 22 – Feb 5
Spinachhardy
Next: sow outdoors from Jan 22
- Sow outdoors
- Jan 22 – Feb 5
Kohlrabihardy
Next: sow outdoors from Jan 22
- Sow outdoors
- Jan 22 – Feb 5
- Sow for fall
- Sep 1 – Sep 15
Radishhardy
Next: sow outdoors from Jan 22
- Sow outdoors
- Jan 22 – Feb 5
Beethalf hardy
Next: sow outdoors from Jan 22
- Sow outdoors
- Jan 22 – Feb 19
Turniphardy
Next: sow outdoors from Jan 22
- Sow outdoors
- Jan 22 – Feb 5
Bulb onionhardy
Next: sow outdoors from Jan 22
- Sow outdoors
- Jan 22 – Feb 5
Green onionhardy
Next: sow outdoors from Jan 22
- Sow outdoors
- Jan 22 – Feb 5
Kalehardy
Next: sow outdoors from Jan 29
- Sow outdoors
- Jan 29 – Jan 29
- Sow for fall
- Sep 1 – Sep 15
Collardshardy
Next: sow outdoors from Jan 29
- Sow outdoors
- Jan 29 – Jan 29
- Sow for fall
- Sep 1 – Sep 15
February
The next window opens in February.
Swiss chardhalf hardy
Next: sow outdoors from Feb 5
- Sow outdoors
- Feb 5 – Feb 19
Carrothalf hardy
Next: sow outdoors from Feb 5
- Sow outdoors
- Feb 5 – Feb 19
Potatohalf hardy
Next: sow outdoors from Feb 5
- Sow outdoors
- Feb 5 – Feb 19
Parsniphalf hardy
Next: sow outdoors from Feb 5
- Sow outdoors
- Feb 5 – Feb 19
Dillhalf hardy
Next: sow outdoors from Feb 5
- Sow outdoors
- Feb 5 – Feb 12
Bush beantender
Next: sow outdoors from Feb 19
- Sow outdoors
- Feb 19 – Feb 19
Pole beantender
Next: sow outdoors from Feb 19
- Sow outdoors
- Feb 19 – Feb 19
Sweet corntender
Next: sow outdoors from Feb 19
- Sow outdoors
- Feb 19 – Feb 19
Basiltender
Next: sow outdoors from Feb 19
- Sow outdoors
- Feb 19 – Feb 19
Marjoramtender
Next: transplant outdoors from Feb 19
- Transplant outdoors
- Feb 19 – Feb 19
Pumpkintender
Next: sow outdoors from Feb 26
- Sow outdoors
- Feb 26 – Mar 5
March
The next window opens in March.
Lima beantender
Next: sow outdoors from Mar 5
- Sow outdoors
- Mar 5 – Mar 5
October
The next window opens in October.
Sweet alyssumhardy
Next: sow for fall from Oct 13
- Sow for fall
- Oct 13 – Oct 13
No window listed
No frost-based window for these crops.
Mustard greenshalf hardy
No frost-based window listed.
No frost-based sowing window is listed for mustard greens.
Crop guidance from university extension services; see each crop page for sources.
Questions
- When is the last frost in Las Vegas?
- The typical last spring frost (32°F) in Las Vegas is Jan 24. In 1 out of 10 years that freeze, a frost still comes after Feb 19.
- When is the first frost in Las Vegas?
- The typical first fall frost is Dec 10. In 1 out of 10 years that freeze, it arrives before Nov 24.
- When should I start tomato seeds in Las Vegas?
- Start tomato seeds indoors between Dec 25 and Jan 8, counting back from the safer last-frost date.
- What planting zone is Las Vegas in?
- Las Vegas is in USDA hardiness zone 9a on the 2023 map, going by ZIP 89129, the ZIP nearest the city center. Zones can vary within a city. The zone describes how cold winter nights get, not when to plant; for that, use the frost dates on this page.
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