Las Vegas, NV planting zone & frost dates
Las Vegas is in USDA hardiness zone 9b. The last spring frost usually comes around January 24 and the first fall frost around December 10, for a growing season of about 323 days.
Planting calendar for Las Vegas
Dates are counted from the average last spring frost (January 24) using the typical timing recommended by U.S. extension services. Warm-season crops go out only after the danger of frost has passed and the soil has warmed.
| Crop | When |
|---|---|
| Tomatoes | Start seeds indoors: Nov 29 – Dec 13 Transplant outdoors: Jan 31 – Feb 7 |
| Peppers | Start seeds indoors: Nov 15 – Nov 29 Transplant outdoors: Feb 7 – Feb 14 |
| Eggplant | Start seeds indoors: Nov 15 – Nov 29 Transplant outdoors: Feb 7 – Feb 14 |
| Broccoli | Start seeds indoors: Nov 15 – Nov 29 Transplant outdoors: Dec 27 – Jan 10 |
| Cabbage | Start seeds indoors: Nov 15 – Nov 29 Transplant outdoors: Dec 27 – Jan 10 |
| Onions (sets) | Plant outdoors: Dec 27 – Jan 10 |
| Peas | Sow outdoors: Dec 13 – Dec 27 |
| Spinach | Sow outdoors: Dec 13 – Dec 27 |
| Lettuce | Sow outdoors: Dec 27 – Jan 10 |
| Carrots | Sow outdoors: Dec 27 – Jan 10 |
| Potatoes | Plant outdoors: Dec 27 – Jan 10 |
| Beans | Sow outdoors: Jan 31 – Feb 7 |
| Sweet corn | Sow outdoors: Jan 31 – Feb 7 |
| Cucumbers | Sow outdoors: Jan 31 – Feb 7 |
| Squash & zucchini | Sow outdoors: Jan 31 – Feb 7 |
| Basil | Start seeds indoors: Dec 13 – Dec 27 Transplant outdoors: Jan 31 – Feb 7 |
Fall garden: cool-season crops like lettuce, spinach and kale can be sown again around Oct 15 (8 weeks before the average first fall frost on Dec 10).
Useful for zone 9b gardens
- Seed starting kit with dome — to start seeds indoors before the last frost
- LED grow light for seedlings — stops leggy seedlings
- Frost cloth / plant covers — for late spring and early fall frosts
- Soil thermometer — warm-season crops need soil above 60°F
- Shade cloth — for hot summers
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Frost risk in detail
| 90% chance | 50% chance | 10% chance | |
|---|---|---|---|
| Last 32°F frost in spring is after | Dec 27 | Jan 24 | Feb 19 |
| First 32°F frost in fall is before | Dec 29 | Dec 10 | Nov 24 |
How to read it: in spring there is a 10% chance of a frost after February 19, so that is a safe date for tender plants. In fall there is a 10% chance of frost before November 24. A hard freeze (28°F) usually ends around January 2.
Hardiness zone by ZIP code in Las Vegas
- 89101 zone 9b
- 89102 zone 9b
- 89103 zone 9a
- 89104 zone 9b
- 89105 zone 9b
- 89106 zone 9b
- 89107 zone 9b
- 89108 zone 9b
- 89109 zone 9b
- 89110 zone 9b
- 89111 zone 9b
- 89112 zone 9b
- 89113 zone 9a
- 89114 zone 9b
- 89115 zone 9a
- 89116 zone 9b
- 89117 zone 9a
- 89118 zone 9a
- 89119 zone 9b
- 89120 zone 9b
- 89121 zone 9b
- 89122 zone 9b
- 89123 zone 9b
- 89124 zone 8b
- 89125 zone 9b
- 89126 zone 9b
- 89127 zone 9b
- 89128 zone 9a
- 89129 zone 9a
- 89130 zone 9a
- 89131 zone 9a
- 89132 zone 9b
- 89133 zone 9a
- 89134 zone 9a
- 89135 zone 9a
- 89136 zone 9a
- 89137 zone 9a
- 89138 zone 8b
- 89139 zone 9a
- 89140 zone 9a
- 89141 zone 9a
- 89142 zone 9b
- 89143 zone 9a
- 89144 zone 9a
- 89145 zone 9a
- 89146 zone 9a
- 89147 zone 9a
- 89148 zone 9a
- 89149 zone 9a
- 89150 zone 9a
- 89151 zone 9a
- 89152 zone 9b
- 89153 zone 9b
- 89155 zone 9b
- 89156 zone 9b
- 89157 zone 9b
- 89158 zone 9b
- 89159 zone 9b
- 89160 zone 9b
- 89161 zone 8b
- 89162 zone 9b
- 89164 zone 9a
- 89166 zone 8b
- 89169 zone 9b
- 89170 zone 9b
- 89173 zone 9a
- 89177 zone 9b
- 89178 zone 9a
- 89179 zone 9a
- 89180 zone 9a
- 89183 zone 9a
- 89185 zone 9b
- 89193 zone 9b
- 89195 zone 9b
- 89199 zone 9b
Nearby cities
- North Las Vegas zone 9b, last frost Feb 1
- Winchester zone 9b, last frost Jan 20
- Sunrise Manor zone 9b, last frost Feb 1
- Paradise zone 9b, last frost Jan 20
- Whitney zone 9b, last frost Jan 20
- Spring Valley zone 9a, last frost Jan 20
- Enterprise zone 9a, last frost Feb 4
- Summerlin South zone 9a, last frost Mar 13
Questions
What growing zone is Las Vegas, NV?
Las Vegas is in USDA Plant Hardiness Zone 9b (average extreme winter low 25°F to 30°F), according to the USDA 2023 map. Some ZIP codes of the city fall in zones 8b, 9a.
When is the last frost in Las Vegas?
The average last spring frost (32°F) in Las Vegas is January 24. There is still a 10% chance of frost until February 19.
When can I plant tomatoes in Las Vegas?
Transplant tomatoes outdoors 1–2 weeks after the average last frost: around Jan 31 – Feb 7. Start seeds indoors 6–8 weeks before the last frost.
Frost dates: NOAA U.S. Climate Normals 1991–2020, station Las Vegas Air Terminal, NV (USW00053123), 6.7 km (4.2 mi) from the city center, elevation 672 m, based on 19 years of records. Hardiness zone: USDA Plant Hardiness Zone Map 2023 for the ZIP code nearest to the city center. Microclimates (valleys, hills, cities, coasts) can be warmer or colder: check the local forecast before planting. How we calculate the data.