Mercury, NV frost dates
How Mercury compares
- In 8 years out of 10, the last spring frost in Mercury falls between February 17 and April 8, a 50-day window. The first fall frost falls between November 1 and December 2.
- The median last frost is 62 days earlier than the Nevada median of May 11.
- Its 254-day growing season is longer than 93% of the 84 Nevada places with a regular frost season (state median 149 days).
- The last frost is 6 days earlier than the zone 8b median of Mar 16. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 8b chart.
- The weather station records an average of 47 nights a year at or below 32°F.
- Nearby North Las Vegas, NV, 89 km away, gets only light, occasional frost, a reminder of how much elevation and distance from the coast matter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | February 17 |
| 50% (median) | March 10 |
| 10% (safe for tender plants) | April 8 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | November 1 |
| 50% (median) | November 19 |
| 90% (late) | December 2 |
Frost here means 32°F (0°C). A median date means half of years have their last frost earlier and half later.
Planting calendar for Mercury, NV
Mercury, NV frost dates — last frost Mar 10, first frost Nov 19, zone 8b. whenisthelastfrost.com
When to plant vegetables in Mercury, NV
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Dec 16 – Dec 30 | Feb 10 – Feb 24 | — | — |
| Peppers | Dec 30 – Jan 13 | Mar 24 – Apr 7 | — | — |
| Eggplant | Dec 30 – Jan 13 | Mar 24 – Apr 7 | — | — |
| Tomatoes | Jan 13 – Jan 27 | Mar 17 – Mar 31 | — | — |
| Lettuce | Jan 13 – Jan 27 | Feb 17 – Mar 3 | Feb 10 – Mar 17 | Sep 24 – Oct 22 |
| Kale | Jan 13 – Jan 27 | Feb 10 – Feb 24 | Feb 10 – Feb 24 | Sep 10 – Oct 1 |
| Broccoli | Jan 13 – Jan 27 | Feb 24 – Mar 10 | — | Aug 13 – Sep 3 |
| Cabbage | Jan 13 – Jan 27 | Feb 17 – Mar 3 | — | Aug 13 – Sep 3 |
| Cauliflower | Jan 13 – Jan 27 | Feb 24 – Mar 10 | — | Aug 13 – Sep 3 |
| Okra | Jan 27 – Feb 10 | Mar 31 – Apr 14 | Mar 31 – Apr 14 | — |
| Basil | Jan 27 – Feb 10 | Mar 17 – Mar 31 | — | — |
| Peas | — | — | Jan 27 – Feb 17 | Aug 27 – Sep 17 |
| Spinach | — | — | Jan 27 – Feb 17 | Sep 24 – Oct 15 |
| Radishes | — | — | Feb 3 – Mar 17 | Oct 8 – Oct 29 |
| Cucumbers | Feb 10 – Feb 17 | Mar 24 – Mar 31 | Mar 17 – Mar 31 | Sep 3 – Sep 17 |
| Zucchini & Summer Squash | Feb 10 – Feb 17 | — | Mar 17 – Mar 31 | Sep 10 – Sep 24 |
| Winter Squash & Pumpkins | Feb 10 – Feb 17 | — | Mar 17 – Mar 31 | — |
| Melons & Watermelon | Feb 10 – Feb 17 | Mar 24 – Apr 7 | — | — |
| Carrots | — | — | Feb 17 – Mar 17 | Aug 27 – Sep 10 |
| Beets | — | — | Feb 17 – Mar 17 | Sep 10 – Sep 24 |
| Potatoes | — | — | Feb 17 – Mar 10 | — |
| Swiss Chard | — | — | Feb 24 – Mar 24 | Sep 10 – Sep 24 |
| Cilantro | — | — | Feb 24 – Mar 17 | Sep 24 – Oct 15 |
| Green Beans | — | — | Mar 17 – Apr 7 | Sep 3 – Sep 17 |
| Sweet Corn | — | — | Mar 17 – Mar 31 | — |
| Sweet Potatoes | — | Mar 24 – Apr 14 | — | — |
| Garlic | — | — | — | Nov 5 – Dec 10 |
Dates come from the median frost dates and common extension-service timing. Adjust for your soil temperature, microclimate and the varieties you grow.
About these dates
Based on 1991–2020 NOAA climate normals for the Mercury 3 Ssw, NV weather station, 5 km away (elevation 3,284 ft (1,001 m)).
Frost dates near Mercury
- Indian Springs Mar 22 · Nov 7
- Amargosa Valley Mar 15 · Nov 13
- Pahrump Mar 29 · Nov 3
- Beatty Apr 12 · Nov 3
- Blue Diamond Mar 13 · Nov 15
- North Las Vegas Feb 1 · Dec 8
- Las Vegas Jan 24 · Dec 10
- The Lakes (Clark) Jan 24 · Dec 10
- Alamo Apr 3 · Oct 31
- Nellis Afb Feb 1 · Dec 8
Frequently asked questions
When is the last frost in Mercury, NV?
The median last spring frost in Mercury, NV is March 10. There is still about a 10% chance of frost after April 8, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Mercury, NV?
The median first fall frost is November 19, with about a 10% chance of frost before November 1.
How long is the growing season in Mercury, NV?
About 254 days between the median last spring frost and first fall frost.
What planting zone is Mercury, NV?
Mercury, NV is in USDA hardiness zone 8b.