Frost dates for 89721 — Carson City, NV
How Carson City compares
- In 8 years out of 10, the last spring frost in Carson City falls between April 20 and May 29, a 39-day window. The first fall frost falls between September 24 and October 20.
- The median last frost is 7 days earlier than the Nevada median of May 11.
- Its 155-day growing season is longer than 54% of the 84 Nevada places with a regular frost season (state median 149 days).
- The last frost is 18 days later than the zone 7a median of Apr 16. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 7a chart.
- The weather station records an average of 146 nights a year at or below 32°F.
- Compared with Reno, NV, 40 km away, the last frost here is 6 days later than there and the growing season is 27 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 20 |
| 50% (median) | May 4 |
| 10% (safe for tender plants) | May 29 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 24 |
| 50% (median) | October 6 |
| 90% (late) | October 20 |
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 Carson City, NV
Frost dates for 89721 — Carson City, NV — last frost May 4, first frost Oct 6, zone 7a. whenisthelastfrost.com
When to plant vegetables in Carson City, NV
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 9 – Feb 23 | Apr 6 – Apr 20 | — | — |
| Peppers | Feb 23 – Mar 9 | May 18 – Jun 1 | — | — |
| Eggplant | Feb 23 – Mar 9 | May 18 – Jun 1 | — | — |
| Tomatoes | Mar 9 – Mar 23 | May 11 – May 25 | — | — |
| Lettuce | Mar 9 – Mar 23 | Apr 13 – Apr 27 | Apr 6 – May 11 | Aug 11 – Sep 8 |
| Kale | Mar 9 – Mar 23 | Apr 6 – Apr 20 | Apr 6 – Apr 20 | Jul 28 – Aug 18 |
| Broccoli | Mar 9 – Mar 23 | Apr 20 – May 4 | — | Jun 30 – Jul 21 |
| Cabbage | Mar 9 – Mar 23 | Apr 13 – Apr 27 | — | Jun 30 – Jul 21 |
| Cauliflower | Mar 9 – Mar 23 | Apr 20 – May 4 | — | Jun 30 – Jul 21 |
| Okra | Mar 23 – Apr 6 | May 25 – Jun 8 | May 25 – Jun 8 | — |
| Basil | Mar 23 – Apr 6 | May 11 – May 25 | — | — |
| Peas | — | — | Mar 23 – Apr 13 | Jul 14 – Aug 4 |
| Spinach | — | — | Mar 23 – Apr 13 | Aug 11 – Sep 1 |
| Radishes | — | — | Mar 30 – May 11 | Aug 25 – Sep 15 |
| Cucumbers | Apr 6 – Apr 13 | May 18 – May 25 | May 11 – May 25 | Jul 21 – Aug 4 |
| Zucchini & Summer Squash | Apr 6 – Apr 13 | — | May 11 – May 25 | Jul 28 – Aug 11 |
| Winter Squash & Pumpkins | Apr 6 – Apr 13 | — | May 11 – May 25 | — |
| Melons & Watermelon | Apr 6 – Apr 13 | May 18 – Jun 1 | — | — |
| Carrots | — | — | Apr 13 – May 11 | Jul 14 – Jul 28 |
| Beets | — | — | Apr 13 – May 11 | Jul 28 – Aug 11 |
| Potatoes | — | — | Apr 13 – May 4 | — |
| Swiss Chard | — | — | Apr 20 – May 18 | Jul 28 – Aug 11 |
| Cilantro | — | — | Apr 20 – May 11 | Aug 11 – Sep 1 |
| Green Beans | — | — | May 11 – Jun 1 | Jul 21 – Aug 4 |
| Sweet Corn | — | — | May 11 – May 25 | — |
| Sweet Potatoes | — | May 18 – Jun 8 | — | — |
| Garlic | — | — | — | Sep 22 – Oct 27 |
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 Carson City, NV weather station, 5 km away (elevation 4,760 ft (1,451 m)).
ZIP codes in Carson City: 89701 89702 89703 89705 89706 89711 89712 89713 89714 89721
Frost dates near Carson City
- Washoe Valley May 17 · Oct 13
- Genoa Jun 7 · Sep 28
- Silver City May 12 · Oct 17
- Minden May 30 · Sep 26
- Virginia City May 12 · Oct 17
- Incline Village May 17 · Oct 13
- Glenbrook Jun 5 · Oct 9
- Zephyr Cove Jun 7 · Sep 28
Frequently asked questions
When is the last frost in Carson City, NV?
The median last spring frost in Carson City, NV is May 4. There is still about a 10% chance of frost after May 29, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Carson City, NV?
The median first fall frost is October 6, with about a 10% chance of frost before September 24.
How long is the growing season in Carson City, NV?
About 155 days between the median last spring frost and first fall frost.
What planting zone is Carson City, NV?
Carson City, NV is in USDA hardiness zone 7a.