Sun Valley, NV frost dates
How Sun Valley compares
- In 8 years out of 10, the last spring frost in Sun Valley falls between April 9 and May 19, a 40-day window. The first fall frost falls between October 10 and November 10.
- The median last frost is 13 days earlier than the Nevada median of May 11.
- Its 182-day growing season is longer than 73% of the 84 Nevada places with a regular frost season (state median 149 days).
- The last frost is 23 days later than the zone 7b median of Apr 5. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 7b chart.
- The weather station records an average of 102 nights a year at or below 32°F.
- Compared with Sparks, NV, 4 km away, the last frost here is 3 days earlier than there and the growing season is 20 days longer.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 9 |
| 50% (median) | April 28 |
| 10% (safe for tender plants) | May 19 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 10 |
| 50% (median) | October 27 |
| 90% (late) | November 10 |
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 Sun Valley, NV
Sun Valley, NV frost dates — last frost Apr 28, first frost Oct 27, zone 7b. whenisthelastfrost.com
When to plant vegetables in Sun Valley, NV
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 3 – Feb 17 | Mar 31 – Apr 14 | — | — |
| Peppers | Feb 17 – Mar 3 | May 12 – May 26 | — | — |
| Eggplant | Feb 17 – Mar 3 | May 12 – May 26 | — | — |
| Tomatoes | Mar 3 – Mar 17 | May 5 – May 19 | — | — |
| Lettuce | Mar 3 – Mar 17 | Apr 7 – Apr 21 | Mar 31 – May 5 | Sep 1 – Sep 29 |
| Kale | Mar 3 – Mar 17 | Mar 31 – Apr 14 | Mar 31 – Apr 14 | Aug 18 – Sep 8 |
| Broccoli | Mar 3 – Mar 17 | Apr 14 – Apr 28 | — | Jul 21 – Aug 11 |
| Cabbage | Mar 3 – Mar 17 | Apr 7 – Apr 21 | — | Jul 21 – Aug 11 |
| Cauliflower | Mar 3 – Mar 17 | Apr 14 – Apr 28 | — | Jul 21 – Aug 11 |
| Okra | Mar 17 – Mar 31 | May 19 – Jun 2 | May 19 – Jun 2 | — |
| Basil | Mar 17 – Mar 31 | May 5 – May 19 | — | — |
| Peas | — | — | Mar 17 – Apr 7 | Aug 4 – Aug 25 |
| Spinach | — | — | Mar 17 – Apr 7 | Sep 1 – Sep 22 |
| Radishes | — | — | Mar 24 – May 5 | Sep 15 – Oct 6 |
| Cucumbers | Mar 31 – Apr 7 | May 12 – May 19 | May 5 – May 19 | Aug 11 – Aug 25 |
| Zucchini & Summer Squash | Mar 31 – Apr 7 | — | May 5 – May 19 | Aug 18 – Sep 1 |
| Winter Squash & Pumpkins | Mar 31 – Apr 7 | — | May 5 – May 19 | — |
| Melons & Watermelon | Mar 31 – Apr 7 | May 12 – May 26 | — | — |
| Carrots | — | — | Apr 7 – May 5 | Aug 4 – Aug 18 |
| Beets | — | — | Apr 7 – May 5 | Aug 18 – Sep 1 |
| Potatoes | — | — | Apr 7 – Apr 28 | — |
| Swiss Chard | — | — | Apr 14 – May 12 | Aug 18 – Sep 1 |
| Cilantro | — | — | Apr 14 – May 5 | Sep 1 – Sep 22 |
| Green Beans | — | — | May 5 – May 26 | Aug 11 – Aug 25 |
| Sweet Corn | — | — | May 5 – May 19 | — |
| Sweet Potatoes | — | May 12 – Jun 2 | — | — |
| Garlic | — | — | — | Oct 13 – Nov 17 |
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 Reno Wfo, NV weather station, 4 km away (elevation 4,987 ft (1,520 m)).
Frost dates near Sun Valley
- Sparks May 1 · Oct 10
- Reno Apr 28 · Oct 27
- Verdi May 9 · Oct 17
- Reno (Washoe) May 3 · Oct 10
- Virginia City May 12 · Oct 17
- Washoe Valley May 17 · Oct 13
- Silver City May 12 · Oct 17
- Incline Village May 17 · Oct 13
- Dayton May 12 · Oct 17
- Wadsworth May 9 · Oct 1
Frequently asked questions
When is the last frost in Sun Valley, NV?
The median last spring frost in Sun Valley, NV is April 28. There is still about a 10% chance of frost after May 19, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Sun Valley, NV?
The median first fall frost is October 27, with about a 10% chance of frost before October 10.
How long is the growing season in Sun Valley, NV?
About 182 days between the median last spring frost and first fall frost.
What planting zone is Sun Valley, NV?
Sun Valley, NV is in USDA hardiness zone 7b.