When to plant in Sun Valley, NV
USDA Zone 7bHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Sun Valley, Nevada — all computed from Sun Valley's nearest NOAA weather station.
Zone 7b means many perennials and even some tender shrubs overwinter in Sun Valley, while your frost dates still decide when annuals go out.
The average first fall frost in Sun Valley is now 5 days later than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
RENO WFO · 1991–2020The date the last spring and first fall frost occur, by threshold and probability. A 90% date is later in spring — and earlier in fall — than a 10% date; the 50% · 32°F row is what most gardeners plan around. These are Sun Valley’s own odds, recorded at RENO WFO.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Jun 5 | May 14 | Apr 25 | Sep 28 | Oct 15 | Nov 1 |
| 32°F | May 19 | Apr 28 | Apr 9 | Oct 10 | Oct 27 | Nov 10 |
| 28°F | May 2 | Apr 10 | Mar 18 | Oct 23 | Nov 8 | Nov 23 |
Download this table as CSV ↓ — every threshold and probability, plus this city’s planting-window dates.
What to plant now
TODAY · JULY 19Full-year planting calendar
Each bar is the exact window to take a planting action in Sun Valley, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 7 km · complete 32°F normalsWhen stations disagree by more than a few days, that spread is real microclimate variation — elevation, water, urban heat. Judge which station best matches your own yard.
Sun Valley planting FAQ
When is the last spring frost in Sun Valley, NV?
Plan for the last spring frost in Sun Valley around April 28 (the date it has a 50% chance of a 32°F freeze). Anything frost-sensitive should go out after it.
When is the first fall frost in Sun Valley, NV?
Expect Sun Valley's first fall frost near October 27 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Sun Valley in?
Sun Valley is in USDA hardiness zone 7b. In zone 7b, winters are moderate — most common vegetables grow well in season.
How long is the growing season in Sun Valley?
There are roughly 182 frost-free days in Sun Valley (a moderate growing season), running from the average last frost around April 28 to the first fall frost near October 27.
When should I plant tomatoes in Sun Valley?
In Sun Valley, start tomato seeds indoors around March 3–March 17, then transplant seedlings outdoors around May 5 once the danger of frost has passed.
Never miss a window in Sun Valley
An email when it’s time to start seeds, transplant, and sow — timed to Sun Valley’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Sparks · 7 km
- Reno · 9 km
- Spanish Springs · 11 km
- Cold Springs · 19 km
- Dayton · 43 km
- Truckee · 46 km
- Fernley · 51 km
- Carson · 51 km
Frost dates recorded at RENO WFO, 5 km from the city center · 1991–2020 NOAA climate normals · zone from the USDA/PRISM 2023 map. How we compute this.
BlissGarden. "When to Plant in Sun Valley, NV — Frost Dates & Zone 7b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00266791. Retrieved from https://blissgarden.com/nevada/sun-valley.