When to plant in Sparks, NV
USDA Zone 7aEverything below — frost dates, hardiness zone, and what to plant when in Sparks, Nevada — is derived from the closest NOAA station with complete climate normals.
Zone 7a means many perennials and even some tender shrubs overwinter in Sparks, while your frost dates still decide when annuals go out.
The average last spring frost in Sparks is now 9 days earlier than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
SPARKS · 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 Sparks’s own odds, recorded at SPARKS.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Jun 9 | May 23 | May 4 | Sep 16 | Oct 1 | Oct 11 |
| 32°F | May 25 | May 1 | Apr 17 | Sep 29 | Oct 10 | Oct 24 |
| 28°F | May 2 | Apr 16 | Mar 30 | Oct 7 | Oct 23 | Nov 6 |
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 Sparks, 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.
Sparks planting FAQ
When is the last spring frost in Sparks, NV?
Sparks's average last spring frost falls near May 1 — the 50% mark at 32°F in the 1991–2020 normals. Hold tender transplants until the risk has passed, then plant out.
When is the first fall frost in Sparks, NV?
Expect Sparks's first fall frost near October 10 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Sparks in?
Sparks is in USDA hardiness zone 7a. In zone 7a, winters are moderate — most common vegetables grow well in season.
How long is the growing season in Sparks?
There are roughly 162 frost-free days in Sparks (a moderate growing season), running from the average last frost around May 1 to the first fall frost near October 10.
When should I plant tomatoes in Sparks?
In Sparks, start tomato seeds indoors around March 6–March 20, then transplant seedlings outdoors around May 8 once the danger of frost has passed.
Never miss a window in Sparks
An email when it’s time to start seeds, transplant, and sow — timed to Sparks’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Sun Valley · 7 km
- Spanish Springs · 10 km
- Reno · 12 km
- Cold Springs · 26 km
- Dayton · 37 km
- Fernley · 45 km
- Carson · 47 km
- Truckee · 48 km
Frost dates recorded at SPARKS, 3 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 Sparks, NV — Frost Dates & Zone 7a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00267697. Retrieved from https://blissgarden.com/nevada/sparks.