When to plant in Whitney, NV
USDA Zone 9bHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Whitney, Nevada — all computed from Whitney's nearest NOAA weather station.
A generous ~329-day season lets Whitney gardeners direct-sow more and still ripen long-maturity crops like melons and winter squash. In zone 9b, frost is a minor factor for Whitney — most perennials thrive, and annual vegetables can go out early and stay late.
The average last spring frost in Whitney is now 9 days earlier than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
LAS VEGAS MCCARRAN AP · 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 Whitney’s own odds, recorded at LAS VEGAS MCCARRAN AP.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Mar 4 | Feb 11 | Jan 19 | Nov 18 | Dec 3 | Dec 17 |
| 32°F | Feb 14 | Jan 20 | Dec 20 | Nov 28 | Dec 15 | Jan 7 |
| 28°F | Jan 29 | Dec 31 | Dec 10 | Dec 6 | Dec 26 | Jan 22 |
Download this table as CSV ↓ — every threshold and probability, plus this city’s planting-window dates.
What to plant now
TODAY · JULY 19Nothing new to sow or transplant outdoors in the next few weeks — a seasonal lull. Check the full-year calendar below for the next window.
Full-year planting calendar
Each bar is the exact window to take a planting action in Whitney, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 16 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.
Whitney planting FAQ
When is the last spring frost in Whitney, NV?
Plan for the last spring frost in Whitney around January 20 (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 Whitney, NV?
The first fall frost in Whitney typically arrives around December 15 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.
What hardiness zone is Whitney in?
Whitney is in USDA hardiness zone 9b. In zone 9b, winters are mild — many tender perennials overwinter here.
How long is the growing season in Whitney?
Whitney has about 329 frost-free days — a long growing season — between the average last spring frost (January 20) and first fall frost (December 15).
When should I plant tomatoes in Whitney?
For Whitney, sow tomatoes indoors about November 25–December 9 and move the seedlings out around January 27, after the last spring frost.
Never miss a window in Whitney
An email when it’s time to start seeds, transplant, and sow — timed to Whitney’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Sunrise Manor · 9 km
- Paradise · 9 km
- Winchester · 10 km
- Henderson · 10 km
- Enterprise · 20 km
- Spring Valley · 20 km
- North Las Vegas · 22 km
- Las Vegas · 25 km
Frost dates recorded at LAS VEGAS MCCARRAN AP, 12 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 Whitney, NV — Frost Dates & Zone 9b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00023169. Retrieved from https://blissgarden.com/nevada/whitney.