When to plant in Yucca Valley, CA
USDA Zone 9aEverything below — frost dates, hardiness zone, and what to plant when in Yucca Valley, California — is derived from the closest NOAA station with complete climate normals.
A generous ~259-day season lets Yucca Valley gardeners direct-sow more and still ripen long-maturity crops like melons and winter squash. In zone 9a, frost is a minor factor for Yucca Valley — most perennials thrive, and annual vegetables can go out early and stay late.
Frost probability
YUCCA VALLEY · 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 Yucca Valley’s own odds, recorded at YUCCA VALLEY.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Apr 24 | Mar 31 | Mar 11 | Oct 25 | Nov 15 | Nov 30 |
| 32°F | Apr 1 | Mar 14 | Feb 8 | Nov 10 | Nov 28 | Dec 12 |
| 28°F | Mar 19 | Feb 7 | Dec 26 | Nov 22 | Dec 8 | Dec 25 |
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 Yucca Valley, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 14 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.
Yucca Valley planting FAQ
When is the last spring frost in Yucca Valley, CA?
On average, the last spring frost in Yucca Valley is around March 14 (50% probability at 32°F, from 1991–2020 NOAA normals). Wait until after this date to set out tender plants like tomatoes and peppers.
When is the first fall frost in Yucca Valley, CA?
The first fall frost in Yucca Valley typically arrives around November 28 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.
What hardiness zone is Yucca Valley in?
Yucca Valley is in USDA hardiness zone 9a. In zone 9a, winters are mild — many tender perennials overwinter here.
How long is the growing season in Yucca Valley?
Yucca Valley has about 259 frost-free days — a long growing season — between the average last spring frost (March 14) and first fall frost (November 28).
When should I plant tomatoes in Yucca Valley?
For Yucca Valley, sow tomatoes indoors about January 17–January 31 and move the seedlings out around March 21, after the last spring frost.
Never miss a window in Yucca Valley
An email when it’s time to start seeds, transplant, and sow — timed to Yucca Valley’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Desert Hot Springs · 22 km
- Cathedral City · 32 km
- Twentynine Palms · 33 km
- Palm Springs · 37 km
- Big Bear City · 37 km
- Rancho Mirage · 40 km
- Palm Desert · 43 km
- Indio · 47 km
Frost dates recorded at YUCCA VALLEY, 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 Yucca Valley, CA — Frost Dates & Zone 9a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00049888. Retrieved from https://blissgarden.com/california/yucca-valley.