When to plant in Valle Vista, CA
USDA Zone 9bEverything below — frost dates, hardiness zone, and what to plant when in Valle Vista, California — is derived from the closest NOAA station with complete climate normals.
With about 347 frost-free days, Valle Vista supports back-to-back plantings; stagger sowings every few weeks to keep beds productive spring through fall. In zone 9b, frost is a minor factor for Valle Vista — most perennials thrive, and annual vegetables can go out early and stay late.
The average last spring frost in Valle Vista is now 53 days earlier than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
HEMET · 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 Valle Vista’s own odds, recorded at HEMET.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Apr 6 | Feb 21 | Jan 5 | Nov 14 | Dec 9 | Jan 5 |
| 32°F | Feb 25 | Jan 10 | Dec 14 | Nov 27 | Dec 23 | Jan 31 |
| 28°F | Jan 30 | Dec 27 | Dec 3 | Dec 3 | Dec 25 | Jan 16 |
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 Valle Vista, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 17 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.
Valle Vista planting FAQ
When is the last spring frost in Valle Vista, CA?
On average, the last spring frost in Valle Vista is around January 10 (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 Valle Vista, CA?
The first fall frost in Valle Vista typically arrives around December 23 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.
What hardiness zone is Valle Vista in?
Valle Vista is in USDA hardiness zone 9b. In zone 9b, winters are mild — many tender perennials overwinter here.
How long is the growing season in Valle Vista?
Valle Vista has about 347 frost-free days — a long growing season — between the average last spring frost (January 10) and first fall frost (December 23).
When should I plant tomatoes in Valle Vista?
For Valle Vista, sow tomatoes indoors about November 15–November 29 and move the seedlings out around January 17, after the last spring frost.
Never miss a window in Valle Vista
An email when it’s time to start seeds, transplant, and sow — timed to Valle Vista’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- East Hemet · 5 km
- Hemet · 10 km
- San Jacinto · 12 km
- Beaumont · 16 km
- Banning · 23 km
- French Valley · 26 km
- Menifee · 28 km
- Calimesa · 31 km
Frost dates recorded at HEMET, 1 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 Valle Vista, CA — Frost Dates & Zone 9b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00043896. Retrieved from https://blissgarden.com/california/valle-vista.