When to plant in Eastvale, CA
USDA Zone 10aEverything below — frost dates, hardiness zone, and what to plant when in Eastvale, California — is derived from the closest NOAA station with complete climate normals.
Eastvale enjoys a long ~336-day frost-free season — you can succession-sow, fit in a second crop, and grow long-season heat-lovers with room to spare. In zone 10a, frost is a minor factor for Eastvale — most perennials thrive, and annual vegetables can go out early and stay late.
The average last spring frost in Eastvale is now 19 days earlier than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
CHINO 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 Eastvale’s own odds, recorded at CHINO AP.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Mar 29 | Feb 24 | Jan 21 | Nov 12 | Dec 1 | Dec 18 |
| 32°F | Feb 22 | Jan 17 | Dec 18 | Nov 27 | Dec 19 | Jan 17 |
| 28°F | Jan 28 | Jan 3 | Dec 11 | Dec 7 | Dec 30 | Jan 23 |
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 Eastvale, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 13 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.
Eastvale planting FAQ
When is the last spring frost in Eastvale, CA?
Plan for the last spring frost in Eastvale around January 17 (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 Eastvale, CA?
Expect Eastvale's first fall frost near December 19 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Eastvale in?
Eastvale is in USDA hardiness zone 10a. In zone 10a, winters are mild — many tender perennials overwinter here.
How long is the growing season in Eastvale?
Eastvale has about 336 frost-free days — a long growing season — between the average last spring frost (January 17) and first fall frost (December 19).
When should I plant tomatoes in Eastvale?
For Eastvale, sow tomatoes indoors about November 22–December 6 and move the seedlings out around January 24, after the last spring frost.
Never miss a window in Eastvale
An email when it’s time to start seeds, transplant, and sow — timed to Eastvale’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Norco · 5 km
- Chino · 8 km
- Ontario · 8 km
- Corona · 11 km
- Jurupa Valley · 11 km
- Home Gardens · 11 km
- Chino Hills · 13 km
- Montclair · 16 km
Frost dates recorded at CHINO AP, 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 Eastvale, CA — Frost Dates & Zone 10a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00003179. Retrieved from https://blissgarden.com/california/eastvale.