When to plant in Home Gardens, CA
USDA Zone 10aEverything below — frost dates, hardiness zone, and what to plant when in Home Gardens, California — is derived from the closest NOAA station with complete climate normals.
With about 355 frost-free days, Home Gardens supports back-to-back plantings; stagger sowings every few weeks to keep beds productive spring through fall. In zone 10a, frost is a minor factor for Home Gardens — most perennials thrive, and annual vegetables can go out early and stay late.
The average last spring frost in Home Gardens is now 5 days earlier than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
RIVERSIDE MUNI 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 Home Gardens’s own odds, recorded at RIVERSIDE MUNI AP.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Mar 13 | Feb 13 | Jan 2 | Nov 23 | Dec 12 | Jan 9 |
| 32°F | Feb 21 | Jan 9 | Dec 16 | Dec 5 | Dec 30 | Feb 6 |
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 Home Gardens, 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.
Home Gardens planting FAQ
When is the last spring frost in Home Gardens, CA?
Plan for the last spring frost in Home Gardens around January 9 (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 Home Gardens, CA?
The first fall frost in Home Gardens typically arrives around December 30 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.
What hardiness zone is Home Gardens in?
Home Gardens is in USDA hardiness zone 10a. In zone 10a, winters are mild — many tender perennials overwinter here.
How long is the growing season in Home Gardens?
Home Gardens has about 355 frost-free days — a long growing season — between the average last spring frost (January 9) and first fall frost (December 30).
When should I plant tomatoes in Home Gardens?
For Home Gardens, sow tomatoes indoors about November 14–November 28 and move the seedlings out around January 16, after the last spring frost.
Never miss a window in Home Gardens
An email when it’s time to start seeds, transplant, and sow — timed to Home Gardens’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Corona · 5 km
- Norco · 6 km
- Eastvale · 11 km
- Riverside · 13 km
- Woodcrest · 13 km
- Temescal Valley · 14 km
- Jurupa Valley · 14 km
- Chino · 18 km
Frost dates recorded at RIVERSIDE MUNI AP, 11 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 Home Gardens, CA — Frost Dates & Zone 10a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00003171. Retrieved from https://blissgarden.com/california/home-gardens.