When to plant in West Rancho Dominguez, CA
USDA Zone 10bEverything below — frost dates, hardiness zone, and what to plant when in West Rancho Dominguez, California — is derived from the closest NOAA station with complete climate normals.
A ~-4-day frost-free window makes West Rancho Dominguez a short-season garden: choose early varieties and start long-season crops indoors well ahead of the last frost. Zone 10b is warm enough that West Rancho Dominguez can grow subtropical perennials, and the short (or absent) frost period barely limits the annual calendar.
Frost probability
TORRANCE 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 West Rancho Dominguez’s own odds, recorded at TORRANCE AP.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Mar 5 | Jan 17 | Dec 12 | Dec 1 | Dec 31 | Feb 20 |
| 32°F | Feb 24 | Jan 9 | Dec 4 | Dec 3 | Jan 5 | Feb 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 West Rancho Dominguez, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 29 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.
West Rancho Dominguez planting FAQ
When is the last spring frost in West Rancho Dominguez, CA?
Plan for the last spring frost in West Rancho Dominguez 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 West Rancho Dominguez, CA?
In West Rancho Dominguez, the first 32°F freeze of fall lands around January 5 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is West Rancho Dominguez in?
West Rancho Dominguez is in USDA hardiness zone 10b. In zone 10b, winters are mild — many tender perennials overwinter here.
How long is the growing season in West Rancho Dominguez?
There are roughly -4 frost-free days in West Rancho Dominguez (a short growing season), running from the average last frost around January 9 to the first fall frost near January 5.
When should I plant tomatoes in West Rancho Dominguez?
In West Rancho Dominguez, start tomato seeds indoors around November 14–November 28, then transplant seedlings outdoors around January 16 once the danger of frost has passed.
Never miss a window in West Rancho Dominguez
An email when it’s time to start seeds, transplant, and sow — timed to West Rancho Dominguez’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Willowbrook · 3 km
- Gardena · 4 km
- Compton · 4 km
- Westmont · 5 km
- Lynwood · 6 km
- East Rancho Dominguez · 7 km
- Carson · 7 km
- Florence-Graham · 7 km
Frost dates recorded at TORRANCE AP, 13 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 West Rancho Dominguez, CA — Frost Dates & Zone 10b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00003122. Retrieved from https://blissgarden.com/california/west-rancho-dominguez.