When to plant in West Sacramento, CA
USDA Zone 9bHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for West Sacramento, California — all computed from West Sacramento's nearest NOAA weather station.
A generous ~303-day season lets West Sacramento gardeners direct-sow more and still ripen long-maturity crops like melons and winter squash. Zone 9b is warm enough that West Sacramento can grow subtropical perennials, and the short (or absent) frost period barely limits the annual calendar.
The average last spring frost in West Sacramento is now 7 days earlier than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
SACRAMENTO EXECUTIVE 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 Sacramento’s own odds, recorded at SACRAMENTO EXECUTIVE AP.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Apr 10 | Mar 14 | Feb 13 | Nov 4 | Nov 18 | Dec 3 |
| 32°F | Mar 5 | Feb 2 | Jan 2 | Nov 16 | Dec 2 | Jan 2 |
| 28°F | Feb 1 | Jan 4 | Dec 12 | Nov 30 | Dec 16 | Jan 14 |
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 West Sacramento, 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.
West Sacramento planting FAQ
When is the last spring frost in West Sacramento, CA?
West Sacramento's average last spring frost falls near February 2 — the 50% mark at 32°F in the 1991–2020 normals. Hold tender transplants until the risk has passed, then plant out.
When is the first fall frost in West Sacramento, CA?
The first fall frost in West Sacramento typically arrives around December 2 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.
What hardiness zone is West Sacramento in?
West Sacramento is in USDA hardiness zone 9b. In zone 9b, winters are mild — many tender perennials overwinter here.
How long is the growing season in West Sacramento?
There are roughly 303 frost-free days in West Sacramento (a long growing season), running from the average last frost around February 2 to the first fall frost near December 2.
When should I plant tomatoes in West Sacramento?
In West Sacramento, start tomato seeds indoors around December 8–December 22, then transplant seedlings outdoors around February 9 once the danger of frost has passed.
Never miss a window in West Sacramento
An email when it’s time to start seeds, transplant, and sow — timed to West Sacramento’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Sacramento · 7 km
- Lemon Hill · 9 km
- Parkway · 10 km
- Florin · 15 km
- Arden-Arcade · 15 km
- Davis · 16 km
- Rosemont · 17 km
- La Riviera · 17 km
Frost dates recorded at SACRAMENTO EXECUTIVE AP, 7 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 Sacramento, CA — Frost Dates & Zone 9b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00023232. Retrieved from https://blissgarden.com/california/west-sacramento.