When to plant in Galt, CA
USDA Zone 9bHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Galt, California — all computed from Galt's nearest NOAA weather station.
Galt enjoys a long ~299-day frost-free season — you can succession-sow, fit in a second crop, and grow long-season heat-lovers with room to spare. These dates come from a station roughly 18 km away, the closest with full normals; terrain around Galt (elevation, water, pavement) can move your real frost dates a few days either way. In zone 9b, frost is a minor factor for Galt — most perennials thrive, and annual vegetables can go out early and stay late.
The average last spring frost in Galt is now 12 days earlier than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
LODI · 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 Galt’s own odds, recorded at LODI.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Apr 20 | Mar 11 | Feb 9 | Nov 5 | Nov 19 | Dec 4 |
| 32°F | Mar 7 | Feb 9 | Jan 2 | Nov 17 | Dec 5 | Jan 3 |
| 28°F | Feb 18 | Jan 12 | Dec 12 | Nov 30 | Dec 20 | Jan 24 |
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 Galt, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 32 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.
Galt planting FAQ
When is the last spring frost in Galt, CA?
Plan for the last spring frost in Galt around February 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 Galt, CA?
In Galt, the first 32°F freeze of fall lands around December 5 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is Galt in?
Galt is in USDA hardiness zone 9b. In zone 9b, winters are mild — many tender perennials overwinter here.
How long is the growing season in Galt?
Galt has about 299 frost-free days — a long growing season — between the average last spring frost (February 9) and first fall frost (December 5).
When should I plant tomatoes in Galt?
For Galt, sow tomatoes indoors about December 15–December 29 and move the seedlings out around February 16, after the last spring frost.
Never miss a window in Galt
An email when it’s time to start seeds, transplant, and sow — timed to Galt’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reachFrost dates recorded at LODI, 18 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 Galt, CA — Frost Dates & Zone 9b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00045032. Retrieved from https://blissgarden.com/california/galt.