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When to plant in Turlock, CA

USDA Zone 9b

Everything below — frost dates, hardiness zone, and what to plant when in Turlock, California — is derived from the closest NOAA station with complete climate normals.

Turlock enjoys a long ~348-day frost-free season — you can succession-sow, fit in a second crop, and grow long-season heat-lovers with room to spare. Zone 9b is warm enough that Turlock can grow subtropical perennials, and the short (or absent) frost period barely limits the annual calendar.

Station · TURLOCK #2 · 1.3 km
Last spring frost
January 6
50% chance · 32°F
First fall frost
December 20
50% chance · 32°F
Growing season
348 days
frost-free
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Frost calendar for TurlockA year-band showing 32°F frost risk from January to December for Turlock: last spring frost around January 6, first fall frost around December 20, about 348 frost-free days between.
Shaded months carry frost risk; the clear span is the average frost-free season.

The average last spring frost in Turlock is now 20 days earlier than in the 1981–2010 normals. See how frost dates are shifting nationwide →

Frost probability

TURLOCK #2 · 1991–2020

The 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 Turlock’s own odds, recorded at TURLOCK #2.

Frost-probability curves for TurlockProbability of the last spring frost and first fall frost by date at 32°F. The last spring frost is most likely around January 6 and the first fall frost around December 20, giving about 348 frost-free days.
Last spring frostFirst fall frostbold = 32°F · thin = 28°F / 36°F · dot = 50% date · band = 10–90% window
ThresholdSPRING 10%SPRING 50%SPRING 90%FALL 10%FALL 50%FALL 90%
36°FFeb 26Jan 31Jan 2Nov 21Dec 7Jan 3
32°FJan 31Jan 6Dec 14Dec 3Dec 20Jan 16
28°FJan 20Dec 30Dec 10Dec 8Dec 24Jan 16

Download this table as CSV ↓ — every threshold and probability, plus this city’s planting-window dates.

What to plant now

TODAY · JULY 19

Nothing new to sow or transplant outdoors in the next few weeks — a seasonal lull. Check the full-year calendar below for the next window.

Add the next planting windows to your calendar (.ics) ↓

Full-year planting calendar

Start indoorsTransplantDirect sowFall sow

Each bar is the exact window to take a planting action in Turlock, drawn to the day from the local frost dates. The dashed line is today.

Nearby weather stations

3 within 29 km · complete 32°F normals

When 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.

TURLOCK #2
Primary
1 km · 31 m elevation
SPRING
Jan 6
FALL
Dec 20
MODESTO CITY CO AP
15 km · 22 m elevation
SPRING
Jan 31
FALL
Dec 5
NEWMAN
29 km · 27 m elevation
SPRING
Feb 26
FALL
Nov 29

Turlock planting FAQ

When is the last spring frost in Turlock, CA?

Plan for the last spring frost in Turlock around January 6 (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 Turlock, CA?

Expect Turlock's first fall frost near December 20 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.

What hardiness zone is Turlock in?

Turlock is in USDA hardiness zone 9b. In zone 9b, winters are mild — many tender perennials overwinter here.

How long is the growing season in Turlock?

There are roughly 348 frost-free days in Turlock (a long growing season), running from the average last frost around January 6 to the first fall frost near December 20.

When should I plant tomatoes in Turlock?

In Turlock, start tomato seeds indoors around November 11–November 25, then transplant seedlings outdoors around January 13 once the danger of frost has passed.

Planting reminders

Never miss a window in Turlock

An email when it’s time to start seeds, transplant, and sow — timed to Turlock’s frost dates. Double opt-in, one-click unsubscribe, no spam.

Nearby cities

8 within reach

Frost dates recorded at TURLOCK #2, 1 km from the city center · 1991–2020 NOAA climate normals · zone from the USDA/PRISM 2023 map. How we compute this.

Cite this page
BlissGarden. "When to Plant in Turlock, CA — Frost Dates & Zone 9b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00049073. Retrieved from https://blissgarden.com/california/turlock.