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When to plant in Bakersfield, CA

USDA Zone 9b

Bakersfield, California frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.

A generous ~311-day season lets Bakersfield gardeners direct-sow more and still ripen long-maturity crops like melons and winter squash. In zone 9b, frost is a minor factor for Bakersfield — most perennials thrive, and annual vegetables can go out early and stay late.

Station · BAKERSFIELD 5 NW · 7.4 km
Last spring frost
January 31
50% chance · 32°F
First fall frost
December 8
50% chance · 32°F
Growing season
311 days
frost-free
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Frost calendar for BakersfieldA year-band showing 32°F frost risk from January to December for Bakersfield: last spring frost around January 31, first fall frost around December 8, about 311 frost-free days between.
Shaded months carry frost risk; the clear span is the average frost-free season.

Frost probability

BAKERSFIELD 5 NW · 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 Bakersfield’s own odds, recorded at BAKERSFIELD 5 NW.

Frost-probability curves for BakersfieldProbability of the last spring frost and first fall frost by date at 32°F. The last spring frost is most likely around January 31 and the first fall frost around December 8, giving about 311 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°FApr 2Mar 2Feb 3Nov 11Nov 26Dec 11
32°FFeb 27Jan 31Dec 31Nov 23Dec 8Jan 1
28°FFeb 1Jan 3Dec 14Dec 2Dec 20Jan 20

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 Bakersfield, drawn to the day from the local frost dates. The dashed line is today.

Nearby weather stations

3 within 18 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.

BAKERSFIELD 5 NW
Primary
7 km · 143 m elevation
SPRING
Jan 31
FALL
Dec 8
BAKERSFIELD AP
9 km · 149 m elevation
SPRING
Jan 17
FALL
Dec 15
SHAFTER 6E
18 km · 123 m elevation
SPRING
Feb 20
FALL
Nov 23

Bakersfield planting FAQ

When is the last spring frost in Bakersfield, CA?

Plan for the last spring frost in Bakersfield around January 31 (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 Bakersfield, CA?

In Bakersfield, the first 32°F freeze of fall lands around December 8 on average. Time your last harvests and any season-extension cover before it.

What hardiness zone is Bakersfield in?

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

How long is the growing season in Bakersfield?

Bakersfield has about 311 frost-free days — a long growing season — between the average last spring frost (January 31) and first fall frost (December 8).

When should I plant tomatoes in Bakersfield?

For Bakersfield, sow tomatoes indoors about December 6–December 20 and move the seedlings out around February 7, after the last spring frost.

Planting reminders

Never miss a window in Bakersfield

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

Nearby cities

8 within reach

Frost dates recorded at BAKERSFIELD 5 NW, 7 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 Bakersfield, CA — Frost Dates & Zone 9b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00040444. Retrieved from https://blissgarden.com/california/bakersfield.