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When to plant in Rancho Cordova, CA

USDA Zone 9b

Rancho Cordova, 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 ~338-day season lets Rancho Cordova gardeners direct-sow more and still ripen long-maturity crops like melons and winter squash. Rancho Cordova's nearest full-normals station sits about 16 km out, so treat these as a close estimate — local microclimate can nudge your first and last frost. In zone 9b, frost is a minor factor for Rancho Cordova — most perennials thrive, and annual vegetables can go out early and stay late.

Station · SACRAMENTO 5 ESE · 15.9 km
Last spring frost
January 12
50% chance · 32°F
First fall frost
December 16
50% chance · 32°F
Growing season
338 days
frost-free
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Frost calendar for Rancho CordovaA year-band showing 32°F frost risk from January to December for Rancho Cordova: last spring frost around January 12, first fall frost around December 16, about 338 frost-free days between.
Shaded months carry frost risk; the clear span is the average frost-free season.

The average last spring frost in Rancho Cordova is now 7 days earlier than in the 1981–2010 normals. See how frost dates are shifting nationwide →

Frost probability

SACRAMENTO 5 ESE · 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 Rancho Cordova’s own odds, recorded at SACRAMENTO 5 ESE.

Frost-probability curves for Rancho CordovaProbability of the last spring frost and first fall frost by date at 32°F. The last spring frost is most likely around January 12 and the first fall frost around December 16, giving about 338 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°FMar 11Feb 12Jan 9Nov 15Dec 1Dec 29
32°FFeb 8Jan 12Dec 18Nov 28Dec 16Jan 14
28°FJan 22Dec 31Dec 13Dec 5Dec 25Jan 14

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

Nearby weather stations

3 within 33 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.

SACRAMENTO 5 ESE
Primary
16 km · 12 m elevation
SPRING
Jan 12
FALL
Dec 16
SACRAMENTO EXECUTIVE AP
24 km · 5 m elevation
SPRING
Feb 2
FALL
Dec 2
SACRAMENTO METRO AP
33 km · 7 m elevation
SPRING
Feb 22
FALL
Nov 24

Rancho Cordova planting FAQ

When is the last spring frost in Rancho Cordova, CA?

On average, the last spring frost in Rancho Cordova is around January 12 (50% probability at 32°F, from 1991–2020 NOAA normals). Wait until after this date to set out tender plants like tomatoes and peppers.

When is the first fall frost in Rancho Cordova, CA?

In Rancho Cordova, the first 32°F freeze of fall lands around December 16 on average. Time your last harvests and any season-extension cover before it.

What hardiness zone is Rancho Cordova in?

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

How long is the growing season in Rancho Cordova?

Rancho Cordova has about 338 frost-free days — a long growing season — between the average last spring frost (January 12) and first fall frost (December 16).

When should I plant tomatoes in Rancho Cordova?

For Rancho Cordova, sow tomatoes indoors about November 17–December 1 and move the seedlings out around January 19, after the last spring frost.

Planting reminders

Never miss a window in Rancho Cordova

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

Nearby cities

8 within reach

Frost dates recorded at SACRAMENTO 5 ESE, 16 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 Rancho Cordova, CA — Frost Dates & Zone 9b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00023271. Retrieved from https://blissgarden.com/california/rancho-cordova.
When to Plant in Rancho Cordova, CA — Frost Dates & Zone 9b — BlissGarden