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When to plant in East Los Angeles, CA

USDA Zone 10b

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

A ~-2-day frost-free window makes East Los Angeles a short-season garden: choose early varieties and start long-season crops indoors well ahead of the last frost. In zone 10b, frost is a minor factor for East Los Angeles — most perennials thrive, and annual vegetables can go out early and stay late.

Station · SAN GABRIEL FIRE DEPT · 8.6 km
Last spring frost
January 4
50% chance · 32°F
First fall frost
January 2
50% chance · 32°F
Growing season
-2 days
frost-free
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Frost calendar for East Los AngelesA year-band from January to December for East Los Angeles: East Los Angeles is effectively frost-free at 32°F — no distinct frost season.
East Los Angeles is effectively frost-free at 32°F — no distinct frost season.

Frost probability

SAN GABRIEL FIRE DEPT · 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 East Los Angeles’s own odds, recorded at SAN GABRIEL FIRE DEPT.

Frost-probability curves for East Los AngelesProbability of the last spring frost and first fall frost by date at 32°F. The last spring frost is most likely around January 4 and the first fall frost around January 2, where a 32°F freeze is rare enough that there is effectively no distinct frost season.
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 20Jan 17Dec 20Dec 6Dec 26Jan 30
32°FJan 28Jan 4Dec 19Dec 18Jan 2Jan 26

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 East Los Angeles, drawn to the day from the local frost dates. The dashed line is today.

Nearby weather stations

3 within 24 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.

SAN GABRIEL FIRE DEPT
Primary
9 km · 111 m elevation
SPRING
Jan 4
FALL
Jan 2
PASADENA
13 km · 263 m elevation
SPRING
Jan 8
FALL
Jan 7
BURBANK VALLEY PUMP PLT
24 km · 200 m elevation
SPRING
Jan 2
FALL
Dec 26

East Los Angeles planting FAQ

When is the last spring frost in East Los Angeles, CA?

East Los Angeles's average last spring frost falls near January 4 — 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 East Los Angeles, CA?

Expect East Los Angeles's first fall frost near January 2 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.

What hardiness zone is East Los Angeles in?

East Los Angeles is in USDA hardiness zone 10b. In zone 10b, winters are mild — many tender perennials overwinter here.

How long is the growing season in East Los Angeles?

East Los Angeles has about -2 frost-free days — a short growing season — between the average last spring frost (January 4) and first fall frost (January 2).

When should I plant tomatoes in East Los Angeles?

For East Los Angeles, sow tomatoes indoors about November 9–November 23 and move the seedlings out around January 11, after the last spring frost.

Planting reminders

Never miss a window in East Los Angeles

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

Nearby cities

8 within reach

Frost dates recorded at SAN GABRIEL FIRE DEPT, 9 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 East Los Angeles, CA — Frost Dates & Zone 10b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00047785. Retrieved from https://blissgarden.com/california/east-los-angeles.
When to Plant in East Los Angeles, CA — Frost Dates & Zone 10b — BlissGarden