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When to plant in Laredo, TX

USDA Zone 9b

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

A generous ~326-day season lets Laredo gardeners direct-sow more and still ripen long-maturity crops like melons and winter squash. Zone 9b is warm enough that Laredo can grow subtropical perennials, and the short (or absent) frost period barely limits the annual calendar.

Station · LAREDO 2 · 1.3 km
Last spring frost
January 25
50% chance · 32°F
First fall frost
December 17
50% chance · 32°F
Growing season
326 days
frost-free
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Frost calendar for LaredoA year-band showing 32°F frost risk from January to December for Laredo: last spring frost around January 25, first fall frost around December 17, about 326 frost-free days between.
Shaded months carry frost risk; the clear span is the average frost-free season.

The average last spring frost in Laredo is now 9 days earlier than in the 1981–2010 normals. See how frost dates are shifting nationwide →

Frost probability

LAREDO 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 Laredo’s own odds, recorded at LAREDO 2.

Frost-probability curves for LaredoProbability of the last spring frost and first fall frost by date at 32°F. The last spring frost is most likely around January 25 and the first fall frost around December 17, giving about 326 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 9Feb 13Jan 18Nov 14Dec 3Dec 28
32°FFeb 25Jan 25Dec 25Nov 23Dec 17Jan 19
28°FFeb 11Jan 8Dec 14Dec 5Dec 30Feb 1

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

Nearby weather stations

3 within 48 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.

LAREDO 2
Primary
1 km · 131 m elevation
SPRING
Jan 25
FALL
Dec 17
LAREDO AFB
4 km · 154 m elevation
SPRING
Jan 20
FALL
Dec 25
ENCINAL
48 km · 166 m elevation
SPRING
Feb 21
FALL
Dec 9

Laredo planting FAQ

When is the last spring frost in Laredo, TX?

On average, the last spring frost in Laredo is around January 25 (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 Laredo, TX?

In Laredo, the first 32°F freeze of fall lands around December 17 on average. Time your last harvests and any season-extension cover before it.

What hardiness zone is Laredo in?

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

How long is the growing season in Laredo?

There are roughly 326 frost-free days in Laredo (a long growing season), running from the average last frost around January 25 to the first fall frost near December 17.

When should I plant tomatoes in Laredo?

In Laredo, start tomato seeds indoors around November 30–December 14, then transplant seedlings outdoors around February 1 once the danger of frost has passed.

Planting reminders

Never miss a window in Laredo

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

Nearby cities

8 within reach

Frost dates recorded at LAREDO 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 Laredo, TX — Frost Dates & Zone 9b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00415060. Retrieved from https://blissgarden.com/texas/laredo.