blissgarden.

When to plant in Texas City, TX

USDA Zone 10a

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

With only about -24 frost-free days, Texas City has a short season — start heat-lovers indoors early, favor quick-maturing varieties, and use row cover to stretch both ends. Heads up: the nearest complete-normals station is about 17 km from Texas City, so your yard's frost dates can differ — a low spot or a paved city center can shift them by a week. Zone 10a is warm enough that Texas City can grow subtropical perennials, and the short (or absent) frost period barely limits the annual calendar.

Station · GALVESTON · 17.4 km
Last spring frost
January 25
50% chance · 32°F
First fall frost
January 1
50% chance · 32°F
Growing season
-24 days
frost-free
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Frost calendar for Texas CityA year-band from January to December for Texas City: Texas City is effectively frost-free at 32°F — no distinct frost season.
Texas City is effectively frost-free at 32°F — no distinct frost season.

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

Frost probability

GALVESTON · 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 Texas City’s own odds, recorded at GALVESTON.

Frost-probability curves for Texas CityProbability 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 January 1, 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°FMar 8Feb 8Jan 4Nov 27Dec 19Jan 17
32°FFeb 21Jan 25Dec 23Dec 9Jan 1Feb 1
28°FFeb 8Jan 17Dec 22Dec 14Jan 5Feb 2

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

Nearby weather stations

3 within 19 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.

GALVESTON
Primary
17 km · 2 m elevation
SPRING
Jan 25
FALL
Jan 1
GALVESTON SCHOLES FLD
18 km · 2 m elevation
SPRING
Jan 18
FALL
Jan 7
HOUSTON NWSO
19 km · 6 m elevation
SPRING
Jan 31
FALL
Dec 14

Texas City planting FAQ

When is the last spring frost in Texas City, TX?

Plan for the last spring frost in Texas City around January 25 (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 Texas City, TX?

The first fall frost in Texas City typically arrives around January 1 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.

What hardiness zone is Texas City in?

Texas City is in USDA hardiness zone 10a. In zone 10a, winters are mild — many tender perennials overwinter here.

How long is the growing season in Texas City?

There are roughly -24 frost-free days in Texas City (a short growing season), running from the average last frost around January 25 to the first fall frost near January 1.

When should I plant tomatoes in Texas City?

In Texas City, 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 Texas City

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

Nearby cities

8 within reach

Frost dates recorded at GALVESTON, 17 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 Texas City, TX — Frost Dates & Zone 10a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00012944. Retrieved from https://blissgarden.com/texas/texas-city.