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When to plant in Sugar Land, TX

USDA Zone 9b

Sugar Land, 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 ~307-day season lets Sugar Land gardeners direct-sow more and still ripen long-maturity crops like melons and winter squash. Zone 9b is warm enough that Sugar Land can grow subtropical perennials, and the short (or absent) frost period barely limits the annual calendar.

Station · SUGAR LAND · 3.9 km
Last spring frost
February 9
50% chance · 32°F
First fall frost
December 13
50% chance · 32°F
Growing season
307 days
frost-free
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Frost calendar for Sugar LandA year-band showing 32°F frost risk from January to December for Sugar Land: last spring frost around February 9, first fall frost around December 13, about 307 frost-free days between.
Shaded months carry frost risk; the clear span is the average frost-free season.

Frost probability

SUGAR LAND · 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 Sugar Land’s own odds, recorded at SUGAR LAND.

Frost-probability curves for Sugar LandProbability of the last spring frost and first fall frost by date at 32°F. The last spring frost is most likely around February 9 and the first fall frost around December 13, giving about 307 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 25Mar 2Feb 2Nov 9Nov 29Dec 20
32°FMar 11Feb 9Jan 13Nov 19Dec 13Jan 13
28°FFeb 28Jan 28Dec 26Nov 30Jan 1Feb 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 Sugar Land, drawn to the day from the local frost dates. The dashed line is today.

Nearby weather stations

3 within 12 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.

SUGAR LAND
Primary
4 km · 26 m elevation
SPRING
Feb 9
FALL
Dec 13
HOUSTON SUGARLAND MEM
4 km · 25 m elevation
SPRING
Feb 2
FALL
Dec 11
THOMPSONS 3 WSW
12 km · 21 m elevation
SPRING
Feb 15
FALL
Dec 6

Sugar Land planting FAQ

When is the last spring frost in Sugar Land, TX?

On average, the last spring frost in Sugar Land is around February 9 (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 Sugar Land, TX?

The first fall frost in Sugar Land typically arrives around December 13 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.

What hardiness zone is Sugar Land in?

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

How long is the growing season in Sugar Land?

There are roughly 307 frost-free days in Sugar Land (a long growing season), running from the average last frost around February 9 to the first fall frost near December 13.

When should I plant tomatoes in Sugar Land?

In Sugar Land, start tomato seeds indoors around December 15–December 29, then transplant seedlings outdoors around February 16 once the danger of frost has passed.

Planting reminders

Never miss a window in Sugar Land

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

Nearby cities

8 within reach

Frost dates recorded at SUGAR LAND, 4 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 Sugar Land, TX — Frost Dates & Zone 9b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00418728. Retrieved from https://blissgarden.com/texas/sugar-land.