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When to plant in Granbury, TX

USDA Zone 8b

Here are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Granbury, Texas — all computed from Granbury's nearest NOAA weather station.

In zone 8b, Granbury supports a wide range of perennials year-round; the frost dates above are what set your annual vegetable timing.

Station · GRANBURY 5N · 10.3 km
Last spring frost
March 24
50% chance · 32°F
First fall frost
November 9
50% chance · 32°F
Growing season
230 days
frost-free
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Frost calendar for GranburyA year-band showing 32°F frost risk from January to December for Granbury: last spring frost around March 24, first fall frost around November 9, about 230 frost-free days between.
Shaded months carry frost risk; the clear span is the average frost-free season.

Frost probability

GRANBURY 5N · 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 Granbury’s own odds, recorded at GRANBURY 5N.

Frost-probability curves for GranburyProbability of the last spring frost and first fall frost by date at 32°F. The last spring frost is most likely around March 24 and the first fall frost around November 9, giving about 230 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°FApr 25Apr 5Mar 16Oct 18Nov 1Nov 16
32°FApr 17Mar 24Mar 2Oct 25Nov 9Nov 29
28°FApr 2Mar 10Feb 19Nov 2Nov 20Dec 8

Download this table as CSV ↓ — every threshold and probability, plus this city’s planting-window dates.

What to plant now

TODAY · JULY 19
Fall sowin 1 days
Brussels Sprouts
July 20August 3
Fall sowin 15 days
Rutabaga
August 3August 17

Add these crops to your calendar (.ics) ↓

Full-year planting calendar

Start indoorsTransplantDirect sowFall sow

Each bar is the exact window to take a planting action in Granbury, drawn to the day from the local frost dates. The dashed line is today.

Nearby weather stations

3 within 35 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.

GRANBURY 5N
Primary
10 km · 237 m elevation
SPRING
Mar 24
FALL
Nov 9
RAINBOW
20 km · 198 m elevation
SPRING
Mar 28
FALL
Nov 7
WEATHERFORD
35 km · 291 m elevation
SPRING
Mar 25
FALL
Nov 8

Granbury planting FAQ

When is the last spring frost in Granbury, TX?

Plan for the last spring frost in Granbury around March 24 (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 Granbury, TX?

The first fall frost in Granbury typically arrives around November 9 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.

What hardiness zone is Granbury in?

Granbury is in USDA hardiness zone 8b. In zone 8b, winters are mild — many tender perennials overwinter here.

How long is the growing season in Granbury?

Granbury has about 230 frost-free days — a long growing season — between the average last spring frost (March 24) and first fall frost (November 9).

When should I plant tomatoes in Granbury?

For Granbury, sow tomatoes indoors about January 27–February 10 and move the seedlings out around March 31, after the last spring frost.

Planting reminders

Never miss a window in Granbury

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

Nearby cities

8 within reach

Frost dates recorded at GRANBURY 5N, 10 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 Granbury, TX — Frost Dates & Zone 8b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00413675. Retrieved from https://blissgarden.com/texas/granbury.