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When to plant in Fredericksburg, TX

USDA Zone 8b

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

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

Station · FREDERICKSBURG · 4.3 km
Last spring frost
March 18
50% chance · 32°F
First fall frost
November 10
50% chance · 32°F
Growing season
237 days
frost-free
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Frost calendar for FredericksburgA year-band showing 32°F frost risk from January to December for Fredericksburg: last spring frost around March 18, first fall frost around November 10, about 237 frost-free days between.
Shaded months carry frost risk; the clear span is the average frost-free season.

The average last spring frost in Fredericksburg is now 8 days earlier than in the 1981–2010 normals. See how frost dates are shifting nationwide →

Frost probability

FREDERICKSBURG · 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 Fredericksburg’s own odds, recorded at FREDERICKSBURG.

Frost-probability curves for FredericksburgProbability of the last spring frost and first fall frost by date at 32°F. The last spring frost is most likely around March 18 and the first fall frost around November 10, giving about 237 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 20Apr 3Mar 13Oct 17Nov 1Nov 15
32°FApr 9Mar 18Feb 27Oct 27Nov 10Nov 28
28°FMar 24Mar 4Feb 13Nov 2Nov 22Dec 11

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 2 days
Brussels Sprouts
July 21August 4
Fall sowin 16 days
Rutabaga
August 4August 18

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

Nearby weather stations

3 within 32 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.

FREDERICKSBURG
Primary
4 km · 514 m elevation
SPRING
Mar 18
FALL
Nov 10
KERRVILLE 3 NNE
31 km · 548 m elevation
SPRING
Mar 27
FALL
Nov 7
HARPER 3ENE
32 km · 643 m elevation
SPRING
Mar 15
FALL
Nov 15

Fredericksburg planting FAQ

When is the last spring frost in Fredericksburg, TX?

Fredericksburg's average last spring frost falls near March 18 — 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 Fredericksburg, TX?

In Fredericksburg, the first 32°F freeze of fall lands around November 10 on average. Time your last harvests and any season-extension cover before it.

What hardiness zone is Fredericksburg in?

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

How long is the growing season in Fredericksburg?

Fredericksburg has about 237 frost-free days — a long growing season — between the average last spring frost (March 18) and first fall frost (November 10).

When should I plant tomatoes in Fredericksburg?

For Fredericksburg, sow tomatoes indoors about January 21–February 4 and move the seedlings out around March 25, after the last spring frost.

Planting reminders

Never miss a window in Fredericksburg

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

Nearby cities

8 within reach

Frost dates recorded at FREDERICKSBURG, 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 Fredericksburg, TX — Frost Dates & Zone 8b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00413329. Retrieved from https://blissgarden.com/texas/fredericksburg.