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When to plant in Marshall, TX

USDA Zone 8b

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

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

Station · MARSHALL · 6.0 km
Last spring frost
March 20
50% chance · 32°F
First fall frost
November 11
50% chance · 32°F
Growing season
236 days
frost-free
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Frost calendar for MarshallA year-band showing 32°F frost risk from January to December for Marshall: last spring frost around March 20, first fall frost around November 11, about 236 frost-free days between.
Shaded months carry frost risk; the clear span is the average frost-free season.

The average first fall frost in Marshall is now 11 days earlier than in the 1981–2010 normals. See how frost dates are shifting nationwide →

Frost probability

MARSHALL · 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 Marshall’s own odds, recorded at MARSHALL.

Frost-probability curves for MarshallProbability of the last spring frost and first fall frost by date at 32°F. The last spring frost is most likely around March 20 and the first fall frost around November 11, giving about 236 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 22Apr 4Mar 15Oct 19Nov 1Nov 16
32°FApr 7Mar 20Feb 28Oct 27Nov 11Nov 30
28°FMar 24Mar 5Feb 12Nov 4Nov 24Dec 12

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 3 days
Brussels Sprouts
July 22August 5
Fall sowin 17 days
Rutabaga
August 5August 19

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

Nearby weather stations

3 within 26 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.

MARSHALL
Primary
6 km · 92 m elevation
SPRING
Mar 20
FALL
Nov 11
HALLSVILLE 4 S
25 km · 98 m elevation
SPRING
Mar 15
FALL
Nov 15
JEFFERSON
26 km · 64 m elevation
SPRING
Mar 18
FALL
Nov 8

Marshall planting FAQ

When is the last spring frost in Marshall, TX?

Marshall's average last spring frost falls near March 20 — 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 Marshall, TX?

The first fall frost in Marshall typically arrives around November 11 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.

What hardiness zone is Marshall in?

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

How long is the growing season in Marshall?

Marshall has about 236 frost-free days — a long growing season — between the average last spring frost (March 20) and first fall frost (November 11).

When should I plant tomatoes in Marshall?

For Marshall, sow tomatoes indoors about January 23–February 6 and move the seedlings out around March 27, after the last spring frost.

Planting reminders

Never miss a window in Marshall

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

Nearby cities

8 within reach

Frost dates recorded at MARSHALL, 6 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 Marshall, TX — Frost Dates & Zone 8b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00415618. Retrieved from https://blissgarden.com/texas/marshall.