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When to plant in Nederland, TX

USDA Zone 9b

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

Nederland enjoys a long ~296-day frost-free season — you can succession-sow, fit in a second crop, and grow long-season heat-lovers with room to spare. In zone 9b, frost is a minor factor for Nederland — most perennials thrive, and annual vegetables can go out early and stay late.

Station · PORT ARTHUR SE TX AP · 2.8 km
Last spring frost
February 14
50% chance · 32°F
First fall frost
December 7
50% chance · 32°F
Growing season
296 days
frost-free
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Frost calendar for NederlandA year-band showing 32°F frost risk from January to December for Nederland: last spring frost around February 14, first fall frost around December 7, about 296 frost-free days between.
Shaded months carry frost risk; the clear span is the average frost-free season.

Frost probability

PORT ARTHUR SE TX AP · 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 Nederland’s own odds, recorded at PORT ARTHUR SE TX AP.

Frost-probability curves for NederlandProbability of the last spring frost and first fall frost by date at 32°F. The last spring frost is most likely around February 14 and the first fall frost around December 7, giving about 296 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 27Mar 4Feb 5Nov 3Nov 23Dec 12
32°FMar 13Feb 14Jan 17Nov 15Dec 7Jan 9
28°FMar 3Jan 28Dec 23Dec 1Jan 1Feb 3

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

Nearby weather stations

3 within 30 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.

PORT ARTHUR SE TX AP
Primary
3 km · 5 m elevation
SPRING
Feb 14
FALL
Dec 7
BEAUMONT CITY
17 km · 6 m elevation
SPRING
Feb 14
FALL
Dec 4
BEAUMONT RSCH CTR
30 km · 8 m elevation
SPRING
Feb 18
FALL
Dec 2

Nederland planting FAQ

When is the last spring frost in Nederland, TX?

Plan for the last spring frost in Nederland around February 14 (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 Nederland, TX?

The first fall frost in Nederland typically arrives around December 7 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.

What hardiness zone is Nederland in?

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

How long is the growing season in Nederland?

Nederland has about 296 frost-free days — a long growing season — between the average last spring frost (February 14) and first fall frost (December 7).

When should I plant tomatoes in Nederland?

For Nederland, sow tomatoes indoors about December 20–January 3 and move the seedlings out around February 21, after the last spring frost.

Planting reminders

Never miss a window in Nederland

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

Nearby cities

8 within reach

Frost dates recorded at PORT ARTHUR SE TX AP, 3 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 Nederland, TX — Frost Dates & Zone 9b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00012917. Retrieved from https://blissgarden.com/texas/nederland.