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When to plant in Wells Branch, TX

USDA Zone 9a

Wells Branch, Texas frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.

With about 254 frost-free days, Wells Branch supports back-to-back plantings; stagger sowings every few weeks to keep beds productive spring through fall. In zone 9a, frost is a minor factor for Wells Branch — most perennials thrive, and annual vegetables can go out early and stay late.

Station · AUSTIN GREAT HILLS · 8.9 km
Last spring frost
March 11
50% chance · 32°F
First fall frost
November 20
50% chance · 32°F
Growing season
254 days
frost-free
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Frost calendar for Wells BranchA year-band showing 32°F frost risk from January to December for Wells Branch: last spring frost around March 11, first fall frost around November 20, about 254 frost-free days between.
Shaded months carry frost risk; the clear span is the average frost-free season.

Frost probability

AUSTIN GREAT HILLS · 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 Wells Branch’s own odds, recorded at AUSTIN GREAT HILLS.

Frost-probability curves for Wells BranchProbability of the last spring frost and first fall frost by date at 32°F. The last spring frost is most likely around March 11 and the first fall frost around November 20, giving about 254 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 11Mar 25Mar 6Oct 27Nov 10Nov 27
32°FMar 29Mar 11Feb 22Nov 3Nov 20Dec 9
28°FMar 19Mar 1Jan 31Nov 12Dec 3Dec 29

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 12 days
Brussels Sprouts
July 31August 14

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

Nearby weather stations

3 within 25 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.

AUSTIN GREAT HILLS
Primary
9 km · 268 m elevation
SPRING
Mar 11
FALL
Nov 20
AUSTIN-CAMP MABRY
16 km · 204 m elevation
SPRING
Feb 20
FALL
Dec 3
AUSTIN 6S
25 km · 174 m elevation
SPRING
Mar 10
FALL
Nov 17

Wells Branch planting FAQ

When is the last spring frost in Wells Branch, TX?

Wells Branch's average last spring frost falls near March 11 — 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 Wells Branch, TX?

Expect Wells Branch's first fall frost near November 20 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.

What hardiness zone is Wells Branch in?

Wells Branch is in USDA hardiness zone 9a. In zone 9a, winters are mild — many tender perennials overwinter here.

How long is the growing season in Wells Branch?

Wells Branch has about 254 frost-free days — a long growing season — between the average last spring frost (March 11) and first fall frost (November 20).

When should I plant tomatoes in Wells Branch?

For Wells Branch, sow tomatoes indoors about January 14–January 28 and move the seedlings out around March 18, after the last spring frost.

Planting reminders

Never miss a window in Wells Branch

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

Nearby cities

8 within reach

Frost dates recorded at AUSTIN GREAT HILLS, 9 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 Wells Branch, TX — Frost Dates & Zone 9a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00410433. Retrieved from https://blissgarden.com/texas/wells-branch.