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When to plant in Friendswood, TX

USDA Zone 9b

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

Friendswood enjoys a long ~330-day frost-free season — you can succession-sow, fit in a second crop, and grow long-season heat-lovers with room to spare. Zone 9b is warm enough that Friendswood can grow subtropical perennials, and the short (or absent) frost period barely limits the annual calendar.

Station · HOUSTON CLOVER FLD · 4.2 km
Last spring frost
January 31
50% chance · 32°F
First fall frost
December 27
50% chance · 32°F
Growing season
330 days
frost-free
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Frost calendar for FriendswoodA year-band showing 32°F frost risk from January to December for Friendswood: last spring frost around January 31, first fall frost around December 27, about 330 frost-free days between.
Shaded months carry frost risk; the clear span is the average frost-free season.

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

Frost probability

HOUSTON CLOVER FLD · 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 Friendswood’s own odds, recorded at HOUSTON CLOVER FLD.

Frost-probability curves for FriendswoodProbability of the last spring frost and first fall frost by date at 32°F. The last spring frost is most likely around January 31 and the first fall frost around December 27, giving about 330 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 18Feb 21Jan 23Nov 13Dec 3Jan 2
32°FMar 5Jan 31Jan 1Nov 28Dec 27Jan 28
28°FFeb 20Jan 18Dec 22Dec 14Jan 8Feb 4

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

Nearby weather stations

3 within 16 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.

HOUSTON CLOVER FLD
Primary
4 km · 13 m elevation
SPRING
Jan 31
FALL
Dec 27
HOUSTON NWSO
12 km · 6 m elevation
SPRING
Jan 31
FALL
Dec 14
ALVIN
16 km · 9 m elevation
SPRING
Feb 14
FALL
Dec 5

Friendswood planting FAQ

When is the last spring frost in Friendswood, TX?

Friendswood's average last spring frost falls near January 31 — 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 Friendswood, TX?

In Friendswood, the first 32°F freeze of fall lands around December 27 on average. Time your last harvests and any season-extension cover before it.

What hardiness zone is Friendswood in?

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

How long is the growing season in Friendswood?

There are roughly 330 frost-free days in Friendswood (a long growing season), running from the average last frost around January 31 to the first fall frost near December 27.

When should I plant tomatoes in Friendswood?

In Friendswood, start tomato seeds indoors around December 6–December 20, then transplant seedlings outdoors around February 7 once the danger of frost has passed.

Planting reminders

Never miss a window in Friendswood

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

Nearby cities

8 within reach

Frost dates recorded at HOUSTON CLOVER FLD, 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 Friendswood, TX — Frost Dates & Zone 9b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00012975. Retrieved from https://blissgarden.com/texas/friendswood.