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When to plant in Manvel, TX

USDA Zone 9b

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

With about 330 frost-free days, Manvel supports back-to-back plantings; stagger sowings every few weeks to keep beds productive spring through fall. Zone 9b is warm enough that Manvel can grow subtropical perennials, and the short (or absent) frost period barely limits the annual calendar.

Station · HOUSTON CLOVER FLD · 12.4 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 ManvelA year-band showing 32°F frost risk from January to December for Manvel: 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 Manvel 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 Manvel’s own odds, recorded at HOUSTON CLOVER FLD.

Frost-probability curves for ManvelProbability 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 Manvel, drawn to the day from the local frost dates. The dashed line is today.

Nearby weather stations

3 within 19 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
12 km · 13 m elevation
SPRING
Jan 31
FALL
Dec 27
HOUSTON HOBBY AP
19 km · 13 m elevation
SPRING
Jan 30
FALL
Dec 28
ALVIN
19 km · 9 m elevation
SPRING
Feb 14
FALL
Dec 5

Manvel planting FAQ

When is the last spring frost in Manvel, TX?

Manvel'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 Manvel, TX?

Expect Manvel's first fall frost near December 27 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.

What hardiness zone is Manvel in?

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

How long is the growing season in Manvel?

There are roughly 330 frost-free days in Manvel (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 Manvel?

In Manvel, 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 Manvel

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

Nearby cities

8 within reach

Frost dates recorded at HOUSTON CLOVER FLD, 12 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 Manvel, TX — Frost Dates & Zone 9b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00012975. Retrieved from https://blissgarden.com/texas/manvel.