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When to plant in Converse, TX

USDA Zone 9a

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

Converse enjoys a long ~287-day frost-free season — you can succession-sow, fit in a second crop, and grow long-season heat-lovers with room to spare. Zone 9a is warm enough that Converse can grow subtropical perennials, and the short (or absent) frost period barely limits the annual calendar.

Station · RANDOLPH AFB · 4.6 km
Last spring frost
February 21
50% chance · 32°F
First fall frost
December 5
50% chance · 32°F
Growing season
287 days
frost-free
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Frost calendar for ConverseA year-band showing 32°F frost risk from January to December for Converse: last spring frost around February 21, first fall frost around December 5, about 287 frost-free days between.
Shaded months carry frost risk; the clear span is the average frost-free season.

Frost probability

RANDOLPH AFB · 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 Converse’s own odds, recorded at RANDOLPH AFB.

Frost-probability curves for ConverseProbability of the last spring frost and first fall frost by date at 32°F. The last spring frost is most likely around February 21 and the first fall frost around December 5, giving about 287 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 26Mar 6Feb 13Nov 4Nov 24Dec 10
32°FMar 14Feb 21Jan 10Nov 16Dec 5Jan 1
28°FMar 5Jan 26Dec 18Nov 28Dec 19Feb 1

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

Nearby weather stations

3 within 18 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.

RANDOLPH AFB
Primary
5 km · 232 m elevation
SPRING
Feb 21
FALL
Dec 5
SAN ANTONIO INCARNATE WORD
17 km · 213 m elevation
SPRING
Feb 25
FALL
Nov 28
SAN ANTONIO INTL AP
18 km · 241 m elevation
SPRING
Feb 26
FALL
Nov 28

Converse planting FAQ

When is the last spring frost in Converse, TX?

Plan for the last spring frost in Converse around February 21 (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 Converse, TX?

In Converse, the first 32°F freeze of fall lands around December 5 on average. Time your last harvests and any season-extension cover before it.

What hardiness zone is Converse in?

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

How long is the growing season in Converse?

There are roughly 287 frost-free days in Converse (a long growing season), running from the average last frost around February 21 to the first fall frost near December 5.

When should I plant tomatoes in Converse?

In Converse, start tomato seeds indoors around December 27–January 10, then transplant seedlings outdoors around February 28 once the danger of frost has passed.

Planting reminders

Never miss a window in Converse

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

Nearby cities

8 within reach

Frost dates recorded at RANDOLPH AFB, 5 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 Converse, TX — Frost Dates & Zone 9a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00012911. Retrieved from https://blissgarden.com/texas/converse.