Frost dates · USDA zone 8a

Frost dates for San Angelo, TX

San Angelo, TX sees its last 32 °F night of spring around March 20 and its first of fall around November 10 — a 232-day freeze-free season in a typical year.

Mar 20Last spring frostmedian · 1 in 10 years after Apr 12
Nov 10First fall frostmedian · 1 in 10 years before Oct 28
232Freeze-free daysmedian year · ≥205 in 9 of 10
8aUSDA zone2023 map · ZIP 76909
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Pick a sauce; the Plan Builder runs this station's dates and hands back the calendar, plant count and gear list.

Freeze odds, by date

OddsLast spring freeze afterFirst fall freeze before
9 years in 10Mar 1Nov 28
Median — 1 year in 2Mar 20Nov 10
1 year in 10Apr 12Oct 28

The top row is the risky edge: in 9 years of 10 a spring freeze still comes after it, so tender transplants set out then need cover. The bottom row is the cautious date — only 1 year in 10 freezes after it — and the one to plan uncovered tender transplants against. Freeze-free season: 232 days median, at least 205 in 9 years of 10, at least 258 days in 1 year of 10. NOAA ranks season length year by year, so it is not the gap between two rows above. A hard freeze (28 °F) has a median last date of Mar 6 and first of Nov 22.

San Angelo planting calendar, 2027

Every row runs from the median last frost (Mar 20) and median first frost (Nov 10) above, using each cultivar's days to maturity. Same engine as the Plan Builder.

CropStart indoorsTransplant / plantFirst harvestDays
Hardneck GarlicSiberian (porcelain hardneck)—Oct 15prior fallJun 12240 from sow
Spanish OnionYellow Sweet Spanish (long-day)Dec 26Feb 20Jun 10110 from transplant
Mustard greensGarnet Giant (Brassica juncea)Direct sowMar 20Apr 1930 from sow
CilantroSlow Bolt (Coriandrum sativum)Mar 6Mar 6Apr 2045 from sow
Genovese BasilGenoveseFeb 20Apr 3Jun 260 from transplant
CayenneLong Slim Cayenne (Capsicum annuum)Jan 23Mar 27Jun 1075 from transplant
HabaneroOrange Habanero (Capsicum chinense)Jan 9Apr 3Jul 795 from transplant
JalapeñoEarly Jalapeño (Capsicum annuum)Jan 23Mar 27Jun 1075 from transplant
Marconi Red PepperMarconi Red (Capsicum annuum)Jan 23Mar 27Jun 1580 from transplant
SerranoSerrano Tampiqueño (Capsicum annuum)Jan 23Mar 27Jun 1580 from transplant
Nantes CarrotScarlet NantesMar 6Mar 6May 1570 from sow
TomatilloToma VerdeFeb 6Mar 27Jun 570 from transplant
Roma TomatoRoma VF (determinate paste)Feb 6Mar 27Jun 1075 from transplant
San Marzano TomatoSan Marzano (indeterminate paste)Feb 6Mar 27Jun 1580 from transplant

Tight means first harvest lands within two weeks of the median first fall frost: start that crop indoors on time or cover it in fall.

San Angelo frost questions

When is the last frost in San Angelo, TX?

The median last 32 °F freeze at SAN ANGELO, TX is March 20: half of years see a later one. One year in ten, a freeze still comes after April 12; nine years in ten, it comes after March 1. Source: NOAA NCEI 1991–2020 U.S. Climate Normals.

When is the first frost in San Angelo, TX?

The median first 32 °F freeze of fall is November 10. One year in ten it arrives before October 28; nine years in ten, before November 28.

How long is the growing season in San Angelo, TX?

232 days between the last spring and first fall 32 °F freeze in a median year. Nine years in ten the season runs at least 205 days; one year in ten, at least 258 days.

What growing zone is San Angelo, TX?

USDA hardiness zone 8a, per the 2023 USDA Plant Hardiness Zone Map for ZIP 76909. A zone describes the coldest winter night, not when frost ends, so it is the wrong number for a planting calendar — the frost dates on this page are the right one.

When should I plant tomatoes in San Angelo, TX?

Start Roma VF (determinate paste) seeds indoors around Feb 6 and transplant around Mar 27, 1 week after the median last frost. To cut the freeze risk to one year in ten, wait for Apr 12. First ripe fruit lands around Jun 10.

When should I plant peppers in San Angelo, TX?

Sow jalapeño indoors on a heat mat around Jan 23; transplant no earlier than Mar 27, and wait past it until nights hold above 50 °F — that can run weeks later. First green pods around Jun 10.

Nearby in Texas

All Texas frost dates → · How frost-date math drives a sowing calendar →