Data: 2023 USDA zones (PRISM/OSU) · NOAA 1991–2020 normals · updated

Planting zone for San Angelo, TX

San Angelo, TX is in USDA zone 8a across its 7 ZIP codes. The median last spring frost is March 20 and the first fall frost November 10.

San Angelo on the zone map

Outlined: its 6 ZIP code areas · tap the map for the zone at any spot · scroll or pinch to zoom

Not the official USDA Plant Hardiness Zone Map. Zones come from the 2023 USDA hardiness-zone data by the PRISM Group, Oregon State University; we re-mapped and recolored them. The official map is at planthardiness.ars.usda.gov.

Zone8a10 to 15 °F
ZIP codes7
Last frostMar 20
First frostNov 10
Growing season232 days

8a 7 ZIPs

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for San Angelo, TX…

Forecast data: National Weather Service (api.weather.gov), public domain. This is not a warning service — for official frost and freeze warnings see weather.gov.

Frost dates in San Angelo, TX

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMarch 20median — 50% chance of a later frost
Safe for tender plantsApril 12only 10% chance of frost after
First fall frostNovember 10median — 10% chance by Oct 28
Growing season232 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 6 and returns around November 22.

From the NOAA station San Angelo, TX, elevation 1,890 ft. NOAA NCEI U.S. Climate Normals 1991–2020, 32 °F threshold. Low spots and valleys can freeze later in spring than the station.

When to plant vegetables in San Angelo

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Feb 6 – Feb 20
SpinachSow outdoors · Feb 6 – Feb 27
Broccoli, cabbageStart indoors · Jan 9 – Jan 23
Broccoli, cabbageTransplant · Feb 27 – Mar 13
Onion setsPlant outdoors · Feb 20 – Mar 6
PotatoesPlant outdoors · Feb 27 – Mar 13
LettuceSow outdoors · Feb 20 – Mar 6
Carrots, beetsSow outdoors · Feb 27 – Mar 13
TomatoesStart indoors · Jan 23 – Feb 6
TomatoesTransplant · Mar 27 – Apr 10
Peppers, eggplantStart indoors · Jan 9 – Jan 23
Peppers, eggplantTransplant · Apr 3 – Apr 17
BeansSow outdoors · Mar 27 – Apr 10
Sweet cornSow outdoors · Mar 27 – Apr 10
Cucumbers, squashSow outdoors · Mar 27 – Apr 10
Fall lettuce, spinachSow outdoors · Sep 15 – Sep 29
GarlicPlant cloves · Oct 27 – Dec 1
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Mar 20) and first fall frost (Nov 10) with the rules of thumb U.S. extension services publish. Cool-season crops take a light frost; warm-season crops do best once the soil is above about 60 °F.

When spring arrived in 2026

In 2026, spring leaf-out near 76909 came on Feb 7 — 3 days later than the 1991–2020 average (Feb 4).

JanFebMarAprMayJun

The Spring Index marks the day when accumulated warmth is enough for lilac and honeysuckle to leaf out — a widely used signal that the growing season has started. Source: USA National Phenology Network, www.usanpn.org — Spring Indices, first leaf, 2026 (data as of 2026-09-08) and 30-year average 1991–2020 (CC BY 4.0).

Native plants for zone 8a in Texas

601 plants native to the lower 48 states, recorded in Texas, and rated by the USDA to survive 10 °F or colder — the bottom of zone 8a. Each links to its USDA PLANTS profile.

Trees 70

American basswood100 ft · blooms late spring · low shade tolerance · to −46 °FAmerican beech80 ft · blooms mid spring · low shade tolerance · to −44 °FAmerican elm120 ft · blooms early spring · medium shade tolerance · to −46 °FAmerican sycamore100 ft · blooms spring · medium shade tolerance · to −34 °FArizona cypress50 ft · blooms spring · low shade tolerance · to −23 °FArizona walnut50 ft · blooms late spring · high shade tolerance · to −33 °F

Shrubs 133

alderleaf mountain mahogany15 ft · blooms late spring · medium shade tolerance · to −41 °Faloe yucca15 ft · blooms early summer · medium shade tolerance · to −1 °FAmerican beautyberry6 ft · blooms early summer · medium shade tolerance · to −8 °FAmerican holly40 ft · blooms mid spring · low shade tolerance · to −20 °FAmerican hornbeam30 ft · blooms mid spring · low shade tolerance · to −34 °FAmerican snowbell10 ft · blooms spring · medium shade tolerance · to −16 °F

Wildflowers & perennials 200

alkali buttercup1 ft · blooms late spring · low shade tolerance · to −38 °Falpine mountainsorrel1 ft · blooms mid summer · medium shade tolerance · to −43 °FAmerican bur-reed3 ft · blooms indeterminate · medium shade tolerance · to −33 °FAmerican eelgrass1 ft · blooms mid summer · high shade tolerance · to −33 °FAmerican licorice4 ft · blooms late spring · medium shade tolerance · to −38 °FAmerican lotus3 ft · blooms mid summer · high shade tolerance · to −36 °F

Grasses 177

alkali sacaton3 ft · blooms mid summer · high shade tolerance · to −38 °FAmerican cupscale3 ft · blooms early summer · high shade tolerance · to −18 °FArizona cottontop4 ft · blooms late summer · high shade tolerance · to −13 °FArizona fescue2 ft · blooms late spring · high shade tolerance · to −23 °FArizona threeawn2 ft · blooms mid summer · high shade tolerance · to −3 °Fautumn bluegrass1.5 ft · blooms late spring · medium shade tolerance · to −8 °F

Vines 14

American bittersweet15 ft · blooms spring · low shade tolerance · to −38 °FAmerican wisteria50 ft · blooms spring · low shade tolerance · to −3 °Fcatbird grape30 ft · blooms late spring · medium shade tolerance · to −13 °Fcupseed30 ft · blooms late spring · low shade tolerance · to −3 °Fdevil's darning needles15 ft · blooms mid summer · medium shade tolerance · to −38 °Ffrost grape83 ft · blooms late spring · medium shade tolerance · to −23 °F

Source: USDA, NRCS. 2026. The PLANTS Database (plants.usda.gov), National Plant Data Team — state distribution, native status and the “Temperature, Minimum” characteristic. Check light, moisture and soil needs before buying; local nurseries and your state native plant society can confirm what thrives in San Angelo, TX.

Soil in San Angelo, TX

The soil mapped at the center of ZIP 76909 is Mereta — clay loam, well drained.

TextureClay loamholds water and nutrients; slow to drain and warm up
pH8.2alkaline; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter4.5%moderate
Hydrologic groupDwater soaks in very slowly
Farmland classNot prime farmlandUSDA classification

Map unit: Mereta-Urban land complex, 0 to 3 percent slopes.

Soil Survey Staff, Natural Resources Conservation Service, USDA. Soil Survey Geographic (SSURGO) Database, via Soil Data Access, accessed 2026-10-29. The soil at the center point of ZIP 76909; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in San Angelo, TX

Summer high97 °Faverage high, July
Winter low34 °Faverage low, January
Hot days119days a year at 90 °F or more
Freezing nights49nights a year at 32 °F or less
Growing degree days6,598base 50 °F — the season’s usable heat
Longest day14 h 12 mindaylight on June 21
Shortest day10 h 06 mindaylight on December 21
Onions to growShort-daysummer days stay under about 14 h 20 min, so long-day varieties won’t bulb
Precipitation22.6 inper year, rain and melted snow

Average high and low, by month

20°30°40°50°60°70°80°90°100°110°32 °FJanuary: average high 61 °F, low 34 °F 61°34° JanFebruary: average high 65 °F, low 38 °F 65°38° FebMarch: average high 73 °F, low 46 °F 73°46° MarApril: average high 82 °F, low 53 °F 82°53° AprMay: average high 89 °F, low 62 °F 89°62° MayJune: average high 94 °F, low 70 °F 94°70° JunJuly: average high 97 °F, low 72 °F 97°72° JulAugust: average high 97 °F, low 72 °F 97°72° AugSeptember: average high 89 °F, low 65 °F 89°65° SepOctober: average high 81 °F, low 54 °F 81°54° OctNovember: average high 69 °F, low 43 °F 69°43° NovDecember: average high 62 °F, low 35 °F 62°35° Dec

Precipitation by month inches

0″1″2″3″January: 1.07 in precipitation 1.1 JanFebruary: 1.31 in precipitation 1.3 FebMarch: 1.45 in precipitation 1.4 MarApril: 1.48 in precipitation 1.5 AprMay: 2.97 in precipitation 3.0 MayJune: 2.84 in precipitation 2.8 JunJuly: 1.63 in precipitation 1.6 JulAugust: 2.46 in precipitation 2.5 AugSeptember: 2.54 in precipitation 2.5 SepOctober: 2.43 in precipitation 2.4 OctNovember: 1.44 in precipitation 1.4 NovDecember: 0.96 in precipitation 1.0 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: San Angelo, TX (5 mi away); precipitation: San Angelo 2.2 Wsw, TX (within 1 mile). Daylight is calculated from latitude.

ZIP codes in San Angelo

769018a
10 to 15 °F
769028a
10 to 15 °F
769038a
10 to 15 °F
769048a
10 to 15 °F
769058a
10 to 15 °F
769068a
10 to 15 °F
769098a
10 to 15 °F

Texas planting zones →

Questions about San Angelo

What planting zone is San Angelo, TX?

San Angelo, TX is in USDA hardiness zone 8a on the 2023 map (8a: 10 to 15 °F).

When is the last frost in San Angelo, TX?

The median last spring frost is March 20 and the median first fall frost is November 10 (NOAA 1991–2020 normals, San Angelo station).

When can I plant a garden in San Angelo, TX?

Cool-season crops like peas and spinach go in around Feb 6 – Feb 27; tomatoes, peppers, beans and squash after about Mar 27, once frost risk has passed.

What kind of onions grow in San Angelo, TX?

Short-day onions: the longest day is 14 h 12 min, so summer days stay under about 14 h 20 min, so long-day varieties won’t bulb.

How much rain and snow does San Angelo, TX get?

About 22.6 inches of precipitation a year (NOAA 1991–2020 normals).