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

Planting zone for 78472 — Corpus Christi, TX

ZIP code 78472 (Corpus Christi, Nueces County) is in USDA zone 10a: the coldest winter night averages 30 to 35 °F.

Where ZIP 78472 is

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.

Zone10a30 to 35 °F
Coldest night−1.1 to 1.7 °C
Last frostrare
First frostrare
2012 zone9b

Was 9b on the 2012 map — half a zone warmer now. The zone is the one at the center of the ZIP code; hilly ZIPs can span two zones. What zone 10a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Corpus Christi, 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

A 32 °F frost doesn't happen here in most winters. At the nearest station (NOAA station Corpus Christi, TX — 5 miles away, elevation 46 ft) the median growing season is 331 days. When frost does come, it is a midwinter night or two; cover tender plants when a freeze is forecast.

Frost data: NOAA NCEI U.S. Climate Normals 1991–2020.

When spring arrived in 2026

In 2026, spring leaf-out near 78472 came on Jan 10 — 9 days earlier than the 1991–2020 average (Jan 19).

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 10a in Texas

651 plants native to the lower 48 states, recorded in Texas, and rated by the USDA to survive 30 °F or colder — the bottom of zone 10a. Each links to its USDA PLANTS profile.

Trees 72

Shrubs 147

Wildflowers & perennials 212

Grasses 197

Vines 14

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 Corpus Christi, TX.

Soil in Corpus Christi, TX

The soil mapped at the center of ZIP 78472 is Raymondville — clay loam, moderately well drained.

TextureClay loamholds water and nutrients; slow to drain and warm up
pH8.2alkaline; most vegetables like 6.0–7.0
DrainageModerately well drainednatural drainage class
Organic matter2%moderate
Hydrologic groupCwater soaks in slowly
Farmland classprime farmlandUSDA classification

Map unit: Raymondville complex, 0 to 1 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 78472; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Corpus Christi, TX

Summer high95 °Faverage high, August
Winter low48 °Faverage low, January
Hot days123days a year at 90 °F or more
Freezing nights4nights a year at 32 °F or less
Growing degree days8,481base 50 °F — the season’s usable heat
Longest day13 h 54 mindaylight on June 21
Shortest day10 h 23 mindaylight on December 21
Onions to growShort-daysummer days stay under about 14 h 20 min, so long-day varieties won’t bulb
Precipitation31.7 inper year, rain and melted snow

Average high and low, by month

40°50°60°70°80°90°100°110°January: average high 68 °F, low 48 °F 68°48° JanFebruary: average high 72 °F, low 52 °F 72°52° FebMarch: average high 77 °F, low 58 °F 77°58° MarApril: average high 83 °F, low 64 °F 83°64° AprMay: average high 87 °F, low 71 °F 87°71° MayJune: average high 92 °F, low 75 °F 92°75° JunJuly: average high 94 °F, low 76 °F 94°76° JulAugust: average high 95 °F, low 76 °F 95°76° AugSeptember: average high 91 °F, low 73 °F 91°73° SepOctober: average high 85 °F, low 65 °F 85°65° OctNovember: average high 76 °F, low 56 °F 76°56° NovDecember: average high 70 °F, low 50 °F 70°50° Dec

Precipitation by month inches

0″1″2″3″4″5″6″January: 1.39 in precipitation 1.4 JanFebruary: 1.29 in precipitation 1.3 FebMarch: 2.28 in precipitation 2.3 MarApril: 2.04 in precipitation 2.0 AprMay: 3.38 in precipitation 3.4 MayJune: 3.56 in precipitation 3.6 JunJuly: 2.54 in precipitation 2.5 JulAugust: 2.75 in precipitation 2.8 AugSeptember: 5.42 in precipitation 5.4 SepOctober: 3.13 in precipitation 3.1 OctNovember: 2.03 in precipitation 2.0 NovDecember: 1.93 in precipitation, 0.2 in snowfall 1.9 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Corpus Christi, TX (5 mi away); precipitation: Corpus Christi, TX (5 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

3 of the 8 nearest ZIP codes are in a different zone — elevation and distance from water change winter lows quickly.

All 30 ZIP codes in Corpus Christi → · Texas planting zones →

Questions about 78472

What planting zone is ZIP code 78472?

ZIP code 78472 (Corpus Christi, TX) is in USDA hardiness zone 10a on the 2023 map: the coldest night of an average winter reaches 30 to 35 °F (−1.1 to 1.7 °C).

How much rain and snow does 78472 get?

About 31.7 inches of precipitation a year (NOAA 1991–2020 normals, Corpus Christi station).

How hot do summers get in Corpus Christi, TX?

The average high peaks at 95 °F in August, with about 123 days a year at 90 °F or more.

What kind of soil does 78472 have?

The USDA soil survey maps Raymondville at the center of ZIP 78472: clay loam, moderately well drained, pH about 8.2 (alkaline).

Did spring come early in Corpus Christi, TX in 2026?

Spring leaf-out near 78472 came on Jan 10 in 2026, 9 days earlier than the 1991–2020 average (Jan 19), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Corpus Christi, TX?

Short-day onions: the longest day near 78472 is 13 h 54 min, so summer days stay under about 14 h 20 min, so long-day varieties won’t bulb.

Did the zone for 78472 change?

Yes. The 2012 USDA map put 78472 in zone 9b; the 2023 map puts it in zone 10a. The newer map uses 1991–2020 data and more weather stations.