Corpus Christi, Texas, sits in USDA hardiness zone 10a — a zone band wide enough that plant choice, not possibility, is the interesting question.
Reliable performers under these conditions include okra, meyer lemon, california poppy, and artichoke; what your own ground favors still comes down to its soil, sun, and drainage.
Even in Corpus Christi, no two yards are alike.
A low spot, a south-facing slope, or a stand of trees moves the frost date and sun across a single Corpus Christi lot. Enter your address and we'll score 1,086 plants against your land's actual soil, sun, and frost.
We read public map data around Corpus Christi — soil, climate, flood, and parcel records. How we handle your address.
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Corpus Christi — the short answer
Corpus Christi, Texas: USDA zone 10a, about 326 days between hard freezes, across 107K acres of city.
- USDA zone
- 10a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Jan 26
- Nueces County normal — NOAA 1991–2020, nearest to this town
- First hard freeze (28°F)
- Dec 18
- Nueces County normal — NOAA 1991–2020, nearest to this town
- Days between freezes
- ~326
- Nueces County normal — NOAA 1991–2020, nearest to this town
- City area
- 107K acres
- US Census TIGER/Line 2025
Every figure names the dataset it came from. No 30-year normal resolves at this town’s own centroid, so the hard-freeze dates are Nueces County’s — the closest measured record, labelled as such rather than passed off as local.
Hardiness Zone Range
Zone 10a is Corpus Christi's average, not your lot's — a low corner or a tree line moves it. Against Corpus Christi's 326-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Corpus Christi
Each reading below is measured for Corpus Christi itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
From county recordsCorpus Christi runs about 326 days between hard freezes (read from Nueces County, the closest normal to Corpus Christi) — close to year-round growing.
Frost is rarely the limit here; winter plantings are as real as summer ones, and the harder question is which crops shrug off the summer heat.
Grow cool-season crops through the mild winter, and choose heat-tolerant varieties for the summer beds.
NOAA 1991–2020 Climate Normals
Winter hardiness
MeasuredCorpus Christi sits in USDA hardiness zone 10a.
The zone sets which perennials, shrubs, and fruit trees live through an average winter here — a plant rated for a colder zone is a safe bet, one rated warmer needs winter protection or gets treated as an annual.
Match perennials and fruit to the zone before you buy, so nothing you plant is a gamble against the cold.
USDA PHZM 2023
What Grows in Corpus Christi
Every plant below cleared Corpus Christi's own zone 10a and its 326-day season. Each card opens that plant's Texas profile. How we score.
Is it too late to plant in Corpus Christi?
Usually not — gardeners here simply switch what goes in the ground as the season moves. Cool-season crops can go in from around Jan 1; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Jan 26 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Dec 18 — long-season crops need about 90 days of runway, quick greens only 30. In a climate this gentle, “too late” hardly applies — the question becomes which crops prefer the cooler months ahead.
What's on the federal record near Corpus Christi
Closest first, within ~10 miles of Corpus Christi. Listing isn't leaking, and distance isn't exposure.
- NUECES COUNTY WCID 4PFAS · 3.0 mi
- UB-83-23-601Nitrate · 4.1 mi
- FHR INGLESIDE MARINE TERMINAL FACILITYToxics Release Inventory · 4.9 mi
- FLINT HILLS RESOURCES - INGLESIDE TERMINALToxics Release Inventory · 5.1 mi
- FLINT HILLS RESOURCES - INGLESIDE TERMINALBrownfields · 5.1 mi
- INFORMATION TECHNOLOGY SOLUTIONSBrownfields · 5.2 mi
- ENBRIDGE INGLESIDE ENERGY CENTERToxics Release Inventory · 5.3 mi
- MODA INGLESIDE ENERGY CENTERToxics Release Inventory · 5.3 mi
- OXY IGLESIDE ENERGY CENTER, LLCBrownfields · 5.3 mi
- BRASWELL SERVICES GROUPBrownfields · 5.9 mi
- BAYSIDE MARKETUnderground Storage Tanks · 6.4 mi
- SUN MARINE TERMINALS INGLESIDEUnderground Storage Tanks · 6.5 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Corpus Christi's center, not your beds. Run your own address for what's upwind of you specifically.
Environmental Intelligence
The counts behind that headline — every source type on the record near Corpus Christi.
Sources Checked
within ~10 miles of Corpus Christi
Severity Distribution
within ~10 miles of Corpus Christi
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Corpus Christi, two things run higher than the national average within ~10 miles of Corpus Christi — PFAS (3 sites) and Toxics Release Inventory (10 sites). It's not cause for alarm — it's worth knowing, and there's a sensible way to grow around it.
PFAS: PFAS (per- and polyfluoroalkyl substances) are called "forever chemicals" because they do not biodegrade.
Toxics Release Inventory: TRI facilities report annual chemical releases to air, water, and land.
Test irrigation water source — this is the primary pathway for PFAS to reach garden crops.
Check prevailing wind direction — downwind parcels face higher exposure than upwind or crosswind locations.
Check your specific parcel in Corpus Christi
Get exact proximity distances to contamination sources for your specific parcel — plus soil, sun, drainage, and 1,086 plant recommendations.
25+ data sources read at your address, not the Corpus Christi average
Your land is one point inside Corpus Christi
Everything above resolves to Corpus Christi as a whole — one PHZM band, read across 107K acres, with hard-freeze dates borrowed from Nueces County’s record because no 30-year normal resolves at this city’s own centroid. Your parcel is one point inside that footprint. Slope, tree cover, a low spot that pools cold air, and what is in the soil are all resolved at the address, and none of them are visible at city scale. That is the honest boundary of this page, and the reason the next step is a reading of your own ground rather than a better local average.
Your Lot vs the Corpus Christi Average
Corpus Christi Average
- ●USDA Zones 10a, averaged across Corpus Christi
- ●One soil character for all of Corpus Christi
- ●Frost dates read at Corpus Christi's scale: Jan 26 to Dec 18
YOUR Parcel
- ✓Your exact zone, not Corpus Christi's 10a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Corpus Christi
Pull a site-specific report for your exact address in Corpus Christi, Texas — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Corpus Christi averages can't show:
We read public map data around Corpus Christi — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Corpus Christi average
How we know this about Corpus Christi
The datasets: hardiness from the USDA ARS Plant Hardiness Zone Map 2023, read at this city’s own centroid; hard-freeze dates from NOAA 1991–2020 28°F normals at Nueces County’s record, because none resolves here; boundaries and acreage from US Census TIGER/Line 2025; the contamination records from the federal sources named in their beats above. Soil is not read at city grain anywhere on this page — there is no city-resolution survey in our data, which is why you will find no soil grid here rather than a statewide one wearing a local label. The resolution ledger below names every figure this page inherited.
Common questions about Corpus Christi
When does frost risk typically end in Corpus Christi?
The last hard freeze (28°F) in Corpus Christi typically lands around Jan 26, per NOAA 1991–2020 climate normals — earlier than the light-frost dates most charts quote. That marks the hard freeze, not the last light frost — lighter frosts keep biting past it, which is why tender transplants here wait until about Feb 16.
When is the first frost in Corpus Christi?
The first hard freeze (28°F) in Corpus Christi typically arrives around Dec 18, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Dec 4, so the watching starts about Nov 18 — about 326 days after the spring freeze cleared.
How long is the growing season in Corpus Christi?
Measured between 28°F hard freezes, Corpus Christi sees about 326 frost-free days — roughly Jan 26 through Dec 18, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Feb 16 to Dec 4, about 291 days.
Is the soil safe to grow vegetables in Corpus Christi?
The federal record around Corpus Christi is a meaningful one — 137 documented sites, mostly Underground Storage Tanks entries (88), the nearest PFAS record about 3.0 miles out — so a soil test before new food beds is a sensible precaution here, not a reason to hold back from growing. Remember that proximity to a documented site is information, not a diagnosis of any one yard; the contamination map shows exactly what sits where.
How do I protect my plants from frost in Corpus Christi?
From about Nov 18 the job here turns from planting to protecting — the last start even a 30-day crop can finish. As the season closes around the first 28°F hard freeze near Dec 18 (NOAA 1991–2020 climate normals), three moves buy time: row cover or an old sheet over tender plants on still, clear nights; water the soil the afternoon before a freeze, so it holds warmth overnight; and harvest tomatoes, peppers and basil before Dec 18. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Corpus Christi's scale — its 10a band and its 326-day season. Your yard writes its own version of Corpus Christi's numbers: we read soil, sun, drainage and frost at your exact address. Try it for 14 days — no card required.
What this page reads at Corpus Christi’s own scale
4 of the readings below were taken at Corpus Christi's own scale — the 106,515 acres it covers and 137 documented sites around it; 5 are borrowed from a wider read, named and linked below.
Measured here
- Corpus Christi's own USDA hardiness band, zones 10aUSDA PHZM 2023
- 137 documented contamination sites on the federal record near Corpus Christi, the closest PFAS record about 3.0 miles out from the town centreFederal environmental registers
- Corpus Christi's boundary and the 106,515 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 10a and a ~326-day seasonGrowable Ground crop-matching engine
Inherited from a wider read
- The 28°F hard-freeze dates — Corpus Christi has no normal of its own, so its county's is the closest measured readfrom Nueces County
- Soil character — no town-scale survey exists, so Corpus Christi's 106,515 acres read through its county's SSURGO summaryfrom Nueces County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Nueces County
- The growing challenges every Texas grower plans around — written at state scale, so they stay on the state guidefrom Texas
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Nueces County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Corpus Christi's 106,515 acreswhy one lot differs from the next →
- Which side of Corpus Christi you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 106,515 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest PFAS record about 3.0 miles out, measured from the town centrehow we read the record →
- Where cold air settles, which slopes face the sun, and which way the wind runs on your own ground — measured at your address, and averaged away by any Corpus Christi-wide figureread your own land →