Jacinto City, Texas, sits in USDA hardiness zone 9b — enough range to grow cool-season vegetables, hardy fruit, and warm-season crops that mature before the first hard frost.
The conditions favor okra, meyer lemon, california poppy, and artichoke, among others — though every individual site edits that list with its own soil, sun, and drainage.
Even in Jacinto City, 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 Jacinto City 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 Jacinto City — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Jacinto City — the short answer
Jacinto City, Texas: USDA zone 9b, about 323 days between hard freezes, across 1K acres of city.
- USDA zone
- 9b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Jan 28
- Harris County normal — NOAA 1991–2020, nearest to this town
- First hard freeze (28°F)
- Dec 17
- Harris County normal — NOAA 1991–2020, nearest to this town
- Days between freezes
- ~323
- Harris County normal — NOAA 1991–2020, nearest to this town
- City area
- 1K 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 Harris County’s — the closest measured record, labelled as such rather than passed off as local.
Hardiness Zone Range
Zone 9b is Jacinto City's average, not your lot's — a low corner or a tree line moves it. Against Jacinto City's 323-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Jacinto City
Each reading below is measured for Jacinto City itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
From county recordsJacinto City runs about 323 days between hard freezes (read from Harris County, the closest normal to Jacinto City) — 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
MeasuredJacinto City sits in USDA hardiness zone 9b.
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
The kind of country Jacinto City is in
Jacinto City sits in the Western Gulf Coastal Plain — EPA Level III, inside the wider Great Plains. That is read at Jacinto City's own centroid rather than borrowed from Harris County.
What Grows in Jacinto City
Every plant below cleared Jacinto City's own zone 9b and its 323-day season. Each card opens that plant's Texas profile. How we score.
Is it too late to plant in Jacinto City?
Almost never — the real question is what to plant next. 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 28 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Dec 17 — long-season crops need about 90 days of runway, quick greens only 30. Here the calendar nearly circles: cool-season crops take the winter shift, and the next window is always close.
Documented around Jacinto City
Survey cells within 31 miles of Jacinto City checked for spotted lanternfly, none carrying a detection — a surveyed negative, not an absence of looking. Nearest documented record 470 miles off. What to watch for.
What's on the federal record near Jacinto City
Closest first, within ~10 miles of Jacinto City. Listing isn't leaking, and distance isn't exposure.
- STOP N DRIVE FOOD MARTUnderground Storage Tanks · 550 ft
- DRY CLEAN SUPER CENTERBrownfields · 650 ft
- JACINTO CITY POLICE DEPTUnderground Storage Tanks · 1200 ft
- REYNA AUTO SERVICEUnderground Storage Tanks · 1300 ft
- JOES GAS N GROCERYUnderground Storage Tanks · 1600 ft
- MARKET STOP FOOD MARTUnderground Storage Tanks · 1800 ft
- JACKS GROCERY 18Underground Storage Tanks · 2100 ft
- CHEVRON FAC 107993Underground Storage Tanks · 2100 ft
- COME & SAVE FOOD STOREUnderground Storage Tanks · 2100 ft
- STOP N GO MARKETS 1245Underground Storage Tanks · 2100 ft
- STAR CORNER 3Underground Storage Tanks · 2200 ft
- JC MARKET & DELIUnderground Storage Tanks · 2300 ft
6 more sites are on the record inside the same radius. See them on the map
Measured from Jacinto City'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 Jacinto City.
Sources Checked
within ~10 miles of Jacinto City
Severity Distribution
within ~10 miles of Jacinto City
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Jacinto City, two things run higher than the national average within ~10 miles of Jacinto City — Toxics Release Inventory (422 sites) and Underground Storage Tanks (3,015 sites). That's not a problem with your land — it's information about it.
Toxics Release Inventory: TRI facilities report annual chemical releases to air, water, and land.
Underground Storage Tanks: Underground storage tanks are the single most common source of soil contamination near homes and gardens.
Check prevailing wind direction — downwind parcels face higher exposure than upwind or crosswind locations.
Use raised beds with imported soil — this eliminates the primary soil-contact pathway.
Check your specific parcel in Jacinto City
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 Jacinto City average
Your land is one point inside Jacinto City
Everything above resolves to Jacinto City as a whole — one PHZM band, read across 1K acres, with hard-freeze dates borrowed from Harris 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 Jacinto City Average
Jacinto City Average
- ●USDA Zones 9b, averaged across Jacinto City
- ●One soil character for all of Jacinto City
- ●Frost dates read at Jacinto City's scale: Jan 28 to Dec 17
YOUR Parcel
- ✓Your exact zone, not Jacinto City's 9b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Jacinto City
Pull a site-specific report for your exact address in Jacinto City, Texas — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Jacinto City averages can't show:
We read public map data around Jacinto City — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Jacinto City average
How we know this about Jacinto City
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 Harris 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 Jacinto City
When does frost risk typically end in Jacinto City?
The last hard freeze (28°F) in Jacinto City typically lands around Jan 28, 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 18.
When is the first frost in Jacinto City?
The first hard freeze (28°F) in Jacinto City typically arrives around Dec 17, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Dec 3, so the watching starts about Nov 17 — about 323 days after the spring freeze cleared.
How long is the growing season in Jacinto City?
Measured between 28°F hard freezes, Jacinto City sees about 323 frost-free days — roughly Jan 28 through Dec 17, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Feb 18 to Dec 3, about 288 days.
Is the soil safe to grow vegetables in Jacinto City?
The federal record around Jacinto City runs heavier than most — 4,499 documented sites, mostly Underground Storage Tanks entries (3,015), the nearest Underground Storage Tanks record about 0.1 miles out — so test the soil before planting food in the ground, and raised beds with clean imported soil grow well in the meantime. Even here, proximity to a documented site is information, not a diagnosis of any one yard; the contamination map shows exactly what's recorded and where.
How do I protect my plants from frost in Jacinto City?
From about Nov 17 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 17 (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 17. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Jacinto City's scale — its 9b band and its 323-day season. Your yard writes its own version of Jacinto City'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 Jacinto City’s own scale
6 of the readings below were taken at Jacinto City's own scale — the 1,186 acres it covers and 4,499 documented sites around it; 5 are borrowed from a wider read, named and linked below.
Measured here
- Jacinto City's own USDA hardiness band, zones 9bUSDA PHZM 2023
- 4,499 documented contamination sites on the federal record near Jacinto City, the closest Underground Storage Tanks record about 0.1 miles out from the town centreFederal environmental registers
- Jacinto City's boundary and the 1,186 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 9b and a ~323-day seasonGrowable Ground crop-matching engine
- The ecoregion at Jacinto City's own centroid, the Western Gulf Coastal PlainUS EPA Level III Ecoregions
- Lanternfly survey cells around Jacinto City checked, none carrying a detectionlydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- The 28°F hard-freeze dates — Jacinto City has no normal of its own, so its county's is the closest measured readfrom Harris County
- Soil character — no town-scale survey exists, so Jacinto City's 1,186 acres read through its county's SSURGO summaryfrom Harris County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Harris 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 Harris County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Jacinto City's 1,186 acreswhy one lot differs from the next →
- Which side of Jacinto City you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 1,186 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 0.1 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 Jacinto City-wide figureread your own land →
More in Texas
Wider growing context
What grows across TexasJacinto City sits outside our named growing regions, so Texas as a whole is its closest context here.
Nearby growing guides