League 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.
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 League 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 League 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 League City — soil, climate, flood, and parcel records. How we handle your address.
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League City — the short answer
League City, Texas: USDA zone 9b, about 311 days between hard freezes, across 33K acres of city.
- USDA zone
- 9b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Jan 20
- Galveston County normal — NOAA 1991–2020, nearest to this town
- First hard freeze (28°F)
- Nov 27
- Galveston County normal — NOAA 1991–2020, nearest to this town
- Days between freezes
- ~311
- Galveston County normal — NOAA 1991–2020, nearest to this town
- City area
- 33K 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 Galveston County’s — the closest measured record, labelled as such rather than passed off as local.
Hardiness Zone Range
Zone 9b is League City's average, not your lot's — a low corner or a tree line moves it. Against League City's 311-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in League City
Each reading below is measured for League City itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
From county recordsLeague City runs about 311 days between hard freezes (read from Galveston County, the closest normal to League 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
MeasuredLeague 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 League City is in
League City sits in the Western Gulf Coastal Plain — EPA Level III, inside the wider Great Plains. That is read at League City's own centroid rather than borrowed from Galveston County.
What Grows in League City
Every plant below cleared League City's own zone 9b and its 311-day season. Each card opens that plant's Texas profile. How we score.
Is it too late to plant in League 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 20 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 27 — long-season crops need about 90 days of runway, quick greens only 30. With almost year-round growing weather, timing is about heat and rainfall more than frost — some bench is always in play.
What's on the federal record near League City
Closest first, within ~10 miles of League City. Listing isn't leaking, and distance isn't exposure.
- A-1 GLOBAL SERVICESBrownfields · 900 ft
- SMART CHOICE FOOD MARTUnderground Storage Tanks · 1200 ft
- LEAGUE CITY FLEET FACILITYUnderground Storage Tanks · 1400 ft
- LEAGUE CITY WHSEUnderground Storage Tanks · 1800 ft
- KROGER FUEL CENTER SW-144Underground Storage Tanks · 1900 ft
- KROGER #144-34Brownfields · 2000 ft
- UNITED PARCEL SERVICE, INC.Brownfields · 2300 ft
- AMOCO PIPELINEUnderground Storage Tanks · 2600 ft
- S AND K TRANSPORTATIONBrownfields · 0.6 mi
- LOWENCOUnderground Storage Tanks · 0.7 mi
- 7-ELEVEN STORE 40988Underground Storage Tanks · 0.7 mi
- GAS DUDEUnderground Storage Tanks · 0.7 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from League 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 League City.
Sources Checked
within ~10 miles of League City
Severity Distribution
within ~10 miles of League City
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around League City, two things run higher than the national average within ~10 miles of League City — PFAS (16 sites) and Superfund (15 sites). That's not a problem with your land — it's information about it.
PFAS: PFAS (per- and polyfluoroalkyl substances) are called "forever chemicals" because they do not biodegrade.
Superfund: Superfund sites represent the most severe contamination in the federal system.
Test irrigation water source — this is the primary pathway for PFAS to reach garden crops.
Commission professional soil testing before any food production (test for heavy metals, VOCs, and SVOCs).
Check your specific parcel in League 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 League City average
Your land is one point inside League City
Everything above resolves to League City as a whole — one PHZM band, read across 33K acres, with hard-freeze dates borrowed from Galveston 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 League City Average
League City Average
- ●USDA Zones 9b, averaged across League City
- ●One soil character for all of League City
- ●Frost dates read at League City's scale: Jan 20 to Nov 27
YOUR Parcel
- ✓Your exact zone, not League City's 9b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in League City
Pull a site-specific report for your exact address in League City, Texas — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that League City averages can't show:
We read public map data around League City — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the League City average
How we know this about League 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 Galveston 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 League City
When does frost risk typically end in League City?
The last hard freeze (28°F) in League City typically lands around Jan 20, 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 10.
When is the first frost in League City?
The first hard freeze (28°F) in League City typically arrives around Nov 27, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 13, so the watching starts about Oct 28 — about 311 days after the spring freeze cleared.
How long is the growing season in League City?
Measured between 28°F hard freezes, League City sees about 311 frost-free days — roughly Jan 20 through Nov 27, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Feb 10 to Nov 13, about 276 days.
Is the soil safe to grow vegetables in League City?
The federal record around League City runs heavier than most — 914 documented sites, mostly Underground Storage Tanks entries (544), the nearest Brownfields record about 0.2 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 League City?
From about Oct 28 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 Nov 27 (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 Nov 27. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at League City's scale — its 9b band and its 311-day season. Your yard writes its own version of League 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 League City’s own scale
5 of the readings below were taken at League City's own scale — the 32,870 acres it covers and 914 documented sites around it; 5 are borrowed from a wider read, named and linked below.
Measured here
- League City's own USDA hardiness band, zones 9bUSDA PHZM 2023
- 914 documented contamination sites on the federal record near League City, the closest Brownfields record about 0.2 miles out from the town centreFederal environmental registers
- League City's boundary and the 32,870 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 9b and a ~311-day seasonGrowable Ground crop-matching engine
- The ecoregion at League City's own centroid, the Western Gulf Coastal PlainUS EPA Level III Ecoregions
Inherited from a wider read
- The 28°F hard-freeze dates — League City has no normal of its own, so its county's is the closest measured readfrom Galveston County
- Soil character — no town-scale survey exists, so League City's 32,870 acres read through its county's SSURGO summaryfrom Galveston County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Galveston 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 Galveston County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among League City's 32,870 acreswhy one lot differs from the next →
- Which side of League 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 32,870 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Brownfields record about 0.2 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 League City-wide figureread your own land →
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