Granger, Texas, sits in USDA hardiness zone 9a — room for a real mix of vegetables, fruit, and perennials matched to the local frost calendar.
Expect artichoke, fig, california poppy, and cabbage to be strong candidates here; the deciding factors on any one parcel stay local — soil, sun, and drainage.
Even in Granger, 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 Granger 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 Granger — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Granger — the short answer
Granger, Texas: USDA zone 9a, about 292 days between hard freezes, across 427 acres of city.
- USDA zone
- 9a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Feb 13
- Williamson County normal — NOAA 1991–2020, nearest to this town
- First hard freeze (28°F)
- Dec 2
- Williamson County normal — NOAA 1991–2020, nearest to this town
- Days between freezes
- ~292
- Williamson County normal — NOAA 1991–2020, nearest to this town
- City area
- 427 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 Williamson County’s — the closest measured record, labelled as such rather than passed off as local.
Hardiness Zone Range
Zone 9a is Granger's average, not your lot's — a low corner or a tree line moves it. Against Granger's 292-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Granger
Each reading below is measured for Granger itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
From county recordsGranger runs about 292 days between hard freezes (read from Williamson County, the closest normal to Granger) — 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
MeasuredGranger sits in USDA hardiness zone 9a.
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 Granger is in
Granger sits in the Texas Blackland Prairies — EPA Level III, inside the wider Great Plains. That is read at Granger's own centroid rather than borrowed from Williamson County.
What Grows in Granger
Every plant below cleared Granger's own zone 9a and its 292-day season. Each card opens that plant's Texas profile. How we score.
Is it too late to plant in Granger?
Almost never — the real question is what to plant next. Cool-season crops can go in from around Jan 16; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Feb 13 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Dec 2 — 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 Granger
Closest first, within ~10 miles of Granger. Listing isn't leaking, and distance isn't exposure.
- CERVENKAS TEXACOUnderground Storage Tanks · 350 ft
- GINAS KWIK PANTRYUnderground Storage Tanks · 950 ft
- ZK-58-21-204Nitrate · 1200 ft
- GRANGER NATIONAL BANKUnderground Storage Tanks · 1200 ft
- GRANGER FOOD MARTUnderground Storage Tanks · 1400 ft
- PAYLESS 880Underground Storage Tanks · 5.1 mi
- DUCHESS EXXON 4Underground Storage Tanks · 5.3 mi
- BARTLETT ELECTRIC COOPUnderground Storage Tanks · 5.3 mi
- CITY OF BARTLETTUnderground Storage Tanks · 5.3 mi
- CIRCLEVILLE GENERAL STOREUnderground Storage Tanks · 5.5 mi
- ONE STOP 3Underground Storage Tanks · 5.6 mi
- CITY OF BARTLETTPFAS · 5.6 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Granger'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 Granger.
Total Sites
48
within ~10 miles of Granger
Risk Level
Moderate
Highest-severity
3 Toxics Release Inventory facilities
Sources Checked
within ~10 miles of Granger
Severity Distribution
within ~10 miles of Granger
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Granger, two things run higher than the national average within ~10 miles of Granger — Underground Storage Tanks (36 sites) and Toxics Release Inventory (3 sites). Knowing it is half the work — and it's nothing a thoughtful grower can't plan for.
Underground Storage Tanks: Underground storage tanks are the single most common source of soil contamination near homes and gardens.
Toxics Release Inventory: TRI facilities report annual chemical releases to air, water, and land.
Use raised beds with imported soil — this eliminates the primary soil-contact pathway.
Check prevailing wind direction — downwind parcels face higher exposure than upwind or crosswind locations.
Check your specific parcel in Granger
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 Granger average
Your land is one point inside Granger
Everything above resolves to Granger as a whole — one PHZM band, read across 427 acres, with hard-freeze dates borrowed from Williamson 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 Granger Average
Granger Average
- ●USDA Zones 9a, averaged across Granger
- ●One soil character for all of Granger
- ●Frost dates read at Granger's scale: Feb 13 to Dec 2
YOUR Parcel
- ✓Your exact zone, not Granger's 9a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Granger
Pull a site-specific report for your exact address in Granger, Texas — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Granger averages can't show:
We read public map data around Granger — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Granger average
How we know this about Granger
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 Williamson 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 Granger
When does frost risk typically end in Granger?
The last hard freeze (28°F) in Granger typically lands around Feb 13, 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 Mar 6.
When is the first frost in Granger?
The first hard freeze (28°F) in Granger typically arrives around Dec 2, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 18, so the watching starts about Nov 2 — about 292 days after the spring freeze cleared.
How long is the growing season in Granger?
Measured between 28°F hard freezes, Granger sees about 292 frost-free days — roughly Feb 13 through Dec 2, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Mar 6 to Nov 18, about 257 days.
Is the soil safe to grow vegetables in Granger?
The federal record around Granger shows 48 documented sites, mostly Underground Storage Tanks entries (36), the nearest Underground Storage Tanks record under a tenth of a mile out — a typical footprint for a growing area, and proximity to a documented site is information, not a diagnosis of any one yard. It's worth seeing which recorded sites sit closest to where you grow, and testing the soil before new food beds near any of them.
How do I protect my plants from frost in Granger?
From about Nov 2 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 2 (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 2. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Granger's scale — its 9a band and its 292-day season. Your yard writes its own version of Granger'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 Granger’s own scale
5 of the readings below were taken at Granger's own scale — the 427 acres it covers and 48 documented sites around it; 5 are borrowed from a wider read, named and linked below.
Measured here
- Granger's own USDA hardiness band, zones 9aUSDA PHZM 2023
- 48 documented contamination sites on the federal record near Granger, the closest Underground Storage Tanks record under a tenth of a mile out from the town centreFederal environmental registers
- Granger's boundary and the 427 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 9a and a ~292-day seasonGrowable Ground crop-matching engine
- The ecoregion at Granger's own centroid, the Texas Blackland PrairiesUS EPA Level III Ecoregions
Inherited from a wider read
- The 28°F hard-freeze dates — Granger has no normal of its own, so its county's is the closest measured readfrom Williamson County
- Soil character — no town-scale survey exists, so Granger's 427 acres read through its county's SSURGO summaryfrom Williamson County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Williamson 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 Williamson County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Granger's 427 acreswhy one lot differs from the next →
- Which side of Granger you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 427 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record under a tenth of a mile 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 Granger-wide figureread your own land →
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