Garceno, Texas, sits in USDA hardiness zone 9b — a range where zone-matched perennials and frost-aware annual timing set what succeeds.
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 Garceno, 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 Garceno 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 Garceno — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Garceno — the short answer
Garceno, Texas: USDA zone 9b, about 322 days between hard freezes, across 147 acres of town.
- USDA zone
- 9b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Jan 21
- Starr County normal — NOAA 1991–2020, nearest to this town
- First hard freeze (28°F)
- Dec 9
- Starr County normal — NOAA 1991–2020, nearest to this town
- Days between freezes
- ~322
- Starr County normal — NOAA 1991–2020, nearest to this town
- Town area
- 147 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 Starr County’s — the closest measured record, labelled as such rather than passed off as local.
Hardiness Zone Range
Zone 9b is Garceno's average, not your lot's — a low corner or a tree line moves it. Against Garceno's 322-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Garceno
Each reading below is measured for Garceno itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
From county recordsGarceno runs about 322 days between hard freezes (read from Starr County, the closest normal to Garceno) — 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
MeasuredGarceno 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 Garceno is in
Garceno sits in the Southern Texas Plains — EPA Level III, inside the wider Great Plains. That is read at Garceno's own centroid rather than borrowed from Starr County.
What Grows in Garceno
Every plant below cleared Garceno's own zone 9b and its 322-day season. Each card opens that plant's Texas profile. How we score.
Is it too late to plant in Garceno?
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 21 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Dec 9 — 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.
What's on the federal record near Garceno
Closest first, within ~10 miles of Garceno. Listing isn't leaking, and distance isn't exposure.
- R&R KWIK STOPUnderground Storage Tanks · 2000 ft
- RIO GRANDE CITY US ARMY RESERVE CTRUnderground Storage Tanks · 2000 ft
- SILVER MINE DRIVE INN GROCERYUnderground Storage Tanks · 2500 ft
- 7-ELEVEN 59488Underground Storage Tanks · 1.0 mi
- CARLOS GROCERY STOREUnderground Storage Tanks · 1.2 mi
- RAZEEBA MARTUnderground Storage Tanks · 1.3 mi
- PUEBLO EXPRESS MARTUnderground Storage Tanks · 1.8 mi
- TILOS DRIVE THRUUnderground Storage Tanks · 2.1 mi
- ROMA ISDUnderground Storage Tanks · 2.3 mi
- THE RANCH STOREUnderground Storage Tanks · 2.5 mi
- 7-ELEVEN STORE 40600Underground Storage Tanks · 2.6 mi
- EL TIGRE FOOD STORE 3Underground Storage Tanks · 2.6 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Garceno'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 Garceno.
Total Sites
76
within ~10 miles of Garceno
Risk Level
Moderate
Highest-severity
1 concentrated animal feeding operation
Sources Checked
within ~10 miles of Garceno
Severity Distribution
within ~10 miles of Garceno
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Garceno, Underground Storage Tanks runs higher than the national average — 70 sites within ~10 miles of Garceno. It's not cause for alarm — it's worth knowing, and there's a sensible way to grow around it.
Underground Storage Tanks: Underground storage tanks are the single most common source of soil contamination near homes and gardens.
Use raised beds with imported soil — this eliminates the primary soil-contact pathway.
Check your specific parcel in Garceno
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 Garceno average
Your land is one point inside Garceno
Everything above resolves to Garceno as a whole — one PHZM band, read across 147 acres, with hard-freeze dates borrowed from Starr County’s record because no 30-year normal resolves at this town’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 town 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 Garceno Average
Garceno Average
- ●USDA Zones 9b, averaged across Garceno
- ●One soil character for all of Garceno
- ●Frost dates read at Garceno's scale: Jan 21 to Dec 9
YOUR Parcel
- ✓Your exact zone, not Garceno's 9b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Garceno
Pull a site-specific report for your exact address in Garceno, Texas — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Garceno averages can't show:
We read public map data around Garceno — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Garceno average
How we know this about Garceno
The datasets: hardiness from the USDA ARS Plant Hardiness Zone Map 2023, read at this town’s own centroid; hard-freeze dates from NOAA 1991–2020 28°F normals at Starr 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 town grain anywhere on this page — there is no town-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 Garceno
When does frost risk typically end in Garceno?
The last hard freeze (28°F) in Garceno typically lands around Jan 21, 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 11.
When is the first frost in Garceno?
The first hard freeze (28°F) in Garceno typically arrives around Dec 9, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 25, so the watching starts about Nov 9 — about 322 days after the spring freeze cleared.
How long is the growing season in Garceno?
Measured between 28°F hard freezes, Garceno sees about 322 frost-free days — roughly Jan 21 through Dec 9, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Feb 11 to Nov 25, about 287 days.
Is the soil safe to grow vegetables in Garceno?
The federal record around Garceno shows 76 documented sites, mostly Underground Storage Tanks entries (70), the nearest Underground Storage Tanks record about 0.4 miles 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 Garceno?
From about Nov 9 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 9 (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 9. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Garceno's scale — its 9b band and its 322-day season. Your yard writes its own version of Garceno'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 Garceno’s own scale
5 of the readings below were taken at Garceno's own scale — the 147 acres it covers and 76 documented sites around it; 5 are borrowed from a wider read, named and linked below.
Measured here
- Garceno's own USDA hardiness band, zones 9bUSDA PHZM 2023
- 76 documented contamination sites on the federal record near Garceno, the closest Underground Storage Tanks record about 0.4 miles out from the town centreFederal environmental registers
- Garceno's boundary and the 147 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 9b and a ~322-day seasonGrowable Ground crop-matching engine
- The ecoregion at Garceno's own centroid, the Southern Texas PlainsUS EPA Level III Ecoregions
Inherited from a wider read
- The 28°F hard-freeze dates — Garceno has no normal of its own, so its county's is the closest measured readfrom Starr County
- Soil character — no town-scale survey exists, so Garceno's 147 acres read through its county's SSURGO summaryfrom Starr County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Starr 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 Starr County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Garceno's 147 acreswhy one lot differs from the next →
- Which side of Garceno you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 147 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 0.4 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 Garceno-wide figureread your own land →
More in Texas
Growing region
Nearby growing guides