Grandfalls, Texas, sits in USDA hardiness zone 8a — a range where zone-matched perennials and frost-aware annual timing set what succeeds.
Reliable performers under these conditions include cabbage, fig, california poppy, and collard greens; what your own ground favors still comes down to its soil, sun, and drainage.
Even in Grandfalls, 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 Grandfalls 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 Grandfalls — soil, climate, flood, and parcel records. How we handle your address.
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Grandfalls — the short answer
Grandfalls, Texas: USDA zone 8a, about 254 days between hard freezes, across 346 acres of town.
- USDA zone
- 8a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 7
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 16
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~254
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 346 acres
- US Census TIGER/Line 2025
Every figure names the dataset it came from. Hard-freeze dates are this town’s own 28°F normals: light frosts run a few weeks past them, and tender transplants usually wait 2–3 weeks after the last hard freeze.
Hardiness Zone Range
Zone 8a is Grandfalls's average, not your lot's — a low corner or a tree line moves it. Against Grandfalls's 254-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Grandfalls
Each reading below is measured for Grandfalls itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredGrandfalls runs about 254 days between hard freezes — a long growing season.
There is slack for succession plantings and slow-finishing crops: many vegetables can be sown twice, and the heat-lovers have time to ripen fully.
Plan a second sowing of quick crops after the first comes out, and use the fall window most gardeners let sit idle.
NOAA 1991–2020 Climate Normals
Winter hardiness
MeasuredGrandfalls sits in USDA hardiness zone 8a.
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 Grandfalls is in
Grandfalls sits in the Chihuahuan Deserts — EPA Level III, inside the wider North American Deserts. That is read at Grandfalls's own centroid rather than borrowed from Ward County.
What Grows in Grandfalls
Every plant below cleared Grandfalls's own zone 8a and its 254-day season. Each card opens that plant's Texas profile. How we score.
Is it too late to plant in Grandfalls?
Too late for some crops, right on time for others — a growing season is a sequence, not a deadline. Cool-season crops can go in from around Feb 7; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 7 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 16 — long-season crops need about 90 days of runway, quick greens only 30. With a season this long, “too late” mostly means “switch crops” — second sowings and a full fall garden are the norm, with garlic closing the year.
What's on the federal record near Grandfalls
Closest first, within ~10 miles of Grandfalls. Listing isn't leaking, and distance isn't exposure.
- ALLSUPS 275Underground Storage Tanks · 400 ft
- T-STOP 4Underground Storage Tanks · 800 ft
- GRANDFALLS ROYALTY ISDUnderground Storage Tanks · 900 ft
- VACANT BUILDINGUnderground Storage Tanks · 1.0 mi
- COLONIAL FOOD STORESUnderground Storage Tanks · 1.2 mi
- US-45-49-203Nitrate · 8.3 mi
- OAHU GAS PLANTToxics Release Inventory · 9.5 mi
Measured from Grandfalls'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 Grandfalls.
Total Sites
8
within ~10 miles of Grandfalls
Risk Level
Low
Highest-severity
1 Toxics Release Inventory facility
Sources Checked
within ~10 miles of Grandfalls
Severity Distribution
within ~10 miles of Grandfalls
Highest-Severity Sites
Know Before You Grow
- •Underground tanks leak petroleum as they age — near a former filling station, test the soil.
- •On a private well, test for nitrates: above 10 mg/L the water needs treatment before irrigating.
- •TRI facilities report what they release. Check the wind — downwind beds catch more of it.
Check your specific parcel in Grandfalls
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 Grandfalls average
Your land is one point inside Grandfalls
Everything above resolves to Grandfalls as a whole — one PHZM band and one 28°F frost record, read across 346 acres. 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 Grandfalls Average
Grandfalls Average
- ●USDA Zones 8a, averaged across Grandfalls
- ●One soil character for all of Grandfalls
- ●Frost dates read at Grandfalls's scale: Mar 7 to Nov 16
YOUR Parcel
- ✓Your exact zone, not Grandfalls's 8a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Grandfalls
Pull a site-specific report for your exact address in Grandfalls, Texas — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Grandfalls averages can't show:
We read public map data around Grandfalls — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Grandfalls average
How we know this about Grandfalls
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 Grandfalls’s own record; 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 Grandfalls
When does frost risk typically end in Grandfalls?
The last hard freeze (28°F) in Grandfalls typically lands around Mar 7, 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 28.
When is the first frost in Grandfalls?
The first hard freeze (28°F) in Grandfalls typically arrives around Nov 16, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 2, so the watching starts about Oct 17 — about 254 days after the spring freeze cleared.
How long is the growing season in Grandfalls?
Measured between 28°F hard freezes, Grandfalls sees about 254 frost-free days — roughly Mar 7 through Nov 16, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Mar 28 to Nov 2, about 219 days.
Is the soil safe to grow vegetables in Grandfalls?
The federal record around Grandfalls is light — 8 documented sites across the 9 federal source types we checked, mostly Underground Storage Tanks entries (5), the nearest Underground Storage Tanks record under a tenth of a mile out — and proximity to a documented site is information, not a diagnosis of any one yard. Growing food here starts from a strong position; a soil test before new food beds settles any site-specific question.
How do I protect my plants from frost in Grandfalls?
From about Oct 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 Nov 16 (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 16. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Grandfalls's scale — its 8a band and its 254-day season. Your yard writes its own version of Grandfalls'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 Grandfalls’s own scale
6 of the readings below were taken at Grandfalls's own scale — its own ~254-day season between 28°F freezes, the 346 acres it covers and 8 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Grandfalls's own USDA hardiness band, zones 8aUSDA PHZM 2023
- Grandfalls's own 28°F hard-freeze dates, about Mar 7 and Nov 16 and the ~254-day span between themNOAA 1991–2020 Climate Normals
- 8 documented contamination sites on the federal record near Grandfalls, the closest Underground Storage Tanks record under a tenth of a mile out from the town centreFederal environmental registers
- Grandfalls's boundary and the 346 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 8a and a ~254-day seasonGrowable Ground crop-matching engine
- The ecoregion at Grandfalls's own centroid, the Chihuahuan DesertsUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so Grandfalls's 346 acres read through its county's SSURGO summaryfrom Ward County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Ward 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 Ward County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Grandfalls's 346 acreswhy one lot differs from the next →
- Which side of Grandfalls you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 346 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 Grandfalls-wide figureread your own land →
More in Texas
Wider growing context
What grows across TexasGrandfalls sits outside our named growing regions, so Texas as a whole is its closest context here.
Nearby growing guides