Stonewall, Texas, sits in USDA hardiness zone 8b — a range where zone-matched perennials and frost-aware annual timing set what succeeds.
Growers here do well with cabbage, fig, california poppy, and collard greens — with the usual caveat that any single yard's soil, sun, and drainage cast the deciding vote.
Even in Stonewall, 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 Stonewall 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 Stonewall — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Stonewall — the short answer
Stonewall, Texas: USDA zone 8b, about 263 days between hard freezes, across 10K acres of town.
- USDA zone
- 8b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 4
- Gillespie County normal — NOAA 1991–2020, nearest to this town
- First hard freeze (28°F)
- Nov 22
- Gillespie County normal — NOAA 1991–2020, nearest to this town
- Days between freezes
- ~263
- Gillespie County normal — NOAA 1991–2020, nearest to this town
- Town area
- 10K 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 Gillespie County’s — the closest measured record, labelled as such rather than passed off as local.
Hardiness Zone Range
Zone 8b is Stonewall's average, not your lot's — a low corner or a tree line moves it. Against Stonewall's 263-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Stonewall
Each reading below is measured for Stonewall itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
From county recordsStonewall runs about 263 days between hard freezes (read from Gillespie County, the closest normal to Stonewall) — 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
MeasuredStonewall sits in USDA hardiness zone 8b.
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 Stonewall is in
Stonewall sits in the Edwards Plateau — EPA Level III, inside the wider Great Plains. That is read at Stonewall's own centroid rather than borrowed from Gillespie County.
What Grows in Stonewall
Every plant below cleared Stonewall's own zone 8b and its 263-day season. Each card opens that plant's Texas profile. How we score.
Is it too late to plant in Stonewall?
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 4; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 4 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 22 — 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 Stonewall
Closest first, within ~10 miles of Stonewall. Listing isn't leaking, and distance isn't exposure.
- STONEWALL ONE STOPUnderground Storage Tanks · 1.2 mi
- GARCIAS STONEWALL CAFEUnderground Storage Tanks · 1.3 mi
- TEXAS WINE COUNTRYUnderground Storage Tanks · 4.1 mi
- BEHRENDS FEED & FERTILIZER LPToxics Release Inventory · 7.9 mi
- STAGECOACH STOPUnderground Storage Tanks · 8.8 mi
- IMMEL FEEDYARDCAFO · 9.8 mi
Measured from Stonewall'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 Stonewall.
Total Sites
6
within ~10 miles of Stonewall
Risk Level
Low
Highest-severity
1 Toxics Release Inventory facility
Sources Checked
within ~10 miles of Stonewall
Severity Distribution
within ~10 miles of Stonewall
Highest-Severity Sites
Know Before You Grow
- •Underground tanks leak petroleum as they age — near a former filling station, test the soil.
- •Large animal operations push nitrates and bacteria downstream. Below one, test your water.
- •TRI facilities report what they release. Check the wind — downwind beds catch more of it.
Check your specific parcel in Stonewall
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 Stonewall average
Your land is one point inside Stonewall
Everything above resolves to Stonewall as a whole — one PHZM band, read across 10K acres, with hard-freeze dates borrowed from Gillespie 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 Stonewall Average
Stonewall Average
- ●USDA Zones 8b, averaged across Stonewall
- ●One soil character for all of Stonewall
- ●Frost dates read at Stonewall's scale: Mar 4 to Nov 22
YOUR Parcel
- ✓Your exact zone, not Stonewall's 8b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Stonewall
Pull a site-specific report for your exact address in Stonewall, Texas — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Stonewall averages can't show:
We read public map data around Stonewall — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Stonewall average
How we know this about Stonewall
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 Gillespie 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 Stonewall
When does frost risk typically end in Stonewall?
The last hard freeze (28°F) in Stonewall typically lands around Mar 4, 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 25.
When is the first frost in Stonewall?
The first hard freeze (28°F) in Stonewall typically arrives around Nov 22, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 8, so the watching starts about Oct 23 — about 263 days after the spring freeze cleared.
How long is the growing season in Stonewall?
Measured between 28°F hard freezes, Stonewall sees about 263 frost-free days — roughly Mar 4 through Nov 22, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Mar 25 to Nov 8, about 228 days.
Is the soil safe to grow vegetables in Stonewall?
The federal record around Stonewall is light — 6 documented sites across the 9 federal source types we checked, mostly Underground Storage Tanks entries (4), the nearest Underground Storage Tanks record about 1.2 miles 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 Stonewall?
From about Oct 23 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 22 (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 22. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Stonewall's scale — its 8b band and its 263-day season. Your yard writes its own version of Stonewall'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 Stonewall’s own scale
5 of the readings below were taken at Stonewall's own scale — the 9,620 acres it covers and 6 documented sites around it; 5 are borrowed from a wider read, named and linked below.
Measured here
- Stonewall's own USDA hardiness band, zones 8bUSDA PHZM 2023
- 6 documented contamination sites on the federal record near Stonewall, the closest Underground Storage Tanks record about 1.2 miles out from the town centreFederal environmental registers
- Stonewall's boundary and the 9,620 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 8b and a ~263-day seasonGrowable Ground crop-matching engine
- The ecoregion at Stonewall's own centroid, the Edwards PlateauUS EPA Level III Ecoregions
Inherited from a wider read
- The 28°F hard-freeze dates — Stonewall has no normal of its own, so its county's is the closest measured readfrom Gillespie County
- Soil character — no town-scale survey exists, so Stonewall's 9,620 acres read through its county's SSURGO summaryfrom Gillespie County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Gillespie 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 Gillespie County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Stonewall's 9,620 acreswhy one lot differs from the next →
- Which side of Stonewall you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 9,620 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 1.2 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 Stonewall-wide figureread your own land →
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