New Braunfels, Texas, sits in USDA hardiness zone 9a — a zone band wide enough that plant choice, not possibility, is the interesting question.
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 New Braunfels, 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 New Braunfels 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 New Braunfels — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
New Braunfels — the short answer
New Braunfels, Texas: USDA zone 9a, about 295 days between hard freezes, across 29K acres of city.
- USDA zone
- 9a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Feb 11
- Comal County normal — NOAA 1991–2020, nearest to this town
- First hard freeze (28°F)
- Dec 3
- Comal County normal — NOAA 1991–2020, nearest to this town
- Days between freezes
- ~295
- Comal County normal — NOAA 1991–2020, nearest to this town
- City area
- 29K 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 Comal County’s — the closest measured record, labelled as such rather than passed off as local.
Hardiness Zone Range
Zone 9a is New Braunfels's average, not your lot's — a low corner or a tree line moves it. Against New Braunfels's 295-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in New Braunfels
Each reading below is measured for New Braunfels itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
From county recordsNew Braunfels runs about 295 days between hard freezes (read from Comal County, the closest normal to New Braunfels) — 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
MeasuredNew Braunfels 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 New Braunfels is in
New Braunfels sits in the Texas Blackland Prairies — EPA Level III, inside the wider Great Plains. That is read at New Braunfels's own centroid, and it is not what its county reads: Comal County is mostly Edwards Plateau. The wider page above you is answering a different question about different ground.
What Grows in New Braunfels
Every plant below cleared New Braunfels's own zone 9a and its 295-day season. Each card opens that plant's Texas profile. How we score.
Is it too late to plant in New Braunfels?
Rarely: the season closes in stages, not all at once, and each stage has its crops. Cool-season crops can go in from around Jan 14; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Feb 11 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Dec 3 — long-season crops need about 90 days of runway, quick greens only 30. In a climate this gentle, “too late” hardly applies — the question becomes which crops prefer the cooler months ahead.
Documented around New Braunfels
Survey cells within 31 miles of New Braunfels checked for spotted lanternfly, none carrying a detection — a surveyed negative, not an absence of looking. Nearest documented record 642 miles off. What to watch for.
What's on the federal record near New Braunfels
Closest first, within ~10 miles of New Braunfels. Listing isn't leaking, and distance isn't exposure.
- WHITES TEXACOUnderground Storage Tanks · 850 ft
- CORNER STORE 0185Underground Storage Tanks · 1000 ft
- BECKER MOTORUnderground Storage Tanks · 1100 ft
- OTT PLUMBINGUnderground Storage Tanks · 1200 ft
- HILL COUNTRY TIREUnderground Storage Tanks · 1300 ft
- UNDERPASS SALOONUnderground Storage Tanks · 1500 ft
- LILIAN LORENZANA PROPERTYUnderground Storage Tanks · 1500 ft
- PIT STOP FOOD MART 6Underground Storage Tanks · 1900 ft
- CITY COMPLEXUnderground Storage Tanks · 1900 ft
- NEW BRAUNFELS POLICE DEPTUnderground Storage Tanks · 2000 ft
- DIETERT AUTO SUPPLYUnderground Storage Tanks · 2200 ft
- BEXAR ELECTRICUnderground Storage Tanks · 2600 ft
6 more sites are on the record inside the same radius. See them on the map
Measured from New Braunfels'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 New Braunfels.
Total Sites
424
within ~10 miles of New Braunfels
Risk Level
Elevated
Highest-severity
1 Superfund site (none NPL-listed)
Sources Checked
within ~10 miles of New Braunfels
Severity Distribution
within ~10 miles of New Braunfels
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around New Braunfels, two things run higher than the national average within ~10 miles of New Braunfels — Nitrate (170 sites) and Toxics Release Inventory (31 sites). That's not a problem with your land — it's information about it.
Nitrate: Nitrate contamination primarily comes from agricultural fertilizer runoff and failing septic systems.
Toxics Release Inventory: TRI facilities report annual chemical releases to air, water, and land.
Test well water for nitrate if you rely on a private well for irrigation (EPA standard: 10 mg/L).
Check prevailing wind direction — downwind parcels face higher exposure than upwind or crosswind locations.
Check your specific parcel in New Braunfels
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 New Braunfels average
Your land is one point inside New Braunfels
Everything above resolves to New Braunfels as a whole — one PHZM band, read across 29K acres, with hard-freeze dates borrowed from Comal 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 New Braunfels Average
New Braunfels Average
- ●USDA Zones 9a, averaged across New Braunfels
- ●One soil character for all of New Braunfels
- ●Frost dates read at New Braunfels's scale: Feb 11 to Dec 3
YOUR Parcel
- ✓Your exact zone, not New Braunfels's 9a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in New Braunfels
Pull a site-specific report for your exact address in New Braunfels, Texas — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that New Braunfels averages can't show:
We read public map data around New Braunfels — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the New Braunfels average
How we know this about New Braunfels
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 Comal 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 New Braunfels
When does frost risk typically end in New Braunfels?
The last hard freeze (28°F) in New Braunfels typically lands around Feb 11, 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 4.
When is the first frost in New Braunfels?
The first hard freeze (28°F) in New Braunfels typically arrives around Dec 3, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 19, so the watching starts about Nov 3 — about 295 days after the spring freeze cleared.
How long is the growing season in New Braunfels?
Measured between 28°F hard freezes, New Braunfels sees about 295 frost-free days — roughly Feb 11 through Dec 3, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Mar 4 to Nov 19, about 260 days.
Is the soil safe to grow vegetables in New Braunfels?
The federal record around New Braunfels is a meaningful one — 424 documented sites, mostly Underground Storage Tanks entries (184), the nearest Underground Storage Tanks record about 0.2 miles out — so a soil test before new food beds is a sensible precaution here, not a reason to hold back from growing. Remember that proximity to a documented site is information, not a diagnosis of any one yard; the contamination map shows exactly what sits where.
How do I protect my plants from frost in New Braunfels?
From about Nov 3 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 3 (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 3. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at New Braunfels's scale — its 9a band and its 295-day season. Your yard writes its own version of New Braunfels'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 New Braunfels’s own scale
6 of the readings below were taken at New Braunfels's own scale — the 28,816 acres it covers and 424 documented sites around it; 5 are borrowed from a wider read, named and linked below.
Measured here
- New Braunfels's own USDA hardiness band, zones 9aUSDA PHZM 2023
- 424 documented contamination sites on the federal record near New Braunfels, the closest Underground Storage Tanks record about 0.2 miles out from the town centreFederal environmental registers
- New Braunfels's boundary and the 28,816 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 9a and a ~295-day seasonGrowable Ground crop-matching engine
- New Braunfels sits in the Texas Blackland Prairies — not the ecoregion its county mostly readsUS EPA Level III Ecoregions
- Lanternfly survey cells around New Braunfels checked, none carrying a detectionlydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- The 28°F hard-freeze dates — New Braunfels has no normal of its own, so its county's is the closest measured readfrom Comal County
- Soil character — no town-scale survey exists, so New Braunfels's 28,816 acres read through its county's SSURGO summaryfrom Comal County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Comal 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 Comal County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among New Braunfels's 28,816 acreswhy one lot differs from the next →
- Which side of New Braunfels you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 28,816 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks 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 New Braunfels-wide figureread your own land →
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