Ranchos Penitas West, Texas, sits in USDA hardiness zone 9b — a band that supports both cool-season staples and warm-season crops chosen to fit the local frost window.
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 Ranchos Penitas West, 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 Ranchos Penitas West 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 Ranchos Penitas West — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Ranchos Penitas West — the short answer
Ranchos Penitas West, Texas: USDA zone 9b, about 326 days between hard freezes, across 1K acres of town.
- USDA zone
- 9b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Jan 25
- Webb County normal — NOAA 1991–2020, nearest to this town
- First hard freeze (28°F)
- Dec 17
- Webb County normal — NOAA 1991–2020, nearest to this town
- Days between freezes
- ~326
- Webb County normal — NOAA 1991–2020, nearest to this town
- Town area
- 1K 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 Webb County’s — the closest measured record, labelled as such rather than passed off as local.
Hardiness Zone Range
Zone 9b is Ranchos Penitas West's average, not your lot's — a low corner or a tree line moves it. Against Ranchos Penitas West's 326-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Ranchos Penitas West
Each reading below is measured for Ranchos Penitas West itself — here is what it means for a garden here, and the move an experienced grower makes about it.

Season length
From county recordsRanchos Penitas West runs about 326 days between hard freezes (read from Webb County, the closest normal to Ranchos Penitas West) — 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
MeasuredRanchos Penitas West 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 Ranchos Penitas West is in
Ranchos Penitas West sits in the Southern Texas Plains — EPA Level III, inside the wider Great Plains. That is read at Ranchos Penitas West's own centroid rather than borrowed from Webb County.
What Grows in Ranchos Penitas West
Every plant below cleared Ranchos Penitas West's own zone 9b and its 326-day season. Each card opens that plant's Texas profile. How we score.






























Is it too late to plant in Ranchos Penitas West?
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 Jan 1; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Jan 25 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Dec 17 — long-season crops need about 90 days of runway, quick greens only 30. And with a calendar this mild, the honest answer is that planting barely stops — winter opens seasons colder regions never see.
What's on the federal record near Ranchos Penitas West
Closest first, within ~10 miles of Ranchos Penitas West. Listing isn't leaking, and distance isn't exposure.
- YZ-85-20-502Nitrate · 1.7 mi
- YZ-85-19-903Nitrate · 2.3 mi
- TPW, INCBrownfields · 3.5 mi
- US GOVERNMENT C O AMENTUM SERVICESBrownfields · 3.5 mi
- SELECT ENERGY SERVICES LAREDO YARDUnderground Storage Tanks · 3.5 mi
- PENSKE TRUCK LEASING CO LPBrownfields · 3.6 mi
- SOUTHEASTERN FREIGHT LINES - LRDBrownfields · 3.7 mi
- CENTRAL TRANSPORTUnderground Storage Tanks · 4.9 mi
- LEAD METALS TRAINING LLCBrownfields · 5.0 mi
- RL CARRIERS - LAOBrownfields · 5.0 mi
- CON-WAY FREIGHT INC - LLABrownfields · 5.1 mi
- CONTRACT FREIGHTERSUnderground Storage Tanks · 5.2 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Ranchos Penitas West'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 Ranchos Penitas West.
Total Sites
145
within ~10 miles of Ranchos Penitas West
Risk Level
Elevated
Highest-severity
1 Superfund site (none NPL-listed)
Sources Checked
within ~10 miles of Ranchos Penitas West
Severity Distribution
within ~10 miles of Ranchos Penitas West
Highest-Severity Sites

A note from Gnorman
What an experienced grower watches for around here
In and around Ranchos Penitas West, two things run higher than the national average within ~10 miles of Ranchos Penitas West — Brownfields (80 sites) and Toxics Release Inventory (10 sites). Knowing it is half the work — and it's nothing a thoughtful grower can't plan for.
Brownfields: Brownfield sites are former commercial or industrial properties where legacy soil contamination (heavy metals, PAHs, petroleum compounds) may persist.
Toxics Release Inventory: TRI facilities report annual chemical releases to air, water, and land.
Check EPA brownfield remediation status — many sites have completed cleanup with institutional controls.
Check prevailing wind direction — downwind parcels face higher exposure than upwind or crosswind locations.
Check your specific parcel in Ranchos Penitas West
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 Ranchos Penitas West average
Your land is one point inside Ranchos Penitas West
Everything above resolves to Ranchos Penitas West as a whole — one PHZM band, read across 1K acres, with hard-freeze dates borrowed from Webb 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 Ranchos Penitas West Average
Ranchos Penitas West Average
- ●USDA Zones 9b, averaged across Ranchos Penitas West
- ●One soil character for all of Ranchos Penitas West
- ●Frost dates read at Ranchos Penitas West's scale: Jan 25 to Dec 17
YOUR Parcel
- ✓Your exact zone, not Ranchos Penitas West's 9b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Ranchos Penitas West
Pull a site-specific report for your exact address in Ranchos Penitas West, Texas — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Ranchos Penitas West averages can't show:
We read public map data around Ranchos Penitas West — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Ranchos Penitas West average
How we know this about Ranchos Penitas West
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 Webb 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 Ranchos Penitas West
When does frost risk typically end in Ranchos Penitas West?
The last hard freeze (28°F) in Ranchos Penitas West typically lands around Jan 25, 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 15.
When is the first frost in Ranchos Penitas West?
The first hard freeze (28°F) in Ranchos Penitas West typically arrives around Dec 17, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Dec 3, so the watching starts about Nov 17 — about 326 days after the spring freeze cleared.
How long is the growing season in Ranchos Penitas West?
Measured between 28°F hard freezes, Ranchos Penitas West sees about 326 frost-free days — roughly Jan 25 through Dec 17, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Feb 15 to Dec 3, about 291 days.
Is the soil safe to grow vegetables in Ranchos Penitas West?
The federal record around Ranchos Penitas West is a meaningful one — 145 documented sites, mostly Brownfields entries (80), the nearest Nitrate record about 1.7 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 Ranchos Penitas West?
From about Nov 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 Dec 17 (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 17. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Ranchos Penitas West's scale — its 9b band and its 326-day season. Your yard writes its own version of Ranchos Penitas West'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 Ranchos Penitas West’s own scale
5 of the readings below were taken at Ranchos Penitas West's own scale — the 1,324 acres it covers and 145 documented sites around it; 5 are borrowed from a wider read, named and linked below.
Measured here
- Ranchos Penitas West's own USDA hardiness band, zones 9bUSDA PHZM 2023
- 145 documented contamination sites on the federal record near Ranchos Penitas West, the closest Nitrate record about 1.7 miles out from the town centreFederal environmental registers
- Ranchos Penitas West's boundary and the 1,324 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 9b and a ~326-day seasonGrowable Ground crop-matching engine
- The ecoregion at Ranchos Penitas West's own centroid, the Southern Texas PlainsUS EPA Level III Ecoregions
Inherited from a wider read
- The 28°F hard-freeze dates — Ranchos Penitas West has no normal of its own, so its county's is the closest measured readfrom Webb County
- Soil character — no town-scale survey exists, so Ranchos Penitas West's 1,324 acres read through its county's SSURGO summaryfrom Webb County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Webb 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 Webb County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Ranchos Penitas West's 1,324 acreswhy one lot differs from the next →
- Which side of Ranchos Penitas West you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 1,324 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Nitrate record about 1.7 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 Ranchos Penitas West-wide figureread your own land →
