Edroy, 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.
Among the crops suited to this profile: okra, meyer lemon, california poppy, and artichoke. The site-level story — soil, sun, drainage — decides the rest.
Even in Edroy, 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 Edroy 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 Edroy — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Edroy — the short answer
Edroy, Texas: USDA zone 9b, about 322 days between hard freezes, across 1K acres of town.
- USDA zone
- 9b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Jan 24
- San Patricio County normal — NOAA 1991–2020, nearest to this town
- First hard freeze (28°F)
- Dec 12
- San Patricio County normal — NOAA 1991–2020, nearest to this town
- Days between freezes
- ~322
- San Patricio 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 San Patricio County’s — the closest measured record, labelled as such rather than passed off as local.
Hardiness Zone Range
Zone 9b is Edroy's average, not your lot's — a low corner or a tree line moves it. Against Edroy's 322-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Edroy
Each reading below is measured for Edroy itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
From county recordsEdroy runs about 322 days between hard freezes (read from San Patricio County, the closest normal to Edroy) — 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
MeasuredEdroy 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 Edroy is in
Edroy sits in the Western Gulf Coastal Plain — EPA Level III, inside the wider Great Plains. That is read at Edroy's own centroid rather than borrowed from San Patricio County.
What Grows in Edroy
Every plant below cleared Edroy'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 Edroy?
For most of the year, no — what changes is which crops still fit the days remaining. 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 24 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Dec 12 — 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 Edroy
Closest first, within ~10 miles of Edroy. Listing isn't leaking, and distance isn't exposure.
- AMIGOS BEEF CATTLECAFO · 0.6 mi
- WW-83-03-502Nitrate · 3.1 mi
- WW-83-03-605Nitrate · 3.5 mi
- WW-83-03-904Nitrate · 3.9 mi
- CHEMTRADE ODEM PLANTToxics Release Inventory · 4.8 mi
- GENERAL CHEMICALToxics Release Inventory · 4.8 mi
- TUFF ENVIRONMENTAL SERVICESBrownfields · 5.3 mi
- ADK ENVIRONMENTALBrownfields · 5.4 mi
- SNAPPY FOODS 9Underground Storage Tanks · 5.5 mi
- SPARTAN SPECIALTY COMPANIESBrownfields · 5.5 mi
- CIRCLE K STORE 2706976Underground Storage Tanks · 5.6 mi
- SNAPPY FOODS 1Underground Storage Tanks · 5.6 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Edroy'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 Edroy.
Total Sites
112
within ~10 miles of Edroy
Risk Level
Moderate
Highest-severity
5 Toxics Release Inventory facilities
Sources Checked
within ~10 miles of Edroy
Severity Distribution
within ~10 miles of Edroy
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Edroy, Nitrate runs higher than the national average — 34 sites within ~10 miles of Edroy. Knowing it is half the work — and it's nothing a thoughtful grower can't plan for.
Nitrate: Nitrate contamination primarily comes from agricultural fertilizer runoff and failing septic systems.
Test well water for nitrate if you rely on a private well for irrigation (EPA standard: 10 mg/L).
Check your specific parcel in Edroy
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 Edroy average
Your land is one point inside Edroy
Everything above resolves to Edroy as a whole — one PHZM band, read across 1K acres, with hard-freeze dates borrowed from San Patricio 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 Edroy Average
Edroy Average
- ●USDA Zones 9b, averaged across Edroy
- ●One soil character for all of Edroy
- ●Frost dates read at Edroy's scale: Jan 24 to Dec 12
YOUR Parcel
- ✓Your exact zone, not Edroy's 9b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Edroy
Pull a site-specific report for your exact address in Edroy, Texas — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Edroy averages can't show:
We read public map data around Edroy — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Edroy average
How we know this about Edroy
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 San Patricio 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 Edroy
When does frost risk typically end in Edroy?
The last hard freeze (28°F) in Edroy typically lands around Jan 24, 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 14.
When is the first frost in Edroy?
The first hard freeze (28°F) in Edroy typically arrives around Dec 12, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 28, so the watching starts about Nov 12 — about 322 days after the spring freeze cleared.
How long is the growing season in Edroy?
Measured between 28°F hard freezes, Edroy sees about 322 frost-free days — roughly Jan 24 through Dec 12, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Feb 14 to Nov 28, about 287 days.
Is the soil safe to grow vegetables in Edroy?
The federal record around Edroy shows 112 documented sites, mostly Underground Storage Tanks entries (48), the nearest CAFO record about 0.6 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 Edroy?
From about Nov 12 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 12 (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 12. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Edroy's scale — its 9b band and its 322-day season. Your yard writes its own version of Edroy'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 Edroy’s own scale
5 of the readings below were taken at Edroy's own scale — the 1,414 acres it covers and 112 documented sites around it; 5 are borrowed from a wider read, named and linked below.
Measured here
- Edroy's own USDA hardiness band, zones 9bUSDA PHZM 2023
- 112 documented contamination sites on the federal record near Edroy, the closest CAFO record about 0.6 miles out from the town centreFederal environmental registers
- Edroy's boundary and the 1,414 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 Edroy's own centroid, the Western Gulf Coastal PlainUS EPA Level III Ecoregions
Inherited from a wider read
- The 28°F hard-freeze dates — Edroy has no normal of its own, so its county's is the closest measured readfrom San Patricio County
- Soil character — no town-scale survey exists, so Edroy's 1,414 acres read through its county's SSURGO summaryfrom San Patricio County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom San Patricio 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 San Patricio County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Edroy's 1,414 acreswhy one lot differs from the next →
- Which side of Edroy you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 1,414 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest CAFO record about 0.6 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 Edroy-wide figureread your own land →
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