Quinlan, Texas, sits in USDA hardiness zone 8b — 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 Quinlan, 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 Quinlan 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 Quinlan — soil, climate, flood, and parcel records. How we handle your address.
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Quinlan — the short answer
Quinlan, Texas: USDA zone 8b, about 277 days between hard freezes, across 828 acres of city.
- USDA zone
- 8b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Feb 23
- Hunt County normal — NOAA 1991–2020, nearest to this town
- First hard freeze (28°F)
- Nov 27
- Hunt County normal — NOAA 1991–2020, nearest to this town
- Days between freezes
- ~277
- Hunt County normal — NOAA 1991–2020, nearest to this town
- City area
- 828 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 Hunt County’s — the closest measured record, labelled as such rather than passed off as local.
Hardiness Zone Range
Zone 8b is Quinlan's average, not your lot's — a low corner or a tree line moves it. Against Quinlan's 277-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Quinlan
Each reading below is measured for Quinlan itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
From county recordsQuinlan runs about 277 days between hard freezes (read from Hunt County, the closest normal to Quinlan) — 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
MeasuredQuinlan 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 Quinlan is in
Quinlan sits in the East Central Texas Plains — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Quinlan's own centroid, and it is not what its county reads: Hunt County is mostly Texas Blackland Prairies. The wider page above you is answering a different question about different ground.
What Grows in Quinlan
Every plant below cleared Quinlan's own zone 8b and its 277-day season. Each card opens that plant's Texas profile. How we score.
Is it too late to plant in Quinlan?
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 26; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Feb 23 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 27 — long-season crops need about 90 days of runway, quick greens only 30. With almost year-round growing weather, timing is about heat and rainfall more than frost — some bench is always in play.
What's on the federal record near Quinlan
Closest first, within ~10 miles of Quinlan. Listing isn't leaking, and distance isn't exposure.
- QUINLAN MINI MARTUnderground Storage Tanks · 500 ft
- PHILIP SCOTTUnderground Storage Tanks · 850 ft
- MURPHY USA 7383Underground Storage Tanks · 1000 ft
- WAL-MART SUPERCENTER 4215Underground Storage Tanks · 1000 ft
- PROVIDENT BANKUnderground Storage Tanks · 1500 ft
- WALMART SUPERCENTER 4215Brownfields · 1800 ft
- ONE STOP 14Underground Storage Tanks · 1900 ft
- EZ MART 4225Underground Storage Tanks · 1900 ft
- QUINLAN FULL SERVUnderground Storage Tanks · 2000 ft
- BROOKSHIRE GROCERY 87Underground Storage Tanks · 2000 ft
- QUIK SAVE 1Underground Storage Tanks · 2300 ft
- QUINLAN ISDUnderground Storage Tanks · 2300 ft
6 more sites are on the record inside the same radius. See them on the map
Measured from Quinlan'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 Quinlan.
Total Sites
58
within ~10 miles of Quinlan
Risk Level
Moderate
Highest-severity
1 Toxics Release Inventory facility
Sources Checked
within ~10 miles of Quinlan
Severity Distribution
within ~10 miles of Quinlan
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Quinlan, Underground Storage Tanks runs higher than the national average — 46 sites within ~10 miles of Quinlan. That's not a problem with your land — it's information about it.
Underground Storage Tanks: Underground storage tanks are the single most common source of soil contamination near homes and gardens.
Use raised beds with imported soil — this eliminates the primary soil-contact pathway.
Check your specific parcel in Quinlan
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 Quinlan average
Your land is one point inside Quinlan
Everything above resolves to Quinlan as a whole — one PHZM band, read across 828 acres, with hard-freeze dates borrowed from Hunt 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 Quinlan Average
Quinlan Average
- ●USDA Zones 8b, averaged across Quinlan
- ●One soil character for all of Quinlan
- ●Frost dates read at Quinlan's scale: Feb 23 to Nov 27
YOUR Parcel
- ✓Your exact zone, not Quinlan's 8b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Quinlan
Pull a site-specific report for your exact address in Quinlan, Texas — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Quinlan averages can't show:
We read public map data around Quinlan — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Quinlan average
How we know this about Quinlan
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 Hunt 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 Quinlan
When does frost risk typically end in Quinlan?
The last hard freeze (28°F) in Quinlan typically lands around Feb 23, 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 16.
When is the first frost in Quinlan?
The first hard freeze (28°F) in Quinlan typically arrives around Nov 27, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 13, so the watching starts about Oct 28 — about 277 days after the spring freeze cleared.
How long is the growing season in Quinlan?
Measured between 28°F hard freezes, Quinlan sees about 277 frost-free days — roughly Feb 23 through Nov 27, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Mar 16 to Nov 13, about 242 days.
Is the soil safe to grow vegetables in Quinlan?
The federal record around Quinlan shows 58 documented sites, mostly Underground Storage Tanks entries (46), the nearest Underground Storage Tanks record under a tenth of a mile 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 Quinlan?
From about Oct 28 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 27 (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 27. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Quinlan's scale — its 8b band and its 277-day season. Your yard writes its own version of Quinlan'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 Quinlan’s own scale
5 of the readings below were taken at Quinlan's own scale — the 828 acres it covers and 58 documented sites around it; 5 are borrowed from a wider read, named and linked below.
Measured here
- Quinlan's own USDA hardiness band, zones 8bUSDA PHZM 2023
- 58 documented contamination sites on the federal record near Quinlan, the closest Underground Storage Tanks record under a tenth of a mile out from the town centreFederal environmental registers
- Quinlan's boundary and the 828 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 8b and a ~277-day seasonGrowable Ground crop-matching engine
- Quinlan sits in the East Central Texas Plains — not the ecoregion its county mostly readsUS EPA Level III Ecoregions
Inherited from a wider read
- The 28°F hard-freeze dates — Quinlan has no normal of its own, so its county's is the closest measured readfrom Hunt County
- Soil character — no town-scale survey exists, so Quinlan's 828 acres read through its county's SSURGO summaryfrom Hunt County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Hunt 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 Hunt County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Quinlan's 828 acreswhy one lot differs from the next →
- Which side of Quinlan you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 828 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 Quinlan-wide figureread your own land →
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