Frostproof, Florida, sits in USDA hardiness zone 10a — a band that supports both cool-season staples and warm-season crops chosen to fit the local frost window.
Expect okra, meyer lemon, california poppy, and artichoke to be strong candidates here; the deciding factors on any one parcel stay local — soil, sun, and drainage.
Even in Frostproof, 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 Frostproof 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 Frostproof — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Frostproof — the short answer
Frostproof, Florida: USDA zone 10a, about 332 days between hard freezes, across 7K acres of city.
- USDA zone
- 10a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Jan 22
- Polk County normal — NOAA 1991–2020, nearest to this town
- First hard freeze (28°F)
- Dec 20
- Polk County normal — NOAA 1991–2020, nearest to this town
- Days between freezes
- ~332
- Polk County normal — NOAA 1991–2020, nearest to this town
- City area
- 7K 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 Polk County’s — the closest measured record, labelled as such rather than passed off as local.
Hardiness Zone Range
Zone 10a is Frostproof's average, not your lot's — a low corner or a tree line moves it. Against Frostproof's 332-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Frostproof
Each reading below is measured for Frostproof itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
From county recordsFrostproof runs about 332 days between hard freezes (read from Polk County, the closest normal to Frostproof) — 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
MeasuredFrostproof sits in USDA hardiness zone 10a.
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 Frostproof is in
Frostproof sits in the Southern Coastal Plain — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Frostproof's own centroid rather than borrowed from Polk County.
What Grows in Frostproof
Every plant below cleared Frostproof's own zone 10a and its 332-day season. Each card opens that plant's Florida profile. How we score.
Is it too late to plant in Frostproof?
Usually not — gardeners here simply switch what goes in the ground as the season moves. 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 22 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Dec 20 — 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.
What's on the federal record near Frostproof
Closest first, within ~10 miles of Frostproof. Listing isn't leaking, and distance isn't exposure.
- FROSTPROOF CITY-WWTFUnderground Storage Tanks · 650 ft
- LAWSON INC C KUnderground Storage Tanks · 1100 ft
- LATT MAXCY CORP-OFFICEUnderground Storage Tanks · 1200 ft
- FRONTIER FL LLC-FROSTPROOFUnderground Storage Tanks · 1500 ft
- WARDLAW & DICKINSON INCBrownfields · 1700 ft
- KEENS AUTO REPAIRUnderground Storage Tanks · 1700 ft
- MCFARLANE USED FURNITUREUnderground Storage Tanks · 1800 ft
- J WAYNE ZOFFAY GROVE SERVICEUnderground Storage Tanks · 1800 ft
- ADA MAY KEEN TRUSTUnderground Storage Tanks · 2000 ft
- DAVID KEENS AUTO REPAIRUnderground Storage Tanks · 2300 ft
- FROSTPROOF AUTO RECYCLINGBrownfields · 2300 ft
- HARVEYS MINIT MRKTUnderground Storage Tanks · 2400 ft
6 more sites are on the record inside the same radius. See them on the map
Measured from Frostproof'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 Frostproof.
Total Sites
235
within ~10 miles of Frostproof
Risk Level
Elevated
Highest-severity
7 Toxics Release Inventory facilities
Sources Checked
within ~10 miles of Frostproof
Severity Distribution
within ~10 miles of Frostproof
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Frostproof, Nitrate runs higher than the national average — 94 sites within ~10 miles of Frostproof. 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 Frostproof
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 Frostproof average
Your land is one point inside Frostproof
Everything above resolves to Frostproof as a whole — one PHZM band, read across 7K acres, with hard-freeze dates borrowed from Polk 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 Frostproof Average
Frostproof Average
- ●USDA Zones 10a, averaged across Frostproof
- ●One soil character for all of Frostproof
- ●Frost dates read at Frostproof's scale: Jan 22 to Dec 20
YOUR Parcel
- ✓Your exact zone, not Frostproof's 10a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Frostproof
Pull a site-specific report for your exact address in Frostproof, Florida — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Frostproof averages can't show:
We read public map data around Frostproof — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Frostproof average
How we know this about Frostproof
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 Polk 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 Frostproof
When does frost risk typically end in Frostproof?
The last hard freeze (28°F) in Frostproof typically lands around Jan 22, 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 12.
When is the first frost in Frostproof?
The first hard freeze (28°F) in Frostproof typically arrives around Dec 20, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Dec 6, so the watching starts about Nov 20 — about 332 days after the spring freeze cleared.
How long is the growing season in Frostproof?
Measured between 28°F hard freezes, Frostproof sees about 332 frost-free days — roughly Jan 22 through Dec 20, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Feb 12 to Dec 6, about 297 days.
Is the soil safe to grow vegetables in Frostproof?
The federal record around Frostproof is a meaningful one — 235 documented sites, mostly Underground Storage Tanks entries (106), the nearest Underground Storage Tanks record about 0.1 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 Frostproof?
From about Nov 20 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 20 (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 20. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Frostproof's scale — its 10a band and its 332-day season. Your yard writes its own version of Frostproof'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 Frostproof’s own scale
5 of the readings below were taken at Frostproof's own scale — the 7,283 acres it covers and 235 documented sites around it; 5 are borrowed from a wider read, named and linked below.
Measured here
- Frostproof's own USDA hardiness band, zones 10aUSDA PHZM 2023
- 235 documented contamination sites on the federal record near Frostproof, the closest Underground Storage Tanks record about 0.1 miles out from the town centreFederal environmental registers
- Frostproof's boundary and the 7,283 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 10a and a ~332-day seasonGrowable Ground crop-matching engine
- The ecoregion at Frostproof's own centroid, the Southern Coastal PlainUS EPA Level III Ecoregions
Inherited from a wider read
- The 28°F hard-freeze dates — Frostproof has no normal of its own, so its county's is the closest measured readfrom Polk County
- Soil character — no town-scale survey exists, so Frostproof's 7,283 acres read through its county's SSURGO summaryfrom Polk County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Polk County
- The growing challenges every Florida grower plans around — written at state scale, so they stay on the state guidefrom Florida
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Polk County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Frostproof's 7,283 acreswhy one lot differs from the next →
- Which side of Frostproof you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 7,283 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 0.1 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 Frostproof-wide figureread your own land →