Indiantown, Florida, sits in USDA hardiness zone 10a — a range where zone-matched perennials and frost-aware annual timing set what succeeds.
Growers here do well with okra, meyer lemon, california poppy, and artichoke — with the usual caveat that any single yard's soil, sun, and drainage cast the deciding vote.
Even in Indiantown, 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 Indiantown 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 Indiantown — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Indiantown — the short answer
Indiantown, Florida: USDA zone 10a, about 330 days between hard freezes, across 9K acres of town.
- USDA zone
- 10a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Jan 19
- Martin County normal — NOAA 1991–2020, nearest to this town
- First hard freeze (28°F)
- Dec 15
- Martin County normal — NOAA 1991–2020, nearest to this town
- Days between freezes
- ~330
- Martin County normal — NOAA 1991–2020, nearest to this town
- Town area
- 9K 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 Martin County’s — the closest measured record, labelled as such rather than passed off as local.
Hardiness Zone Range
Zone 10a is Indiantown's average, not your lot's — a low corner or a tree line moves it. Against Indiantown's 330-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Indiantown
Each reading below is measured for Indiantown itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
From county recordsIndiantown runs about 330 days between hard freezes (read from Martin County, the closest normal to Indiantown) — 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
MeasuredIndiantown 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 Indiantown is in
Indiantown sits in the Southern Coastal Plain — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Indiantown's own centroid rather than borrowed from Martin County.
What Grows in Indiantown
Every plant below cleared Indiantown's own zone 10a and its 330-day season. Each card opens that plant's Florida profile. How we score.
Is it too late to plant in Indiantown?
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 1; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Jan 19 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Dec 15 — 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 Indiantown
Closest first, within ~10 miles of Indiantown. Listing isn't leaking, and distance isn't exposure.
- SOUTH FL WATER MGMT DIST-INDIANTOWNUnderground Storage Tanks · 0.5 mi
- UNIVERSAL POTTERY CORPUnderground Storage Tanks · 0.5 mi
- CEMEX CONSTRUCTION MATERIALSToxics Release Inventory · 0.5 mi
- CEMEX - INDIANTOWN READY-MIXUnderground Storage Tanks · 0.6 mi
- INDIANWOOD GOLF & COUNTRY CLUB INCBrownfields · 0.6 mi
- ROYSTER-CLARK INCORPORATEDToxics Release Inventory · 0.6 mi
- GENUINE BIO-FUEL INCBrownfields · 0.6 mi
- MARTIN CNTY-BOOKER PARK VOLUNT FIRE DEPTUnderground Storage Tanks · 1.0 mi
- MARTIN CNTY COURTHOUSE ANNEX INDIANTOWNUnderground Storage Tanks · 1.0 mi
- INDIANTOWN WASTE WATER TREATMENT PLTUnderground Storage Tanks · 1.0 mi
- W & W LUMBER & BLDG SUPPLIES INCUnderground Storage Tanks · 1.1 mi
- GRIND HARD PRIMERBrownfields · 1.1 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Indiantown'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 Indiantown.
Sources Checked
within ~10 miles of Indiantown
Severity Distribution
within ~10 miles of Indiantown
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Indiantown, Nitrate runs higher than the national average — 56 sites within ~10 miles of Indiantown. It's not cause for alarm — it's worth knowing, and there's a sensible way to grow around it.
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 Indiantown
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 Indiantown average
Your land is one point inside Indiantown
Everything above resolves to Indiantown as a whole — one PHZM band, read across 9K acres, with hard-freeze dates borrowed from Martin 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 Indiantown Average
Indiantown Average
- ●USDA Zones 10a, averaged across Indiantown
- ●One soil character for all of Indiantown
- ●Frost dates read at Indiantown's scale: Jan 19 to Dec 15
YOUR Parcel
- ✓Your exact zone, not Indiantown's 10a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Indiantown
Pull a site-specific report for your exact address in Indiantown, Florida — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Indiantown averages can't show:
We read public map data around Indiantown — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Indiantown average
How we know this about Indiantown
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 Martin 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 Indiantown
When does frost risk typically end in Indiantown?
The last hard freeze (28°F) in Indiantown typically lands around Jan 19, 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 9.
When is the first frost in Indiantown?
The first hard freeze (28°F) in Indiantown typically arrives around Dec 15, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Dec 1, so the watching starts about Nov 15 — about 330 days after the spring freeze cleared.
How long is the growing season in Indiantown?
Measured between 28°F hard freezes, Indiantown sees about 330 frost-free days — roughly Jan 19 through Dec 15, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Feb 9 to Dec 1, about 295 days.
Is the soil safe to grow vegetables in Indiantown?
The federal record around Indiantown is a meaningful one — 128 documented sites, mostly Nitrate entries (56), the nearest Underground Storage Tanks record about 0.5 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 Indiantown?
From about Nov 15 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 15 (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 15. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Indiantown's scale — its 10a band and its 330-day season. Your yard writes its own version of Indiantown'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 Indiantown’s own scale
5 of the readings below were taken at Indiantown's own scale — the 9,075 acres it covers and 128 documented sites around it; 5 are borrowed from a wider read, named and linked below.
Measured here
- Indiantown's own USDA hardiness band, zones 10aUSDA PHZM 2023
- 128 documented contamination sites on the federal record near Indiantown, the closest Underground Storage Tanks record about 0.5 miles out from the town centreFederal environmental registers
- Indiantown's boundary and the 9,075 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 10a and a ~330-day seasonGrowable Ground crop-matching engine
- The ecoregion at Indiantown's own centroid, the Southern Coastal PlainUS EPA Level III Ecoregions
Inherited from a wider read
- The 28°F hard-freeze dates — Indiantown has no normal of its own, so its county's is the closest measured readfrom Martin County
- Soil character — no town-scale survey exists, so Indiantown's 9,075 acres read through its county's SSURGO summaryfrom Martin County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Martin 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 Martin County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Indiantown's 9,075 acreswhy one lot differs from the next →
- Which side of Indiantown you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 9,075 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 0.5 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 Indiantown-wide figureread your own land →