Santaquin, Utah, sits in USDA hardiness zone 6b — a band that supports both cool-season staples and warm-season crops chosen to fit the local frost window.
Well-matched crops include cabbage, hazelnut, lavender, and collard greens, and the gap between "grows in the area" and "grows in your yard" is closed by soil, sun, and drainage.
Even in Santaquin, 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 Santaquin 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 Santaquin — soil, climate, flood, and parcel records. How we handle your address.
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Santaquin — the short answer
Santaquin, Utah: USDA zone 6b, about 198 days between hard freezes, across 7K acres of city.
- USDA zone
- 6b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 12
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Oct 27
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~198
- NOAA 1991–2020 Climate Normals, 28°F — this town
- City area
- 7K acres
- US Census TIGER/Line 2025
Every figure names the dataset it came from. Hard-freeze dates are this town’s own 28°F normals: light frosts run a few weeks past them, and tender transplants usually wait 2–3 weeks after the last hard freeze.
Hardiness Zone Range
Zone 6b is Santaquin's average, not your lot's — a low corner or a tree line moves it. Against Santaquin's 198-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Santaquin
Each reading below is measured for Santaquin itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredSantaquin runs about 198 days between hard freezes — a moderate growing season.
There is room for the full run of cool-season crops plus a warm-season main crop, but the calendar is tight enough that a late spring or early fall frost still decides how much finishes.
Time warm-season transplants to your last hard freeze, and a few weeks of season extension turns a near-miss harvest into a sure one.
NOAA 1991–2020 Climate Normals
Winter hardiness
MeasuredSantaquin sits in USDA hardiness zone 6b.
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 Santaquin is in
Santaquin sits in the Central Basin and Range — EPA Level III, inside the wider North American Deserts. That is read at Santaquin's own centroid, and it is not what its county reads: Utah County is mostly Wasatch and Uinta Mountains. The wider page above you is answering a different question about different ground.
What Grows in Santaquin
Every plant below cleared Santaquin's own zone 6b and its 198-day season. Each card opens that plant's Utah profile. How we score.
Is it too late to plant in Santaquin?
Almost never — the real question is what to plant next. Cool-season crops can go in from around Mar 15; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 12 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Oct 27 — long-season crops need about 90 days of runway, quick greens only 30. Even past midsummer there is room for a true fall garden here, and garlic planted near the close carries the momentum into next year.
What's on the federal record near Santaquin
Closest first, within ~10 miles of Santaquin. Listing isn't leaking, and distance isn't exposure.
- SANTAQUIN CITY CORP.Underground Storage Tanks · 1000 ft
- OLSON'S GREENHOUSE GARDENSUnderground Storage Tanks · 1000 ft
- OLD UDOT STA. 624Underground Storage Tanks · 2200 ft
- TANNER'S AUTO BODYUnderground Storage Tanks · 2500 ft
- TISCHNER FORD SALES INC.Underground Storage Tanks · 0.5 mi
- UTAH POWER & LIGHT COMPANYUnderground Storage Tanks · 0.6 mi
- (D-10- 1) 1cbb- 1Nitrate · 0.6 mi
- SANTAQUIN CITYPFAS · 0.7 mi
- (C-10- 1) 2bba- 1Nitrate · 0.9 mi
- HOLIDAY OIL #58Underground Storage Tanks · 0.9 mi
- GRAHAM'S FOOD & FUELUnderground Storage Tanks · 1.0 mi
- FAST TRAX SINCLAIRUnderground Storage Tanks · 1.0 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Santaquin'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 Santaquin.
Total Sites
240
within ~10 miles of Santaquin
Risk Level
High
Highest-severity
1 Superfund site (none NPL-listed)
Sources Checked
within ~10 miles of Santaquin
Severity Distribution
within ~10 miles of Santaquin
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Santaquin, two things run higher than the national average within ~10 miles of Santaquin — Mining (52 sites) and CAFO (6 sites). It's not cause for alarm — it's worth knowing, and there's a sensible way to grow around it.
Mining: Mining sites — both historic and active — can leach heavy metals (arsenic, lead, cadmium, mercury) into soil and water for centuries after operations cease.
CAFO: CAFOs pose a different contamination profile than chemical sources.
Test soil for heavy metals (lead, arsenic, cadmium, mercury) — this is essential near any mining site.
Wash all produce consumed raw thoroughly, especially leafy greens grown near CAFOs.
Check your specific parcel in Santaquin
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 Santaquin average
Your land is one point inside Santaquin
Everything above resolves to Santaquin as a whole — one PHZM band and one 28°F frost record, read across 7K acres. 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 Santaquin Average
Santaquin Average
- ●USDA Zones 6b, averaged across Santaquin
- ●One soil character for all of Santaquin
- ●Frost dates read at Santaquin's scale: Apr 12 to Oct 27
YOUR Parcel
- ✓Your exact zone, not Santaquin's 6b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Santaquin
Pull a site-specific report for your exact address in Santaquin, Utah — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Santaquin averages can't show:
We read public map data around Santaquin — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Santaquin average
How we know this about Santaquin
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 Santaquin’s own record; 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 Santaquin
When does frost risk typically end in Santaquin?
The last hard freeze (28°F) in Santaquin typically lands around Apr 12, 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 May 3.
When is the first frost in Santaquin?
The first hard freeze (28°F) in Santaquin typically arrives around Oct 27, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 13, so the watching starts about Sep 27 — about 198 days after the spring freeze cleared.
How long is the growing season in Santaquin?
Measured between 28°F hard freezes, Santaquin sees about 198 frost-free days — roughly Apr 12 through Oct 27, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer May 3 to Oct 13, about 163 days.
Is the soil safe to grow vegetables in Santaquin?
The federal record around Santaquin runs heavier than most — 240 documented sites, mostly Nitrate entries (82), the nearest Underground Storage Tanks record about 0.2 miles out — so test the soil before planting food in the ground, and raised beds with clean imported soil grow well in the meantime. Even here, proximity to a documented site is information, not a diagnosis of any one yard; the contamination map shows exactly what's recorded and where.
How do I protect my plants from frost in Santaquin?
From about Sep 27 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 Oct 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 Oct 27. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Santaquin's scale — its 6b band and its 198-day season. Your yard writes its own version of Santaquin'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 Santaquin’s own scale
6 of the readings below were taken at Santaquin's own scale — its own ~198-day season between 28°F freezes, the 6,751 acres it covers and 240 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Santaquin's own USDA hardiness band, zones 6bUSDA PHZM 2023
- Santaquin's own 28°F hard-freeze dates, about Apr 12 and Oct 27 and the ~198-day span between themNOAA 1991–2020 Climate Normals
- 240 documented contamination sites on the federal record near Santaquin, the closest Underground Storage Tanks record about 0.2 miles out from the town centreFederal environmental registers
- Santaquin's boundary and the 6,751 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 6b and a ~198-day seasonGrowable Ground crop-matching engine
- Santaquin sits in the Central Basin and Range — not the ecoregion its county mostly readsUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so Santaquin's 6,751 acres read through its county's SSURGO summaryfrom Utah County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Utah County
- The growing challenges every Utah grower plans around — written at state scale, so they stay on the state guidefrom Utah
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Utah County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Santaquin's 6,751 acreswhy one lot differs from the next →
- Which side of Santaquin you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 6,751 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 0.2 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 Santaquin-wide figureread your own land →
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