Tuba City, Arizona, sits in USDA hardiness zone 7b — 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: cabbage, prickly pear, california poppy, and collard greens. The site-level story — soil, sun, drainage — decides the rest.
Even in Tuba City, 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 Tuba City 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 Tuba City — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Tuba City — the short answer
Tuba City, Arizona: USDA zone 7b, about 227 days between hard freezes, across 6K acres of town.
- USDA zone
- 7b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 23
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 5
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~227
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 6K 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 7b is Tuba City's average, not your lot's — a low corner or a tree line moves it. Against Tuba City's 227-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Tuba City
Each reading below is measured for Tuba City itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredTuba City runs about 227 days between hard freezes — a long growing season.
There is slack for succession plantings and slow-finishing crops: many vegetables can be sown twice, and the heat-lovers have time to ripen fully.
Plan a second sowing of quick crops after the first comes out, and use the fall window most gardeners let sit idle.
NOAA 1991–2020 Climate Normals
Winter hardiness
MeasuredTuba City sits in USDA hardiness zone 7b.
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 Tuba City is in
Tuba City sits in the Arizona/New Mexico Plateau — EPA Level III, inside the wider North American Deserts. That is read at Tuba City's own centroid rather than borrowed from Coconino County.
What Grows in Tuba City
Every plant below cleared Tuba City's own zone 7b and its 227-day season. Each card opens that plant's Arizona profile. How we score.
Is it too late to plant in Tuba City?
Rarely: the season closes in stages, not all at once, and each stage has its crops. Cool-season crops can go in from around Feb 23; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 23 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 5 — long-season crops need about 90 days of runway, quick greens only 30. A long window like this one runs successions deep into fall — and even its last weeks take quick greens and garlic.
What's on the federal record near Tuba City
Closest first, within ~10 miles of Tuba City. Listing isn't leaking, and distance isn't exposure.
- 03 077-13.77X08.52 [3T-333 TUBA CITY]Nitrate · 400 ft
- 03 078-00.26X08.52Nitrate · 2600 ft
- 03 077-13.75X07.98Nitrate · 0.6 mi
- TUBA CITY HOUSEHOLD HAZ WASTE COLLECTIONBrownfields · 0.7 mi
- 03 077-13.50X07.89Nitrate · 0.7 mi
- 03 077-13.83X07.79Nitrate · 0.8 mi
- USDOI BIA TUBA CITY INDIAN MEDICAL CENTERBrownfields · 0.8 mi
- 03 077-12.88X09.00Nitrate · 1.0 mi
- TUBA CITY UNIFIED SCHOOL DIST TRN DEPTBrownfields · 1.4 mi
- GREYHILLS ACADEMY HIGH SCHOOLBrownfields · 1.5 mi
- USDOI BIA WESTERN NAVAJO FACILITY MGMTBrownfields · 1.5 mi
- 03 078-00.07X07.04Nitrate · 1.6 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Tuba City'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 Tuba City.
Total Sites
45
within ~10 miles of Tuba City
Risk Level
Elevated
Highest-severity
2 Superfund sites (none NPL-listed)
Severity Distribution
within ~10 miles of Tuba City
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Tuba City, Nitrate runs higher than the national average — 36 sites within ~10 miles of Tuba City. That's not a problem with your land — it's information about 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 Tuba City
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 Tuba City average
Your land is one point inside Tuba City
Everything above resolves to Tuba City as a whole — one PHZM band and one 28°F frost record, read across 6K 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 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 Tuba City Average
Tuba City Average
- ●USDA Zones 7b, averaged across Tuba City
- ●One soil character for all of Tuba City
- ●Frost dates read at Tuba City's scale: Mar 23 to Nov 5
YOUR Parcel
- ✓Your exact zone, not Tuba City's 7b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Tuba City
Pull a site-specific report for your exact address in Tuba City, Arizona — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Tuba City averages can't show:
We read public map data around Tuba City — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Tuba City average
How we know this about Tuba City
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 Tuba City’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 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 Tuba City
When does frost risk typically end in Tuba City?
The last hard freeze (28°F) in Tuba City typically lands around Mar 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 Apr 13.
When is the first frost in Tuba City?
The first hard freeze (28°F) in Tuba City typically arrives around Nov 5, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 22, so the watching starts about Oct 6 — about 227 days after the spring freeze cleared.
How long is the growing season in Tuba City?
Measured between 28°F hard freezes, Tuba City sees about 227 frost-free days — roughly Mar 23 through Nov 5, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 13 to Oct 22, about 192 days.
Is the soil safe to grow vegetables in Tuba City?
The federal record around Tuba City is a meaningful one — 45 documented sites, mostly Nitrate entries (36), the nearest Nitrate record under a tenth of a mile 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 Tuba City?
From about Oct 6 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 5 (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 5. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Tuba City's scale — its 7b band and its 227-day season. Your yard writes its own version of Tuba City'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 Tuba City’s own scale
6 of the readings below were taken at Tuba City's own scale — its own ~227-day season between 28°F freezes, the 5,713 acres it covers and 45 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Tuba City's own USDA hardiness band, zones 7bUSDA PHZM 2023
- Tuba City's own 28°F hard-freeze dates, about Mar 23 and Nov 5 and the ~227-day span between themNOAA 1991–2020 Climate Normals
- 45 documented contamination sites on the federal record near Tuba City, the closest Nitrate record under a tenth of a mile out from the town centreFederal environmental registers
- Tuba City's boundary and the 5,713 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 7b and a ~227-day seasonGrowable Ground crop-matching engine
- The ecoregion at Tuba City's own centroid, the Arizona/New Mexico PlateauUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so Tuba City's 5,713 acres read through its county's SSURGO summaryfrom Coconino County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Coconino County
- The growing challenges every Arizona grower plans around — written at state scale, so they stay on the state guidefrom Arizona
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Coconino County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Tuba City's 5,713 acreswhy one lot differs from the next →
- Which side of Tuba City you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 5,713 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Nitrate 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 Tuba City-wide figureread your own land →