Winslow, Arizona, sits in USDA hardiness zone 7a — a range where zone-matched perennials and frost-aware annual timing set what succeeds.
On paper, cabbage, pawpaw, california poppy, and collard greens all suit these conditions — on the ground, soil, sun, and drainage make the final call.
Even in Winslow, 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 Winslow 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 Winslow — soil, climate, flood, and parcel records. How we handle your address.
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Winslow — the short answer
Winslow, Arizona: USDA zone 7a, about 196 days between hard freezes, across 8K acres of city.
- USDA zone
- 7a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 15
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Oct 28
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~196
- NOAA 1991–2020 Climate Normals, 28°F — this town
- City area
- 8K 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 7a is Winslow's average, not your lot's — a low corner or a tree line moves it. Against Winslow's 196-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Winslow
Each reading below is measured for Winslow itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredWinslow runs about 196 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
MeasuredWinslow sits in USDA hardiness zone 7a.
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 Winslow is in
Winslow sits in the Arizona/New Mexico Plateau — EPA Level III, inside the wider North American Deserts. That is read at Winslow's own centroid rather than borrowed from Navajo County.
What Grows in Winslow
Every plant below cleared Winslow's own zone 7a and its 196-day season. Each card opens that plant's Arizona profile. How we score.
Is it too late to plant in Winslow?
Usually not — gardeners here simply switch what goes in the ground as the season moves. Cool-season crops can go in from around Mar 18; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 15 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Oct 28 — long-season crops need about 90 days of runway, quick greens only 30. Late in the year the fall bench takes over — quick greens, radishes, and garlic that repays you next summer.
What's on the federal record near Winslow
Closest first, within ~10 miles of Winslow. Listing isn't leaking, and distance isn't exposure.
- NAVAJO APN 103-15-320Underground Storage Tanks · 350 ft
- PARCEL 103-15-368BUnderground Storage Tanks · 900 ft
- WINSLOW WELDINGUnderground Storage Tanks · 1100 ft
- JW RADIATOR & MARINEUnderground Storage Tanks · 1600 ft
- GENES BODY SHOPBrownfields · 1800 ft
- 103-15-092Underground Storage Tanks · 1900 ft
- CITY OF WINSLOW - WINSLOW-LINDBERGH REGIONAL AIRPORTUnderground Storage Tanks · 2000 ft
- 103-16-338Underground Storage Tanks · 2100 ft
- CIRCLE K #2700404Underground Storage Tanks · 2200 ft
- D & B SIGNSUnderground Storage Tanks · 2300 ft
- RANDYS GARAGEUnderground Storage Tanks · 2300 ft
- JACKSONS ENERGY #6794Underground Storage Tanks · 2400 ft
6 more sites are on the record inside the same radius. See them on the map
Measured from Winslow'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 Winslow.
Total Sites
126
within ~10 miles of Winslow
Risk Level
Elevated
Highest-severity
1 Superfund site (none NPL-listed)
Sources Checked
within ~10 miles of Winslow
Severity Distribution
within ~10 miles of Winslow
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Winslow, Nitrate runs higher than the national average — 50 sites within ~10 miles of Winslow. 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 Winslow
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 Winslow average
Your land is one point inside Winslow
Everything above resolves to Winslow as a whole — one PHZM band and one 28°F frost record, read across 8K 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 Winslow Average
Winslow Average
- ●USDA Zones 7a, averaged across Winslow
- ●One soil character for all of Winslow
- ●Frost dates read at Winslow's scale: Apr 15 to Oct 28
YOUR Parcel
- ✓Your exact zone, not Winslow's 7a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Winslow
Pull a site-specific report for your exact address in Winslow, Arizona — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Winslow averages can't show:
We read public map data around Winslow — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Winslow average
How we know this about Winslow
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 Winslow’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 Winslow
When does frost risk typically end in Winslow?
The last hard freeze (28°F) in Winslow typically lands around Apr 15, 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 6.
When is the first frost in Winslow?
The first hard freeze (28°F) in Winslow typically arrives around Oct 28, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 14, so the watching starts about Sep 28 — about 196 days after the spring freeze cleared.
How long is the growing season in Winslow?
Measured between 28°F hard freezes, Winslow sees about 196 frost-free days — roughly Apr 15 through Oct 28, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer May 6 to Oct 14, about 161 days.
Is the soil safe to grow vegetables in Winslow?
The federal record around Winslow is a meaningful one — 126 documented sites, mostly Underground Storage Tanks entries (67), the nearest Underground Storage Tanks 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 Winslow?
From about Sep 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 Oct 28 (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 28. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Winslow's scale — its 7a band and its 196-day season. Your yard writes its own version of Winslow'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 Winslow’s own scale
6 of the readings below were taken at Winslow's own scale — its own ~196-day season between 28°F freezes, the 8,312 acres it covers and 126 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Winslow's own USDA hardiness band, zones 7aUSDA PHZM 2023
- Winslow's own 28°F hard-freeze dates, about Apr 15 and Oct 28 and the ~196-day span between themNOAA 1991–2020 Climate Normals
- 126 documented contamination sites on the federal record near Winslow, the closest Underground Storage Tanks record under a tenth of a mile out from the town centreFederal environmental registers
- Winslow's boundary and the 8,312 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 7a and a ~196-day seasonGrowable Ground crop-matching engine
- The ecoregion at Winslow'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 Winslow's 8,312 acres read through its county's SSURGO summaryfrom Navajo County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Navajo 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 Navajo County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Winslow's 8,312 acreswhy one lot differs from the next →
- Which side of Winslow you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 8,312 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 Winslow-wide figureread your own land →
More in Arizona
Wider growing context
What grows across ArizonaWinslow sits outside our named growing regions, so Arizona as a whole is its closest context here.
Nearby growing guides