Cactus Flats, Arizona, sits in USDA hardiness zone 8b — room for a real mix of vegetables, fruit, and perennials matched to the local frost calendar.
The conditions favor cabbage, fig, california poppy, and collard greens, among others — though every individual site edits that list with its own soil, sun, and drainage.
Even in Cactus Flats, 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 Cactus Flats 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 Cactus Flats — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Cactus Flats — the short answer
Cactus Flats, Arizona: USDA zone 8b, about 268 days between hard freezes, across 4K acres of town.
- USDA zone
- 8b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Feb 26
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 21
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~268
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 4K 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 8b is Cactus Flats's average, not your lot's — a low corner or a tree line moves it. Against Cactus Flats's 268-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Cactus Flats
Each reading below is measured for Cactus Flats itself — here is what it means for a garden here, and the move an experienced grower makes about it.

Season length
MeasuredCactus Flats runs about 268 days between hard freezes — 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
MeasuredCactus Flats sits in USDA hardiness zone 8b.
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 Cactus Flats is in
Cactus Flats sits in the Chihuahuan Deserts — EPA Level III, inside the wider North American Deserts. That is read at Cactus Flats's own centroid, and it is not what its county reads: Graham County is mostly Madrean Archipelago. The wider page above you is answering a different question about different ground.
What Grows in Cactus Flats
Every plant below cleared Cactus Flats's own zone 8b and its 268-day season. Each card opens that plant's Arizona profile. How we score.






























Is it too late to plant in Cactus Flats?
Almost never — the real question is what to plant next. Cool-season crops can go in from around Jan 29; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Feb 26 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 21 — 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.
Documented around Cactus Flats
Survey cells within 31 miles of Cactus Flats checked for spotted lanternfly, none carrying a detection — a surveyed negative, not an absence of looking. Nearest documented record 433 miles off. What to watch for.
What's on the federal record near Cactus Flats
Closest first, within ~10 miles of Cactus Flats. Listing isn't leaking, and distance isn't exposure.
- JOBI'S CONVENIENCE MARKETUnderground Storage Tanks · 1.4 mi
- MOUNT GRAHAM MARKETUnderground Storage Tanks · 2.4 mi
- ARIZONA ARMY NATIONAL GUARD - MAINTENANCE SHOPUnderground Storage Tanks · 2.5 mi
- GRAHAM COUNTY - PARKS & RECREATIONUnderground Storage Tanks · 2.5 mi
- USDOJ FCI - SAFFORDBrownfields · 2.6 mi
- CITY OF SAFFORD - MESA YARDUnderground Storage Tanks · 2.8 mi
- MOUNT GRAHAM INTERNATIONAL OBSERVATORYUnderground Storage Tanks · 2.9 mi
- GILA VALLEY BLOCK COMPANYUnderground Storage Tanks · 2.9 mi
- BLOCK PLANTUnderground Storage Tanks · 2.9 mi
- ADOT - SAFFORD MAINTENANCEUnderground Storage Tanks · 2.9 mi
- FEDERAL CORRECTIONAL INSTITUTION SAFFORDToxics Release Inventory · 3.0 mi
- USDOJ FCI - SAFFORDUnderground Storage Tanks · 3.0 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Cactus Flats'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 Cactus Flats.
Total Sites
131
within ~10 miles of Cactus Flats
Risk Level
Elevated
Highest-severity
1 Superfund site (none NPL-listed)
Sources Checked
within ~10 miles of Cactus Flats
Severity Distribution
within ~10 miles of Cactus Flats
Highest-Severity Sites
Know Before You Grow
- •Underground tanks leak petroleum as they age — near a former filling station, test the soil.
- •On a private well, test for nitrates: above 10 mg/L the water needs treatment before irrigating.
- •Near a brownfield, raised beds of imported soil give your food clean ground.
Check your specific parcel in Cactus Flats
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 Cactus Flats average
Your land is one point inside Cactus Flats
Everything above resolves to Cactus Flats as a whole — one PHZM band and one 28°F frost record, read across 4K 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 Cactus Flats Average
Cactus Flats Average
- ●USDA Zones 8b, averaged across Cactus Flats
- ●One soil character for all of Cactus Flats
- ●Frost dates read at Cactus Flats's scale: Feb 26 to Nov 21
YOUR Parcel
- ✓Your exact zone, not Cactus Flats's 8b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Cactus Flats
Pull a site-specific report for your exact address in Cactus Flats, Arizona — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Cactus Flats averages can't show:
We read public map data around Cactus Flats — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Cactus Flats average
How we know this about Cactus Flats
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 Cactus Flats’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 Cactus Flats
When does frost risk typically end in Cactus Flats?
The last hard freeze (28°F) in Cactus Flats typically lands around Feb 26, 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 Mar 19.
When is the first frost in Cactus Flats?
The first hard freeze (28°F) in Cactus Flats typically arrives around Nov 21, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 7, so the watching starts about Oct 22 — about 268 days after the spring freeze cleared.
How long is the growing season in Cactus Flats?
Measured between 28°F hard freezes, Cactus Flats sees about 268 frost-free days — roughly Feb 26 through Nov 21, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Mar 19 to Nov 7, about 233 days.
Is the soil safe to grow vegetables in Cactus Flats?
The federal record around Cactus Flats is a meaningful one — 131 documented sites, mostly Underground Storage Tanks entries (79), the nearest Underground Storage Tanks record about 1.4 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 Cactus Flats?
From about Oct 22 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 21 (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 21. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Cactus Flats's scale — its 8b band and its 268-day season. Your yard writes its own version of Cactus Flats'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 Cactus Flats’s own scale
7 of the readings below were taken at Cactus Flats's own scale — its own ~268-day season between 28°F freezes, the 3,980 acres it covers and 131 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Cactus Flats's own USDA hardiness band, zones 8bUSDA PHZM 2023
- Cactus Flats's own 28°F hard-freeze dates, about Feb 26 and Nov 21 and the ~268-day span between themNOAA 1991–2020 Climate Normals
- 131 documented contamination sites on the federal record near Cactus Flats, the closest Underground Storage Tanks record about 1.4 miles out from the town centreFederal environmental registers
- Cactus Flats's boundary and the 3,980 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 8b and a ~268-day seasonGrowable Ground crop-matching engine
- Cactus Flats sits in the Chihuahuan Deserts — not the ecoregion its county mostly readsUS EPA Level III Ecoregions
- Lanternfly survey cells around Cactus Flats checked, none carrying a detectionlydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Cactus Flats's 3,980 acres read through its county's SSURGO summaryfrom Graham County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Graham 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 Graham County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Cactus Flats's 3,980 acreswhy one lot differs from the next →
- Which side of Cactus Flats you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 3,980 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 1.4 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 Cactus Flats-wide figureread your own land →
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