What Grows in Hackberry, Arizona

USDA Zones 7a-8b · 11K acres

Hackberry, Arizona, sits in USDA hardiness zones 7a-8b — a range where zone-matched perennials and frost-aware annual timing set what succeeds.

On paper, palo verde, jalapeno, date palm, and prickly pear all suit these conditions — on the ground, soil, sun, and drainage make the final call.

Score your parcel · free

Even in Hackberry, 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 Hackberry lot. Enter your address and we'll score 1,112 plants against your land's actual soil, sun, and frost.

We read public map data for this spot — soil, climate, flood, and parcel records. How we handle your address.

No card required · your full report in seconds

Quick Facts

USDA Zones

7a-8b

Last Hard Freeze (28°F)

Feb 1

Town normal — light frosts run a few weeks later

First Hard Freeze (28°F)

Dec 2

Town normal — light frosts arrive a few weeks earlier

Town Area

11K acres

Hardiness Zone Range

7a
8b
3a (Cold)13b (Hot)

Zone maps are averages across Hackberry. Your yard's slope, trees, and frost pockets shift what actually grows — see your land's exact reading.

Soil varies lot by lot — soil types explained.

Is it too late to plant in Hackberry?

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 4; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Feb 1 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Dec 2 — long-season crops need about 90 days of runway, quick greens only 30. And with a calendar this mild, the honest answer is that planting barely stops — winter opens seasons colder regions never see.

Growing Challenges in Arizona

What an experienced grower plans around here — each one has a move.

Extreme heat exceeding 110F stresses most plants

Desert gardens run on winter: plant to the October-March windows and give the summer holdouts afternoon shade.

Minimal rainfall requires drip irrigation

Drip plus a deep mulch layer is the desert baseline — it waters roots, not air, and cuts evaporation dramatically.

Caliche hardpan prevents root penetration without breaking through

Where caliche won't break, build up instead — a deep raised bed gives roots the depth the ground refuses.

For cultivar selection, pest pressure, and planting-time guidance specific to Arizona, the University of Arizona Cooperative Extension is the authoritative local source.

Environmental Intelligence

Understanding what's nearby helps you make informed decisions about where and how to grow.

Total Sites

28

within ~10 miles of Hackberry

Risk Level

Elevated

Highest-severity

8 mining sites

Severity Distribution

within ~10 miles of Hackberry

High5Moderate19Low4

Highest-Severity Sites

Bia Truxton Agency
PFAS Sampling · PFAS Detected
Hackberry Mine
Mining Sites · Past Producer
La Suerte
Mining Sites · Past Producer
Middle Hackberry
Mining Sites · Unknown
Walkover Mine
Mining Sites · Past Producer

A note from Gnorman

What an experienced grower watches for around here

In and around Hackberry, two things run higher than the national average — Mining (8 sites) and Nitrate (14 sites). Knowing it is half the work — and it's nothing a thoughtful grower can't plan for.

Mining: Mining sites — both historic and active — can leach heavy metals (arsenic, lead, cadmium, mercury) into soil and water for centuries after operations cease.

Nitrate: Nitrate contamination primarily comes from agricultural fertilizer runoff and failing septic systems.

Test soil for heavy metals (lead, arsenic, cadmium, mercury) — this is essential near any mining site.

Test well water for nitrate if you rely on a private well for irrigation (EPA standard: 10 mg/L).

Free Report

Check your specific parcel in Hackberry

Get exact proximity distances to contamination sources for your specific parcel — plus soil, sun, drainage, and 1,112 plant recommendations.

Three things about your exact spot that zone averages miss:

Your soil pHYour frost-free daysYour sun & shade

We read public map data for this spot — soil, climate, flood, and parcel records. How we handle your address.

25+ data sources analyzed in seconds

Your Specific Parcel Matters

Hackberry Average

  • USDA Zones 7a-8b
  • Generic soil type for the area
  • State-average frost dates

YOUR Parcel

  • Your exact hardiness zone
  • Your SSURGO soil type & pH
  • Your sun exposure, cast in 3D

See MY Growing Report

Free Report

Read your specific parcel in Hackberry

Pull a site-specific report for your exact address in Hackberry, Arizona — soil, sun, drainage, frost risk, and scored plant recommendations.

Three things about your exact spot that zone averages miss:

Your soil pHYour frost-free daysYour sun & shade

We read public map data for this spot — soil, climate, flood, and parcel records. How we handle your address.

25+ data sources analyzed in seconds

Key Growing Facts for Hackberry, Arizona

  • USDA Hardiness Zones: 7a-8b (USDA PHZM 2023)
  • Last Hard Freeze (28°F): Feb 1 (town normal, NOAA 1991–2020 Climate Normals — light frosts can follow for a few weeks)
  • First Hard Freeze (28°F): Dec 2 (town normal, NOAA 1991–2020 Climate Normals — light frosts can arrive a few weeks earlier)
  • Days Between Hard Freezes: ~304 (town normal, NOAA 1991–2020 Climate Normals)
  • Land Area: 11K acres (US Census TIGER 2025)

Zone data: USDA ARS Plant Hardiness Zone Map 2023. Climate data: NOAA NCEI. Boundaries: US Census TIGER/Line 2025.

Frequently Asked Questions

What hardiness zone is Hackberry, Arizona?

Hackberry sits in USDA hardiness zones 7a-8b, per the USDA Plant Hardiness Zone Map 2023. Zones reflect average annual extreme minimum temperatures from 1991–2020 weather data.

Is it too late to plant in Hackberry?

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 4; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Feb 1 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Dec 2 — long-season crops need about 90 days of runway, quick greens only 30. And with a calendar this mild, the honest answer is that planting barely stops — winter opens seasons colder regions never see.

When does frost risk typically end in Hackberry?

The last hard freeze (28°F) in Hackberry typically lands around Feb 1, per NOAA 1991–2020 climate normals — an earlier marker than the light-frost dates many planting charts quote. That marks the hard freeze, not the last light frost — light frosts can still bite for a few more weeks, so tender transplants usually wait another 2–3 weeks.

When is the first frost in Hackberry?

The first hard freeze (28°F) in Hackberry typically arrives around Dec 2, per NOAA 1991–2020 climate normals — the point most tender summer crops finish. Lighter frosts usually reach a couple of weeks earlier, so watch the forecast from late summer on and harvest or cover tender plants before the first cold night.

What vegetables grow in Hackberry?

Hackberry's zones 7a-8b support a wide range — strong performers include Palo Verde, Jalapeno, Date Palm, and Prickly Pear. What actually takes on any one site comes down to its soil, sun, and drainage, and we score each plant against the real conditions at your address.

Which hardiness zone is Hackberry, really?

Officially, Hackberry sits in USDA zones 7a-8b (USDA PHZM 2023) — but a zone is a 30-year average of winter's coldest night across an area, and it can't see any one yard. A south-facing slope, a tree line, or a low frost pocket can shift a single site by half a zone either way, which is why neighboring gardeners often quote different numbers. We read the conditions at your exact address — soil, sun, slope, and frost — and score 1,112 plants against what's actually there.

Is the soil safe to grow vegetables in Hackberry?

The federal record around Hackberry is a meaningful one — 28 documented sites — 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 Hackberry?

As the season closes around the first 28°F hard freeze near Dec 2 (NOAA 1991–2020 climate normals), a few moves buy time: cover tender plants with floating row cover or an old sheet on still, clear nights, water the soil the afternoon before a freeze so it holds warmth overnight, and harvest frost-tender crops like tomatoes, peppers, and basil before the first hard night. Hardy greens and root crops shrug off light frost and often sweeten after it, so leave them in.

Everything on this page is a Hackberry average. Your yard writes its own version — we read soil, sun, drainage, and frost at your exact address. Try it for 14 days — no card required.