Hamburg, Arkansas, sits in USDA hardiness zone 8b — room for a real mix of vegetables, fruit, and perennials matched to the local frost calendar.
Reliable performers under these conditions include cabbage, fig, california poppy, and collard greens; what your own ground favors still comes down to its soil, sun, and drainage.
Even in Hamburg, 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 Hamburg 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 Hamburg — soil, climate, flood, and parcel records. How we handle your address.
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Hamburg — the short answer
Hamburg, Arkansas: USDA zone 8b, about 268 days between hard freezes, across 2K acres of city.
- USDA zone
- 8b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Feb 28
- Ashley County normal — NOAA 1991–2020, nearest to this town
- First hard freeze (28°F)
- Nov 23
- Ashley County normal — NOAA 1991–2020, nearest to this town
- Days between freezes
- ~268
- Ashley County normal — NOAA 1991–2020, nearest to this town
- City area
- 2K acres
- US Census TIGER/Line 2025
Every figure names the dataset it came from. No 30-year normal resolves at this town’s own centroid, so the hard-freeze dates are Ashley County’s — the closest measured record, labelled as such rather than passed off as local.
Hardiness Zone Range
Zone 8b is Hamburg's average, not your lot's — a low corner or a tree line moves it. Against Hamburg's 268-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Hamburg
Each reading below is measured for Hamburg itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
From county recordsHamburg runs about 268 days between hard freezes (read from Ashley County, the closest normal to Hamburg) — 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
MeasuredHamburg 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 Hamburg is in
Hamburg sits in the South Central Plains — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Hamburg's own centroid rather than borrowed from Ashley County.
What Grows in Hamburg
Every plant below cleared Hamburg's own zone 8b and its 268-day season. Each card opens that plant's Arkansas profile. How we score.
Is it too late to plant in Hamburg?
Usually not — gardeners here simply switch what goes in the ground as the season moves. Cool-season crops can go in from around Jan 31; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Feb 28 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 23 — long-season crops need about 90 days of runway, quick greens only 30. With almost year-round growing weather, timing is about heat and rainfall more than frost — some bench is always in play.
What's on the federal record near Hamburg
Closest first, within ~10 miles of Hamburg. Listing isn't leaking, and distance isn't exposure.
- CARLE CORNERUnderground Storage Tanks · 100 ft
- HANDI KORNER #1Underground Storage Tanks · 150 ft
- PIONEER OIL COMPANY #121Underground Storage Tanks · 250 ft
- J & A ONE STOPUnderground Storage Tanks · 500 ft
- HAMBURG SCHOOL BUS SHOPUnderground Storage Tanks · 850 ft
- ASHLEY GAS & TACKLEUnderground Storage Tanks · 1000 ft
- GAS MART #4Underground Storage Tanks · 1500 ft
- JACKIE'S MINI MARTUnderground Storage Tanks · 1700 ft
- WEATHERLY EXXON INCUnderground Storage Tanks · 1800 ft
- COURSON LP GAS COUnderground Storage Tanks · 1900 ft
- FOUNTAIN HILL STATIONUnderground Storage Tanks · 2000 ft
- BUILDERS TRANSPORT, INC.Underground Storage Tanks · 2000 ft
6 more sites are on the record inside the same radius. See them on the map
Measured from Hamburg'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 Hamburg.
Total Sites
57
within ~10 miles of Hamburg
Risk Level
Moderate
Highest-severity
2 Toxics Release Inventory facilities
Sources Checked
within ~10 miles of Hamburg
Severity Distribution
within ~10 miles of Hamburg
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Hamburg, Underground Storage Tanks runs higher than the national average — 39 sites within ~10 miles of Hamburg. Knowing it is half the work — and it's nothing a thoughtful grower can't plan for.
Underground Storage Tanks: Underground storage tanks are the single most common source of soil contamination near homes and gardens.
Use raised beds with imported soil — this eliminates the primary soil-contact pathway.
Check your specific parcel in Hamburg
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 Hamburg average
Your land is one point inside Hamburg
Everything above resolves to Hamburg as a whole — one PHZM band, read across 2K acres, with hard-freeze dates borrowed from Ashley County’s record because no 30-year normal resolves at this city’s own centroid. 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 Hamburg Average
Hamburg Average
- ●USDA Zones 8b, averaged across Hamburg
- ●One soil character for all of Hamburg
- ●Frost dates read at Hamburg's scale: Feb 28 to Nov 23
YOUR Parcel
- ✓Your exact zone, not Hamburg's 8b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Hamburg
Pull a site-specific report for your exact address in Hamburg, Arkansas — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Hamburg averages can't show:
We read public map data around Hamburg — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Hamburg average
How we know this about Hamburg
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 Ashley County’s record, because none resolves here; 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 Hamburg
When does frost risk typically end in Hamburg?
The last hard freeze (28°F) in Hamburg typically lands around Feb 28, 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 21.
When is the first frost in Hamburg?
The first hard freeze (28°F) in Hamburg typically arrives around Nov 23, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 9, so the watching starts about Oct 24 — about 268 days after the spring freeze cleared.
How long is the growing season in Hamburg?
Measured between 28°F hard freezes, Hamburg sees about 268 frost-free days — roughly Feb 28 through Nov 23, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Mar 21 to Nov 9, about 233 days.
Is the soil safe to grow vegetables in Hamburg?
The federal record around Hamburg shows 57 documented sites, mostly Underground Storage Tanks entries (39), the nearest Underground Storage Tanks record under a tenth of a mile out — a typical footprint for a growing area, and proximity to a documented site is information, not a diagnosis of any one yard. It's worth seeing which recorded sites sit closest to where you grow, and testing the soil before new food beds near any of them.
How do I protect my plants from frost in Hamburg?
From about Oct 24 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 23 (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 23. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Hamburg's scale — its 8b band and its 268-day season. Your yard writes its own version of Hamburg'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 Hamburg’s own scale
5 of the readings below were taken at Hamburg's own scale — the 2,198 acres it covers and 57 documented sites around it; 5 are borrowed from a wider read, named and linked below.
Measured here
- Hamburg's own USDA hardiness band, zones 8bUSDA PHZM 2023
- 57 documented contamination sites on the federal record near Hamburg, the closest Underground Storage Tanks record under a tenth of a mile out from the town centreFederal environmental registers
- Hamburg's boundary and the 2,198 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 8b and a ~268-day seasonGrowable Ground crop-matching engine
- The ecoregion at Hamburg's own centroid, the South Central PlainsUS EPA Level III Ecoregions
Inherited from a wider read
- The 28°F hard-freeze dates — Hamburg has no normal of its own, so its county's is the closest measured readfrom Ashley County
- Soil character — no town-scale survey exists, so Hamburg's 2,198 acres read through its county's SSURGO summaryfrom Ashley County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Ashley County
- The growing challenges every Arkansas grower plans around — written at state scale, so they stay on the state guidefrom Arkansas
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Ashley County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Hamburg's 2,198 acreswhy one lot differs from the next →
- Which side of Hamburg you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 2,198 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 Hamburg-wide figureread your own land →