Boston, Georgia, sits in USDA hardiness zone 9a — enough range to grow cool-season vegetables, hardy fruit, and warm-season crops that mature before the first hard frost.
Among the crops suited to this profile: artichoke, fig, california poppy, and cabbage. The site-level story — soil, sun, drainage — decides the rest.
Even in Boston, 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 Boston 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 Boston — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Boston — the short answer
Boston, Georgia: USDA zone 9a, about 304 days between hard freezes, across 1K acres of city.
- USDA zone
- 9a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Feb 9
- Thomas County normal — NOAA 1991–2020, nearest to this town
- First hard freeze (28°F)
- Dec 10
- Thomas County normal — NOAA 1991–2020, nearest to this town
- Days between freezes
- ~304
- Thomas County normal — NOAA 1991–2020, nearest to this town
- City area
- 1K 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 Thomas County’s — the closest measured record, labelled as such rather than passed off as local.
Hardiness Zone Range
Zone 9a is Boston's average, not your lot's — a low corner or a tree line moves it. Against Boston's 304-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Boston
Each reading below is measured for Boston itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
From county recordsBoston runs about 304 days between hard freezes (read from Thomas County, the closest normal to Boston) — 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
MeasuredBoston sits in USDA hardiness zone 9a.
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 Boston is in
Boston sits in the Southeastern Plains — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Boston's own centroid rather than borrowed from Thomas County.
What Grows in Boston
Every plant below cleared Boston's own zone 9a and its 304-day season. Each card opens that plant's Georgia profile. How we score.
Is it too late to plant in Boston?
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 12; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Feb 9 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Dec 10 — 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.
What's on the federal record near Boston
Closest first, within ~10 miles of Boston. Listing isn't leaking, and distance isn't exposure.
- MURPHY'S IGAUnderground Storage Tanks · 300 ft
- BAKER SERVICE STATION TEXACO OFUnderground Storage Tanks · 300 ft
- THE JUNCTION COUNTRY STOREUnderground Storage Tanks · 650 ft
- PANTRY #2Underground Storage Tanks · 700 ft
- BOSTON CITY BARNUnderground Storage Tanks · 900 ft
- 15E005Nitrate · 950 ft
- BOSTON SERVICE STATIONUnderground Storage Tanks · 1700 ft
- CORNER STOREUnderground Storage Tanks · 0.8 mi
- MERRILY FARM HEADQUARTERSUnderground Storage Tanks · 2.4 mi
- 15E002Nitrate · 3.1 mi
- WEBB GROCERYUnderground Storage Tanks · 3.3 mi
- BOSTON TRUCK STOPUnderground Storage Tanks · 4.2 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Boston'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 Boston.
Total Sites
62
within ~10 miles of Boston
Risk Level
Moderate
Highest-severity
1 Toxics Release Inventory facility
Sources Checked
within ~10 miles of Boston
Severity Distribution
within ~10 miles of Boston
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Boston, Underground Storage Tanks runs higher than the national average — 40 sites within ~10 miles of Boston. 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 Boston
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 Boston average
Your land is one point inside Boston
Everything above resolves to Boston as a whole — one PHZM band, read across 1K acres, with hard-freeze dates borrowed from Thomas 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 Boston Average
Boston Average
- ●USDA Zones 9a, averaged across Boston
- ●One soil character for all of Boston
- ●Frost dates read at Boston's scale: Feb 9 to Dec 10
YOUR Parcel
- ✓Your exact zone, not Boston's 9a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Boston
Pull a site-specific report for your exact address in Boston, Georgia — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Boston averages can't show:
We read public map data around Boston — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Boston average
How we know this about Boston
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 Thomas 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 Boston
When does frost risk typically end in Boston?
The last hard freeze (28°F) in Boston typically lands around Feb 9, 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 2.
When is the first frost in Boston?
The first hard freeze (28°F) in Boston typically arrives around Dec 10, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 26, so the watching starts about Nov 10 — about 304 days after the spring freeze cleared.
How long is the growing season in Boston?
Measured between 28°F hard freezes, Boston sees about 304 frost-free days — roughly Feb 9 through Dec 10, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Mar 2 to Nov 26, about 269 days.
Is the soil safe to grow vegetables in Boston?
The federal record around Boston shows 62 documented sites, mostly Underground Storage Tanks entries (40), 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 Boston?
From about Nov 10 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 Dec 10 (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 Dec 10. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Boston's scale — its 9a band and its 304-day season. Your yard writes its own version of Boston'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 Boston’s own scale
5 of the readings below were taken at Boston's own scale — the 1,442 acres it covers and 62 documented sites around it; 5 are borrowed from a wider read, named and linked below.
Measured here
- Boston's own USDA hardiness band, zones 9aUSDA PHZM 2023
- 62 documented contamination sites on the federal record near Boston, the closest Underground Storage Tanks record under a tenth of a mile out from the town centreFederal environmental registers
- Boston's boundary and the 1,442 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 9a and a ~304-day seasonGrowable Ground crop-matching engine
- The ecoregion at Boston's own centroid, the Southeastern PlainsUS EPA Level III Ecoregions
Inherited from a wider read
- The 28°F hard-freeze dates — Boston has no normal of its own, so its county's is the closest measured readfrom Thomas County
- Soil character — no town-scale survey exists, so Boston's 1,442 acres read through its county's SSURGO summaryfrom Thomas County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Thomas County
- The growing challenges every Georgia grower plans around — written at state scale, so they stay on the state guidefrom Georgia
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Thomas County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Boston's 1,442 acreswhy one lot differs from the next →
- Which side of Boston you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 1,442 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 Boston-wide figureread your own land →
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