Isle of Hope, Georgia, sits in USDA hardiness zone 9a — room for a real mix of vegetables, fruit, and perennials matched to the local frost calendar.
Expect artichoke, fig, california poppy, and cabbage to be strong candidates here; the deciding factors on any one parcel stay local — soil, sun, and drainage.
Even in Isle of Hope, 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 Isle of Hope 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 Isle of Hope — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Isle of Hope — the short answer
Isle of Hope, Georgia: USDA zone 9a, about 304 days between hard freezes, across 1K acres of town.
- USDA zone
- 9a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Feb 8
- Chatham County normal — NOAA 1991–2020, nearest to this town
- First hard freeze (28°F)
- Dec 9
- Chatham County normal — NOAA 1991–2020, nearest to this town
- Days between freezes
- ~304
- Chatham County normal — NOAA 1991–2020, nearest to this town
- Town 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 Chatham County’s — the closest measured record, labelled as such rather than passed off as local.
Hardiness Zone Range
Zone 9a is Isle of Hope's average, not your lot's — a low corner or a tree line moves it. Against Isle of Hope's 304-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Isle of Hope
Each reading below is measured for Isle of Hope itself — here is what it means for a garden here, and the move an experienced grower makes about it.

Season length
From county recordsIsle of Hope runs about 304 days between hard freezes (read from Chatham County, the closest normal to Isle of Hope) — 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
MeasuredIsle of Hope 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 Isle of Hope is in
Isle of Hope sits in the Southern Coastal Plain — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Isle of Hope's own centroid rather than borrowed from Chatham County.
What Grows in Isle of Hope
Every plant below cleared Isle of Hope'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 Isle of Hope?
Usually not — gardeners here simply switch what goes in the ground as the season moves. Cool-season crops can go in from around Jan 11; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Feb 8 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Dec 9 — 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 Isle of Hope
Closest first, within ~10 miles of Isle of Hope. Listing isn't leaking, and distance isn't exposure.
- ISLE OF HOPE MARINAUnderground Storage Tanks · 0.5 mi
- 37P108Nitrate · 0.7 mi
- HUNTLEY JIFFY STORE #361Underground Storage Tanks · 1.3 mi
- PUMP N PANTRY #15Underground Storage Tanks · 1.3 mi
- SHELL #203Underground Storage Tanks · 1.3 mi
- CVS PHARMACY #7228Brownfields · 1.3 mi
- DAISS OIL COUnderground Storage Tanks · 1.6 mi
- SAMS CLUB #8202Underground Storage Tanks · 1.6 mi
- SAM'S CLUB #8202Brownfields · 1.7 mi
- WALMART SUPERCENTER #605Brownfields · 1.7 mi
- CHATHAM COUNTY FUEL STATIONUnderground Storage Tanks · 1.7 mi
- SKIDAWAY INSTITUTE OF OCEANOGRAPHYBrownfields · 1.7 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Isle of Hope'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 Isle of Hope.
Total Sites
890
within ~10 miles of Isle of Hope
Risk Level
Elevated
Highest-severity
14 Superfund sites (none NPL-listed)
Sources Checked
within ~10 miles of Isle of Hope
Severity Distribution
within ~10 miles of Isle of Hope
Highest-Severity Sites

A note from Gnorman
What an experienced grower watches for around here
In and around Isle of Hope, two things run higher than the national average within ~10 miles of Isle of Hope — Superfund (14 sites) and PFAS (9 sites). That's not a problem with your land — it's information about it.
Superfund: Superfund sites represent the most severe contamination in the federal system.
PFAS: PFAS (per- and polyfluoroalkyl substances) are called "forever chemicals" because they do not biodegrade.
Commission professional soil testing before any food production (test for heavy metals, VOCs, and SVOCs).
Test irrigation water source — this is the primary pathway for PFAS to reach garden crops.
Check your specific parcel in Isle of Hope
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 Isle of Hope average
Your land is one point inside Isle of Hope
Everything above resolves to Isle of Hope as a whole — one PHZM band, read across 1K acres, with hard-freeze dates borrowed from Chatham County’s record because no 30-year normal resolves at this town’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 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 Isle of Hope Average
Isle of Hope Average
- ●USDA Zones 9a, averaged across Isle of Hope
- ●One soil character for all of Isle of Hope
- ●Frost dates read at Isle of Hope's scale: Feb 8 to Dec 9
YOUR Parcel
- ✓Your exact zone, not Isle of Hope's 9a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Isle of Hope
Pull a site-specific report for your exact address in Isle of Hope, Georgia — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Isle of Hope averages can't show:
We read public map data around Isle of Hope — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Isle of Hope average
How we know this about Isle of Hope
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 Chatham 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 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 Isle of Hope
When does frost risk typically end in Isle of Hope?
The last hard freeze (28°F) in Isle of Hope typically lands around Feb 8, 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 1.
When is the first frost in Isle of Hope?
The first hard freeze (28°F) in Isle of Hope typically arrives around Dec 9, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 25, so the watching starts about Nov 9 — about 304 days after the spring freeze cleared.
How long is the growing season in Isle of Hope?
Measured between 28°F hard freezes, Isle of Hope sees about 304 frost-free days — roughly Feb 8 through Dec 9, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Mar 1 to Nov 25, about 269 days.
Is the soil safe to grow vegetables in Isle of Hope?
The federal record around Isle of Hope is a meaningful one — 890 documented sites, mostly Underground Storage Tanks entries (598), the nearest Underground Storage Tanks record about 0.5 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 Isle of Hope?
From about Nov 9 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 9 (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 9. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Isle of Hope's scale — its 9a band and its 304-day season. Your yard writes its own version of Isle of Hope'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 Isle of Hope’s own scale
5 of the readings below were taken at Isle of Hope's own scale — the 1,255 acres it covers and 890 documented sites around it; 5 are borrowed from a wider read, named and linked below.
Measured here
- Isle of Hope's own USDA hardiness band, zones 9aUSDA PHZM 2023
- 890 documented contamination sites on the federal record near Isle of Hope, the closest Underground Storage Tanks record about 0.5 miles out from the town centreFederal environmental registers
- Isle of Hope's boundary and the 1,255 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 Isle of Hope's own centroid, the Southern Coastal PlainUS EPA Level III Ecoregions
Inherited from a wider read
- The 28°F hard-freeze dates — Isle of Hope has no normal of its own, so its county's is the closest measured readfrom Chatham County
- Soil character — no town-scale survey exists, so Isle of Hope's 1,255 acres read through its county's SSURGO summaryfrom Chatham County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Chatham 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 Chatham County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Isle of Hope's 1,255 acreswhy one lot differs from the next →
- Which side of Isle of Hope you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 1,255 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 0.5 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 Isle of Hope-wide figureread your own land →
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