Data: 2023 USDA zones (PRISM/OSU) · NOAA 1991–2020 normals · updated

Planting zone for Jonesboro, GA

Jonesboro, GA is in USDA zones 8a to 8b across its 3 ZIP codes. The median last spring frost is March 25 and the first fall frost November 12.

Jonesboro on the zone map

Outlined: its 2 ZIP code areas · tap the map for the zone at any spot · scroll or pinch to zoom

Not the official USDA Plant Hardiness Zone Map. Zones come from the 2023 USDA hardiness-zone data by the PRISM Group, Oregon State University; we re-mapped and recolored them. The official map is at planthardiness.ars.usda.gov.

Zones8a–8b10 to 20 °F
ZIP codes3
Last frostMar 25
First frostNov 12
Growing season235 days

8a 1 ZIP   8b 2 ZIPs

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Jonesboro, GA…

Forecast data: National Weather Service (api.weather.gov), public domain. This is not a warning service — for official frost and freeze warnings see weather.gov.

Frost dates in Jonesboro, GA

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMarch 25median — 50% chance of a later frost
Safe for tender plantsApril 10only 10% chance of frost after
First fall frostNovember 12median — 10% chance by Oct 31
Growing season235 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 8 and returns around November 28.

From the NOAA station Jonesboro, GA, elevation 932 ft. NOAA NCEI U.S. Climate Normals 1991–2020, 32 °F threshold. Low spots and valleys can freeze later in spring than the station.

When to plant vegetables in Jonesboro

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Feb 11 – Feb 25
SpinachSow outdoors · Feb 11 – Mar 4
Broccoli, cabbageStart indoors · Jan 14 – Jan 28
Broccoli, cabbageTransplant · Mar 4 – Mar 18
Onion setsPlant outdoors · Feb 25 – Mar 11
PotatoesPlant outdoors · Mar 4 – Mar 18
LettuceSow outdoors · Feb 25 – Mar 11
Carrots, beetsSow outdoors · Mar 4 – Mar 18
TomatoesStart indoors · Jan 28 – Feb 11
TomatoesTransplant · Apr 1 – Apr 15
Peppers, eggplantStart indoors · Jan 14 – Jan 28
Peppers, eggplantTransplant · Apr 8 – Apr 22
BeansSow outdoors · Apr 1 – Apr 15
Sweet cornSow outdoors · Apr 1 – Apr 15
Cucumbers, squashSow outdoors · Apr 1 – Apr 15
Fall lettuce, spinachSow outdoors · Sep 17 – Oct 1
GarlicPlant cloves · Oct 29 – Dec 3
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Mar 25) and first fall frost (Nov 12) with the rules of thumb U.S. extension services publish. Cool-season crops take a light frost; warm-season crops do best once the soil is above about 60 °F.

When spring arrived in 2026

In 2026, spring leaf-out near 30237 came on Feb 14 — 3 days later than the 1991–2020 average (Feb 11).

JanFebMarAprMayJun

The Spring Index marks the day when accumulated warmth is enough for lilac and honeysuckle to leaf out — a widely used signal that the growing season has started. Source: USA National Phenology Network, www.usanpn.org — Spring Indices, first leaf, 2026 (data as of 2026-09-08) and 30-year average 1991–2020 (CC BY 4.0).

Native plants for zone 8a in Georgia

572 plants native to the lower 48 states, recorded in Georgia, and rated by the USDA to survive 10 °F or colder — the bottom of zone 8a. Each links to its USDA PLANTS profile.

Trees 88

American basswood100 ft · blooms late spring · low shade tolerance · to −46 °FAmerican beech80 ft · blooms mid spring · low shade tolerance · to −44 °FAmerican chestnut115 ft · blooms early summer · high shade tolerance · to −33 °FAmerican elm120 ft · blooms early spring · medium shade tolerance · to −46 °FAmerican sycamore100 ft · blooms spring · medium shade tolerance · to −34 °FAtlantic white cedar50 ft · blooms spring · medium shade tolerance · to −36 °F

Shrubs 138

Allegheny serviceberry35 ft · blooms early spring · low shade tolerance · to −38 °Faloe yucca15 ft · blooms early summer · medium shade tolerance · to −1 °Falternateleaf dogwood25 ft · blooms mid spring · low shade tolerance · to −47 °FAmerican beautyberry6 ft · blooms early summer · medium shade tolerance · to −8 °FAmerican hazelnut10 ft · blooms spring · medium shade tolerance · to −33 °FAmerican holly40 ft · blooms mid spring · low shade tolerance · to −20 °F

Wildflowers & perennials 169

American bur-reed3 ft · blooms indeterminate · medium shade tolerance · to −33 °FAmerican eelgrass1 ft · blooms mid summer · high shade tolerance · to −33 °FAmerican lotus3 ft · blooms mid summer · high shade tolerance · to −36 °FAmerican pokeweed7 ft · blooms mid summer · low shade tolerance · to −33 °FAmerican spongeplant0.5 ft · blooms mid spring · high shade tolerance · to −24 °FAmerican water horehound1.8 ft · blooms early summer · low shade tolerance · to −38 °F

Grasses 152

American cupscale3 ft · blooms early summer · high shade tolerance · to −18 °Fautumn bluegrass1.5 ft · blooms late spring · medium shade tolerance · to −8 °Fawlfruit sedge4 ft · blooms mid spring · low shade tolerance · to −38 °Fbeaked spikerush3 ft · blooms late spring · high shade tolerance · to −28 °Fbig bluestem6 ft · blooms summer · high shade tolerance · to −46 °Fbig cordgrass8 ft · blooms spring · high shade tolerance · to −3 °F

Vines 13

American bittersweet15 ft · blooms spring · low shade tolerance · to −38 °FAmerican wisteria50 ft · blooms spring · low shade tolerance · to −3 °Fcatbird grape30 ft · blooms late spring · medium shade tolerance · to −13 °Fcupseed30 ft · blooms late spring · low shade tolerance · to −3 °Fdevil's darning needles15 ft · blooms mid summer · medium shade tolerance · to −38 °Ffrost grape83 ft · blooms late spring · medium shade tolerance · to −23 °F

Source: USDA, NRCS. 2026. The PLANTS Database (plants.usda.gov), National Plant Data Team — state distribution, native status and the “Temperature, Minimum” characteristic. Check light, moisture and soil needs before buying; local nurseries and your state native plant society can confirm what thrives in Jonesboro, GA.

Soil in Jonesboro, GA

The soil mapped at the center of ZIP 30237 is Cartecay — loam, somewhat poorly drained.

TextureLoama good balance for most vegetables
pH5.8moderately acidic; most vegetables like 6.0–7.0
DrainageSomewhat poorly drainedconsider raised beds
Organic matter2.5%moderate
Hydrologic groupA/Ddrains fast once dried out; wet otherwise
Farmland classFarmland of statewide importanceUSDA classification

Map unit: Cartecay loam, 0 to 2 percent slopes, frequently flooded.

Soil Survey Staff, Natural Resources Conservation Service, USDA. Soil Survey Geographic (SSURGO) Database, via Soil Data Access, accessed 2026-10-29. The soil at the center point of ZIP 30237; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Jonesboro, GA

Summer high90 °Faverage high, July
Winter low32 °Faverage low, January
Hot days59days a year at 90 °F or more
Freezing nights49nights a year at 32 °F or less
Growing degree days5,105base 50 °F — the season’s usable heat
Longest day14 h 23 mindaylight on June 21
Shortest day9 h 56 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation52.9 inper year, rain and melted snow
Snowfall1 inper year

Average high and low, by month

20°30°40°50°60°70°80°90°100°32 °FJanuary: average high 53 °F, low 32 °F 53°32° JanFebruary: average high 57 °F, low 35 °F 57°35° FebMarch: average high 65 °F, low 42 °F 65°42° MarApril: average high 73 °F, low 49 °F 73°49° AprMay: average high 81 °F, low 59 °F 81°59° MayJune: average high 87 °F, low 67 °F 87°67° JunJuly: average high 90 °F, low 70 °F 90°70° JulAugust: average high 89 °F, low 69 °F 89°69° AugSeptember: average high 83 °F, low 63 °F 83°63° SepOctober: average high 73 °F, low 52 °F 73°52° OctNovember: average high 62 °F, low 41 °F 62°41° NovDecember: average high 55 °F, low 35 °F 55°35° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″5″6″January: 5.02 in precipitation, 0.5 in snowfall 5.0❄1 JanFebruary: 4.86 in precipitation 4.9 FebMarch: 4.95 in precipitation, 0.1 in snowfall 5.0 MarApril: 4.19 in precipitation 4.2 AprMay: 3.47 in precipitation 3.5 MayJune: 4.59 in precipitation 4.6 JunJuly: 5.09 in precipitation 5.1 JulAugust: 4.42 in precipitation 4.4 AugSeptember: 3.56 in precipitation 3.6 SepOctober: 3.62 in precipitation 3.6 OctNovember: 4.19 in precipitation 4.2 NovDecember: 4.96 in precipitation, 0.2 in snowfall 5.0 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Jonesboro, GA (2 mi away); precipitation: Jonesboro, GA (2 mi away). Daylight is calculated from latitude.

ZIP codes in Jonesboro

302368b
15 to 20 °F
302378b
15 to 20 °F
302388a
10 to 15 °F

Georgia planting zones →

Questions about Jonesboro

What planting zone is Jonesboro, GA?

Jonesboro, GA is in USDA hardiness zones 8a to 8b on the 2023 map (8a: 10 to 15 °F; 8b: 15 to 20 °F).

When is the last frost in Jonesboro, GA?

The median last spring frost is March 25 and the median first fall frost is November 12 (NOAA 1991–2020 normals, Jonesboro station).

When can I plant a garden in Jonesboro, GA?

Cool-season crops like peas and spinach go in around Feb 11 – Mar 4; tomatoes, peppers, beans and squash after about Apr 1, once frost risk has passed.

What kind of onions grow in Jonesboro, GA?

Intermediate onions: the longest day is 14 h 23 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

How much rain and snow does Jonesboro, GA get?

About 52.9 inches of precipitation a year and 1 inches of snowfall (NOAA 1991–2020 normals).