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

Planting zone for 30362 — Atlanta, GA

ZIP code 30362 (Atlanta, DeKalb County) is in USDA zone 8a: the coldest winter night averages 10 to 15 °F. The median last spring frost is March 25 and the first fall frost November 9.

Where ZIP 30362 is

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.

Zone8a10 to 15 °F
Coldest night−12.2 to −9.4 °C
Last frostMar 25
First frostNov 9
2012 zone7b

Was 7b on the 2012 map — half a zone warmer now. The zone is the one at the center of the ZIP code; hilly ZIPs can span two zones. What zone 8a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Atlanta, 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 Atlanta, 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 12only 10% chance of frost after
First fall frostNovember 9median — 10% chance by Oct 26
Growing season228 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 12 and returns around November 22.

From the NOAA station Atlanta Peachtree Airport, GA — 13 miles away, elevation 1,001 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 30362

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 14 – Sep 28
GarlicPlant cloves · Oct 26 – Nov 30
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Mar 25) and first fall frost (Nov 9) 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 30362 came on Feb 15 — 3 days later than the 1991–2020 average (Feb 12).

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).

Soil in Atlanta, GA

The soil mapped at the center of ZIP 30362 is Gwinnett — loam, well drained.

TextureLoama good balance for most vegetables
pH5.8moderately acidic; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter2%moderate
Hydrologic groupBwater soaks in moderately
Farmland classFarmland of statewide importanceUSDA classification

Map unit: Gwinnett loam, 6 to 10 percent slopes, eroded.

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 30362; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Atlanta, GA

Summer high89 °Faverage high, July
Winter low33 °Faverage low, January
Hot days53days a year at 90 °F or more
Freezing nights49nights a year at 32 °F or less
Growing degree days5,025base 50 °F — the season’s usable heat
Longest day14 h 25 mindaylight on June 21
Shortest day9 h 54 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation53.5 inper year, rain and melted snow

Average high and low, by month

20°30°40°50°60°70°80°90°100°32 °FJanuary: average high 52 °F, low 33 °F 52°33° JanFebruary: average high 56 °F, low 36 °F 56°36° FebMarch: average high 64 °F, low 42 °F 64°42° MarApril: average high 73 °F, low 49 °F 73°49° AprMay: average high 80 °F, low 59 °F 80°59° MayJune: average high 86 °F, low 66 °F 86°66° JunJuly: average high 89 °F, low 70 °F 89°70° JulAugust: average high 88 °F, low 69 °F 88°69° AugSeptember: average high 83 °F, low 63 °F 83°63° SepOctober: average high 73 °F, low 51 °F 73°51° OctNovember: average high 63 °F, low 41 °F 63°41° NovDecember: average high 54 °F, low 36 °F 54°36° Dec

Precipitation by month inches

0″1″2″3″4″5″6″January: 4.83 in precipitation 4.8 JanFebruary: 4.66 in precipitation 4.7 FebMarch: 4.91 in precipitation 4.9 MarApril: 3.96 in precipitation 4.0 AprMay: 3.90 in precipitation 3.9 MayJune: 4.70 in precipitation 4.7 JunJuly: 4.63 in precipitation 4.6 JulAugust: 5.05 in precipitation 5.0 AugSeptember: 4.37 in precipitation 4.4 SepOctober: 3.54 in precipitation 3.5 OctNovember: 4.13 in precipitation 4.1 NovDecember: 4.85 in precipitation 4.8 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Atlanta Peachtree Airport, GA (13 mi away); precipitation: Lawrenceville 4.2 Sw, GA (2 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 8a.

300868a
Stone Mountain, GA · <1 mi
303338a
Atlanta, GA · <1 mi
303568a
Atlanta, GA · <1 mi
303598a
Atlanta, GA · <1 mi
303668a
Atlanta, GA · <1 mi
311198a
Atlanta, GA · <1 mi
311418a
Atlanta, GA · <1 mi
311458a
Atlanta, GA · <1 mi

All 89 ZIP codes in Atlanta → · Georgia planting zones →

Questions about 30362

What planting zone is ZIP code 30362?

ZIP code 30362 (Atlanta, GA) is in USDA hardiness zone 8a on the 2023 map: the coldest night of an average winter reaches 10 to 15 °F (−12.2 to −9.4 °C).

When is the last frost in Atlanta, GA?

The median last spring frost (32 °F) near 30362 is March 25; after April 12 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Atlanta Peachtree Airport station.

When is the first frost in Atlanta, GA?

The median first fall frost near 30362 is November 9, giving a median frost-free growing season of 228 days.

When should I plant tomatoes in 30362?

Start tomato seeds indoors around Jan 28 – Feb 11 and set transplants outside around Apr 1 – Apr 15, one to three weeks after the median last frost.

How much rain and snow does 30362 get?

About 53.5 inches of precipitation a year (NOAA 1991–2020 normals, Lawrenceville 4.2 Sw station).

How hot do summers get in Atlanta, GA?

The average high peaks at 89 °F in July, with about 53 days a year at 90 °F or more.

What kind of soil does 30362 have?

The USDA soil survey maps Gwinnett at the center of ZIP 30362: loam, well drained, pH about 5.8 (moderately acidic).

Did spring come early in Atlanta, GA in 2026?

Spring leaf-out near 30362 came on Feb 15 in 2026, 3 days later than the 1991–2020 average (Feb 12), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Atlanta, GA?

Intermediate onions: the longest day near 30362 is 14 h 25 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

Did the zone for 30362 change?

Yes. The 2012 USDA map put 30362 in zone 7b; the 2023 map puts it in zone 8a. The newer map uses 1991–2020 data and more weather stations.