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

Planting zone for 31088 — Warner Robins, GA

ZIP code 31088 (Warner Robins, Houston County) is in USDA zone 8b: the coldest winter night averages 15 to 20 °F. The median last spring frost is March 11 and the first fall frost November 19.

Where ZIP 31088 is

Outlined: the ZIP code area · 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.

Zone8b15 to 20 °F
Coldest night−9.4 to −6.7 °C
Last frostMar 11
First frostNov 19
2012 zone8a

Was 8a 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 8b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Warner Robins, 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 Warner Robins, GA

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMarch 11median — 50% chance of a later frost
Safe for tender plantsMarch 31only 10% chance of frost after
First fall frostNovember 19median — 10% chance by Nov 4
Growing season256 daysfrost-free, median

A hard freeze (28 °F) usually ends around February 24 and returns around December 4.

From the NOAA station Warner Robins, GA — 2 miles away, elevation 420 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 31088

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Jan 28 – Feb 11
SpinachSow outdoors · Jan 28 – Feb 18
Broccoli, cabbageStart indoors · Dec 31 – Jan 14
Broccoli, cabbageTransplant · Feb 18 – Mar 4
Onion setsPlant outdoors · Feb 11 – Feb 25
PotatoesPlant outdoors · Feb 18 – Mar 4
LettuceSow outdoors · Feb 11 – Feb 25
Carrots, beetsSow outdoors · Feb 18 – Mar 4
TomatoesStart indoors · Jan 14 – Jan 28
TomatoesTransplant · Mar 18 – Apr 1
Peppers, eggplantStart indoors · Dec 31 – Jan 14
Peppers, eggplantTransplant · Mar 25 – Apr 8
BeansSow outdoors · Mar 18 – Apr 1
Sweet cornSow outdoors · Mar 18 – Apr 1
Cucumbers, squashSow outdoors · Mar 18 – Apr 1
Fall lettuce, spinachSow outdoors · Sep 24 – Oct 8
GarlicPlant cloves · Nov 5 – Dec 10
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Mar 11) and first fall frost (Nov 19) 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 31088 came on Feb 11 — 8 days later than the 1991–2020 average (Feb 3).

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 8b in Georgia

590 plants native to the lower 48 states, recorded in Georgia, and rated by the USDA to survive 15 °F or colder — the bottom of zone 8b. Each links to its USDA PLANTS profile.

Trees 89

Shrubs 143

Wildflowers & perennials 174

Grasses 159

Vines 13

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 Warner Robins, GA.

Soil in Warner Robins, GA

The soil mapped at the center of ZIP 31088 is Lucy — sand, well drained.

TextureSanddrains and warms fast; dries out and needs more feeding
pH5.6moderately acidic; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter0.75%low — add compost
Hydrologic groupBwater soaks in moderately
Farmland classFarmland of statewide importanceUSDA classification

Map unit: Lucy sand, 0 to 5 percent slopes.

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 31088; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Warner Robins, GA

Summer high91 °Faverage high, July
Winter low36 °Faverage low, January
Hot days76days a year at 90 °F or more
Freezing nights40nights a year at 32 °F or less
Growing degree days5,947base 50 °F — the season’s usable heat
Longest day14 h 18 mindaylight on June 21
Shortest day10 h 00 mindaylight on December 21
Onions to growShort-daysummer days stay under about 14 h 20 min, so long-day varieties won’t bulb
Precipitation49.9 inper year, rain and melted snow

Average high and low, by month

30°40°50°60°70°80°90°100°32 °FJanuary: average high 58 °F, low 36 °F 58°36° JanFebruary: average high 62 °F, low 40 °F 62°40° FebMarch: average high 69 °F, low 46 °F 69°46° MarApril: average high 76 °F, low 52 °F 76°52° AprMay: average high 83 °F, low 61 °F 83°61° MayJune: average high 89 °F, low 69 °F 89°69° JunJuly: average high 91 °F, low 72 °F 91°72° JulAugust: average high 90 °F, low 72 °F 90°72° AugSeptember: average high 85 °F, low 66 °F 85°66° SepOctober: average high 77 °F, low 56 °F 77°56° OctNovember: average high 67 °F, low 44 °F 67°44° NovDecember: average high 60 °F, low 38 °F 60°38° Dec

Precipitation by month inches

0″1″2″3″4″5″6″January: 4.55 in precipitation 4.5 JanFebruary: 4.61 in precipitation 4.6 FebMarch: 4.65 in precipitation 4.7 MarApril: 3.74 in precipitation 3.7 AprMay: 2.95 in precipitation 3.0 MayJune: 4.58 in precipitation 4.6 JunJuly: 5.05 in precipitation 5.0 JulAugust: 4.56 in precipitation 4.6 AugSeptember: 4.10 in precipitation 4.1 SepOctober: 3.04 in precipitation 3.0 OctNovember: 3.66 in precipitation 3.7 NovDecember: 4.41 in precipitation 4.4 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Warner Robins, GA (2 mi away); precipitation: Warner Robins 0.3 W, GA (2 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 8b.

All 5 ZIP codes in Warner Robins → · Georgia planting zones →

Questions about 31088

What planting zone is ZIP code 31088?

ZIP code 31088 (Warner Robins, GA) is in USDA hardiness zone 8b on the 2023 map: the coldest night of an average winter reaches 15 to 20 °F (−9.4 to −6.7 °C).

When is the last frost in Warner Robins, GA?

The median last spring frost (32 °F) near 31088 is March 11; after March 31 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Warner Robins station.

When is the first frost in Warner Robins, GA?

The median first fall frost near 31088 is November 19, giving a median frost-free growing season of 256 days.

When should I plant tomatoes in 31088?

Start tomato seeds indoors around Jan 14 – Jan 28 and set transplants outside around Mar 18 – Apr 1, one to three weeks after the median last frost.

How much rain and snow does 31088 get?

About 49.9 inches of precipitation a year (NOAA 1991–2020 normals, Warner Robins 0.3 W station).

How hot do summers get in Warner Robins, GA?

The average high peaks at 91 °F in July, with about 76 days a year at 90 °F or more.

What kind of soil does 31088 have?

The USDA soil survey maps Lucy at the center of ZIP 31088: sand, well drained, pH about 5.6 (moderately acidic).

Did spring come early in Warner Robins, GA in 2026?

Spring leaf-out near 31088 came on Feb 11 in 2026, 8 days later than the 1991–2020 average (Feb 3), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Warner Robins, GA?

Short-day onions: the longest day near 31088 is 14 h 18 min, so summer days stay under about 14 h 20 min, so long-day varieties won’t bulb.

Did the zone for 31088 change?

Yes. The 2012 USDA map put 31088 in zone 8a; the 2023 map puts it in zone 8b. The newer map uses 1991–2020 data and more weather stations.