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

Planting zone for 32403 — Panama City, FL

ZIP code 32403 (Panama City, Bay County) is in USDA zone 9b: the coldest winter night averages 25 to 30 °F. The median last spring frost is February 7 and the first fall frost December 24.

Where ZIP 32403 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.

Zone9b25 to 30 °F
Coldest night−3.9 to −1.1 °C
Last frostFeb 7
First frostDec 24
2012 zone9a

Was 9a 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 9b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Panama City, FL…

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 Panama City, FL

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostFebruary 7median — 50% chance of a later frost
Safe for tender plantsMarch 5only 10% chance of frost after
First fall frostDecember 24median — 10% chance by Nov 23
Growing season318 daysfrost-free, median

A hard freeze (28 °F) usually ends around January 23 and returns around January 5.

From the NOAA station Panama City Bay Co. Airport, FL — 14 miles away, elevation 20 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 32403

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Dec 27 – Jan 10
SpinachSow outdoors · Dec 27 – Jan 17
Broccoli, cabbageStart indoors · Nov 29 – Dec 13
Broccoli, cabbageTransplant · Jan 17 – Jan 31
Onion setsPlant outdoors · Jan 10 – Jan 24
PotatoesPlant outdoors · Jan 17 – Jan 31
LettuceSow outdoors · Jan 10 – Jan 24
Carrots, beetsSow outdoors · Jan 17 – Jan 31
TomatoesStart indoors · Dec 13 – Dec 27
TomatoesTransplant · Feb 14 – Feb 28
Peppers, eggplantStart indoors · Nov 29 – Dec 13
Peppers, eggplantTransplant · Feb 21 – Mar 7
BeansSow outdoors · Feb 14 – Feb 28
Sweet cornSow outdoors · Feb 14 – Feb 28
Cucumbers, squashSow outdoors · Feb 14 – Feb 28
Fall lettuce, spinachSow outdoors · Oct 29 – Nov 12
GarlicPlant cloves · Dec 10 – Jan 14
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Feb 7) and first fall frost (Dec 24) 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 32403 came on Jan 16 — 8 days earlier than the 1991–2020 average (Jan 24).

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 9b in Florida

477 plants native to the lower 48 states, recorded in Florida, and rated by the USDA to survive 25 °F or colder — the bottom of zone 9b. Each links to its USDA PLANTS profile.

Trees 66

Shrubs 114

Wildflowers & perennials 146

Grasses 131

Vines 12

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 Panama City, FL.

Soil in Panama City, FL

The soil mapped at the center of ZIP 32403 is Rutlege — sand, very poorly drained.

TextureSanddrains and warms fast; dries out and needs more feeding
pH4.8strongly acidic; most vegetables like 6.0–7.0
DrainageVery poorly drainedconsider raised beds
Organic matter6%high
Hydrologic groupA/Ddrains fast once dried out; wet otherwise
Farmland classNot prime farmlandUSDA classification

Map unit: Rutlege sand, 0 to 2 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 32403; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Panama City, FL

Summer high91 °Faverage high, July
Winter low45 °Faverage low, January
Hot days69days a year at 90 °F or more
Freezing nights9nights a year at 32 °F or less
Growing degree days7,344base 50 °F — the season’s usable heat
Longest day14 h 05 mindaylight on June 21
Shortest day10 h 12 mindaylight on December 21
Onions to growShort-daysummer days stay under about 14 h 20 min, so long-day varieties won’t bulb
Precipitation69 inper year, rain and melted snow

Average high and low, by month

30°40°50°60°70°80°90°100°32 °FJanuary: average high 63 °F, low 45 °F 63°45° JanFebruary: average high 67 °F, low 48 °F 67°48° FebMarch: average high 72 °F, low 53 °F 72°53° MarApril: average high 77 °F, low 60 °F 77°60° AprMay: average high 85 °F, low 67 °F 85°67° MayJune: average high 89 °F, low 74 °F 89°74° JunJuly: average high 91 °F, low 76 °F 91°76° JulAugust: average high 90 °F, low 75 °F 90°75° AugSeptember: average high 89 °F, low 71 °F 89°71° SepOctober: average high 82 °F, low 62 °F 82°62° OctNovember: average high 72 °F, low 52 °F 72°52° NovDecember: average high 66 °F, low 47 °F 66°47° Dec

Precipitation by month inches

0″2″4″6″8″10″12″14″January: 5.89 in precipitation 5.9 JanFebruary: 4.94 in precipitation 4.9 FebMarch: 5.09 in precipitation 5.1 MarApril: 4.59 in precipitation 4.6 AprMay: 3.63 in precipitation 3.6 MayJune: 5.34 in precipitation 5.3 JunJuly: 7.11 in precipitation 7.1 JulAugust: 14.66 in precipitation 14.7 AugSeptember: 5.33 in precipitation 5.3 SepOctober: 3.49 in precipitation 3.5 OctNovember: 4.25 in precipitation 4.3 NovDecember: 4.73 in precipitation 4.7 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Panama City Bay Co. Airport, FL (14 mi away); precipitation: Panama City 6.9 Ese, FL (6 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

2 of the 8 nearest ZIP codes are in a different zone — elevation and distance from water change winter lows quickly.

All 11 ZIP codes in Panama City → · Florida planting zones →

Questions about 32403

What planting zone is ZIP code 32403?

ZIP code 32403 (Panama City, FL) is in USDA hardiness zone 9b on the 2023 map: the coldest night of an average winter reaches 25 to 30 °F (−3.9 to −1.1 °C).

When is the last frost in Panama City, FL?

The median last spring frost (32 °F) near 32403 is February 7; after March 5 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Panama City Bay Co. Airport station.

When is the first frost in Panama City, FL?

The median first fall frost near 32403 is December 24, giving a median frost-free growing season of 318 days.

When should I plant tomatoes in 32403?

Start tomato seeds indoors around Dec 13 – Dec 27 and set transplants outside around Feb 14 – Feb 28, one to three weeks after the median last frost.

How much rain and snow does 32403 get?

About 69 inches of precipitation a year (NOAA 1991–2020 normals, Panama City 6.9 Ese station).

How hot do summers get in Panama City, FL?

The average high peaks at 91 °F in July, with about 69 days a year at 90 °F or more.

What kind of soil does 32403 have?

The USDA soil survey maps Rutlege at the center of ZIP 32403: sand, very poorly drained, pH about 4.8 (strongly acidic).

Did spring come early in Panama City, FL in 2026?

Spring leaf-out near 32403 came on Jan 16 in 2026, 8 days earlier than the 1991–2020 average (Jan 24), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Panama City, FL?

Short-day onions: the longest day near 32403 is 14 h 05 min, so summer days stay under about 14 h 20 min, so long-day varieties won’t bulb.

Did the zone for 32403 change?

Yes. The 2012 USDA map put 32403 in zone 9a; the 2023 map puts it in zone 9b. The newer map uses 1991–2020 data and more weather stations.