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

Planting zone for 32206 — Jacksonville, FL

ZIP code 32206 (Jacksonville, Duval County) is in USDA zone 9b: the coldest winter night averages 25 to 30 °F. The median last spring frost is February 9 and the first fall frost December 31.

Where ZIP 32206 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 9
First frostDec 31
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 Jacksonville, 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 Jacksonville, FL

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostFebruary 9median — 50% chance of a later frost
Safe for tender plantsMarch 7only 10% chance of frost after
First fall frostDecember 31median — 10% chance by Nov 30
Growing season314 daysfrost-free, median

A hard freeze (28 °F) usually ends around January 26 and returns around January 8.

From the NOAA station Jacksonville Craig Municipal Airport, FL — 7 miles away, elevation 43 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 32206

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Dec 29 – Jan 12
SpinachSow outdoors · Dec 29 – Jan 19
Broccoli, cabbageStart indoors · Dec 1 – Dec 15
Broccoli, cabbageTransplant · Jan 19 – Feb 2
Onion setsPlant outdoors · Jan 12 – Jan 26
PotatoesPlant outdoors · Jan 19 – Feb 2
LettuceSow outdoors · Jan 12 – Jan 26
Carrots, beetsSow outdoors · Jan 19 – Feb 2
TomatoesStart indoors · Dec 15 – Dec 29
TomatoesTransplant · Feb 16 – Mar 2
Peppers, eggplantStart indoors · Dec 1 – Dec 15
Peppers, eggplantTransplant · Feb 23 – Mar 9
BeansSow outdoors · Feb 16 – Mar 2
Sweet cornSow outdoors · Feb 16 – Mar 2
Cucumbers, squashSow outdoors · Feb 16 – Mar 2
Fall lettuce, spinachSow outdoors · Nov 5 – Nov 19
GarlicPlant cloves · Dec 17 – Jan 21
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Feb 9) and first fall frost (Dec 31) 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 32206 came on Jan 16 — 6 days earlier than the 1991–2020 average (Jan 22).

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 Jacksonville, FL.

Soil in Jacksonville, FL

The soil mapped at the center of ZIP 32206 is Leon — fine sand, poorly drained. Much of the area is built over (urban land); this is the natural soil underneath.

TextureFine sanddrains and warms fast; dries out and needs more feeding
pH5.0strongly acidic; most vegetables like 6.0–7.0
DrainagePoorly drainedconsider raised beds
Organic matter2.25%moderate
Hydrologic groupA/Ddrains fast once dried out; wet otherwise
Farmland classNot prime farmlandUSDA classification

Map unit: Urban land-Leon-Boulogne complex, 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 32206; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Jacksonville, FL

Summer high91 °Faverage high, July
Winter low45 °Faverage low, January
Hot days74days a year at 90 °F or more
Freezing nights7nights a year at 32 °F or less
Growing degree days7,243base 50 °F — the season’s usable heat
Longest day14 h 06 mindaylight on June 21
Shortest day10 h 11 mindaylight on December 21
Onions to growShort-daysummer days stay under about 14 h 20 min, so long-day varieties won’t bulb
Precipitation53.1 inper year, rain and melted snow

Average high and low, by month

30°40°50°60°70°80°90°100°32 °FJanuary: average high 65 °F, low 45 °F 65°45° JanFebruary: average high 68 °F, low 48 °F 68°48° FebMarch: average high 73 °F, low 52 °F 73°52° MarApril: average high 79 °F, low 58 °F 79°58° AprMay: average high 84 °F, low 65 °F 84°65° MayJune: average high 89 °F, low 71 °F 89°71° JunJuly: average high 91 °F, low 73 °F 91°73° JulAugust: average high 90 °F, low 74 °F 90°74° AugSeptember: average high 86 °F, low 71 °F 86°71° SepOctober: average high 80 °F, low 64 °F 80°64° OctNovember: average high 73 °F, low 54 °F 73°54° NovDecember: average high 68 °F, low 48 °F 68°48° Dec

Precipitation by month inches

0″2″4″6″8″January: 3.28 in precipitation 3.3 JanFebruary: 2.72 in precipitation 2.7 FebMarch: 3.21 in precipitation 3.2 MarApril: 2.70 in precipitation 2.7 AprMay: 3.76 in precipitation 3.8 MayJune: 6.62 in precipitation 6.6 JunJuly: 5.86 in precipitation 5.9 JulAugust: 7.03 in precipitation 7.0 AugSeptember: 7.84 in precipitation 7.8 SepOctober: 4.72 in precipitation 4.7 OctNovember: 2.35 in precipitation 2.4 NovDecember: 3.01 in precipitation 3.0 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Jacksonville Craig Municipal Airport, FL (7 mi away); precipitation: Jacksonville 4.2 Ese, FL (4 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 9b.

All 47 ZIP codes in Jacksonville → · Florida planting zones →

Questions about 32206

What planting zone is ZIP code 32206?

ZIP code 32206 (Jacksonville, 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 Jacksonville, FL?

The median last spring frost (32 °F) near 32206 is February 9; after March 7 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Jacksonville Craig Municipal Airport station.

When is the first frost in Jacksonville, FL?

The median first fall frost near 32206 is December 31, giving a median frost-free growing season of 314 days.

When should I plant tomatoes in 32206?

Start tomato seeds indoors around Dec 15 – Dec 29 and set transplants outside around Feb 16 – Mar 2, one to three weeks after the median last frost.

How much rain and snow does 32206 get?

About 53.1 inches of precipitation a year (NOAA 1991–2020 normals, Jacksonville 4.2 Ese station).

How hot do summers get in Jacksonville, FL?

The average high peaks at 91 °F in July, with about 74 days a year at 90 °F or more.

What kind of soil does 32206 have?

The USDA soil survey maps Leon at the center of ZIP 32206: fine sand, poorly drained, pH about 5.0 (strongly acidic).

Did spring come early in Jacksonville, FL in 2026?

Spring leaf-out near 32206 came on Jan 16 in 2026, 6 days earlier than the 1991–2020 average (Jan 22), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Jacksonville, FL?

Short-day onions: the longest day near 32206 is 14 h 06 min, so summer days stay under about 14 h 20 min, so long-day varieties won’t bulb.

Did the zone for 32206 change?

Yes. The 2012 USDA map put 32206 in zone 9a; the 2023 map puts it in zone 9b. The newer map uses 1991–2020 data and more weather stations.