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

Planting zone for Fleming Island, FL

Fleming Island, FL is in USDA zone 9b across its 2 ZIP codes.

Fleming Island on the zone map

Outlined: its 1 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.

Zone9b25 to 30 °F
ZIP codes2
Last frostrare
First frostrare
Growing seasonall year

9b 2 ZIPs

Frost forecast — next 7 nights

live from the National Weather Service

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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

A 32 °F frost doesn't happen here in most winters. At the nearest station (NOAA station Jacksonville NAS, FL, elevation 20 ft) the median growing season is 330 days. When frost does come, it is a midwinter night or two; cover tender plants when a freeze is forecast.

Frost data: NOAA NCEI U.S. Climate Normals 1991–2020.

When spring arrived in 2026

In 2026, spring leaf-out near 32006 came on Jan 16 — 5 days earlier than the 1991–2020 average (Jan 21).

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 Fleming Island, FL.

Soil in Fleming Island, FL

The soil mapped at the center of ZIP 32006 is Surrency — fine sand, very poorly drained.

TextureFine sanddrains and warms fast; dries out and needs more feeding
pH4.6strongly acidic; most vegetables like 6.0–7.0
DrainageVery poorly drainedconsider raised beds
Organic matter5.5%high
Hydrologic groupB/Dmoderate when drained; wet otherwise
Farmland classNot prime farmlandUSDA classification

Map unit: Surrency fine sand, 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 32006; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Fleming Island, FL

Summer high92 °Faverage high, July
Winter low47 °Faverage low, January
Hot days96days a year at 90 °F or more
Freezing nights4nights a year at 32 °F or less
Growing degree days7,918base 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
Precipitation53.6 inper year, rain and melted snow

Average high and low, by month

40°50°60°70°80°90°100°January: average high 66 °F, low 47 °F 66°47° JanFebruary: average high 69 °F, low 50 °F 69°50° FebMarch: average high 74 °F, low 55 °F 74°55° MarApril: average high 81 °F, low 61 °F 81°61° AprMay: average high 86 °F, low 69 °F 86°69° MayJune: average high 90 °F, low 74 °F 90°74° JunJuly: average high 92 °F, low 76 °F 92°76° JulAugust: average high 91 °F, low 76 °F 91°76° AugSeptember: average high 88 °F, low 74 °F 88°74° SepOctober: average high 82 °F, low 66 °F 82°66° OctNovember: average high 73 °F, low 56 °F 73°56° NovDecember: average high 68 °F, low 50 °F 68°50° Dec

Precipitation by month inches

0″2″4″6″8″January: 3.26 in precipitation 3.3 JanFebruary: 2.75 in precipitation 2.8 FebMarch: 3.29 in precipitation 3.3 MarApril: 2.85 in precipitation 2.9 AprMay: 4.13 in precipitation 4.1 MayJune: 8.06 in precipitation 8.1 JunJuly: 6.55 in precipitation 6.5 JulAugust: 6.90 in precipitation 6.9 AugSeptember: 6.46 in precipitation 6.5 SepOctober: 4.32 in precipitation 4.3 OctNovember: 2.23 in precipitation 2.2 NovDecember: 2.85 in precipitation 2.9 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Jacksonville NAS, FL (9 mi away); precipitation: Orange Park 4.8 Ssw, FL (within 1 mile). Daylight is calculated from latitude.

ZIP codes in Fleming Island

Florida planting zones →

Questions about Fleming Island

What planting zone is Fleming Island, FL?

Fleming Island, FL is in USDA hardiness zone 9b on the 2023 map (9b: 25 to 30 °F).

What kind of onions grow in Fleming Island, FL?

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

How much rain and snow does Fleming Island, FL get?

About 53.6 inches of precipitation a year (NOAA 1991–2020 normals).