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

Planting zone for 33883 — Winter Haven, FL

ZIP code 33883 (Winter Haven, Polk County) is in USDA zone 10a: the coldest winter night averages 30 to 35 °F.

Where ZIP 33883 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.

Zone10a30 to 35 °F
Coldest night−1.1 to 1.7 °C
Last frostrare
First frostrare
2012 zone9b

Was 9b 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 10a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Winter Haven, 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

A 32 °F frost doesn't happen here in most winters. At the nearest station (NOAA station Winter Haven, FL — within 1 mile, elevation 144 ft) the median growing season is 365 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 33883 came on Jan 12 — 3 days earlier than the 1991–2020 average (Jan 15).

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 10a in Florida

480 plants native to the lower 48 states, recorded in Florida, and rated by the USDA to survive 30 °F or colder — the bottom of zone 10a. Each links to its USDA PLANTS profile.

Trees 67

Shrubs 116

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 Winter Haven, FL.

Soil in Winter Haven, FL

The soil mapped at the center of ZIP 33883 is Matlacha — gravelly fine sand, somewhat poorly drained. Much of the area is built over (urban land); this is the natural soil underneath.

TextureGravelly fine sanddrains and warms fast; dries out and needs more feeding
pH7.0neutral; most vegetables like 6.0–7.0
DrainageSomewhat poorly drainedconsider raised beds
Organic matter1%low — add compost
Hydrologic groupBwater soaks in moderately
Farmland classNot prime farmlandUSDA classification

Map unit: Urban land, 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 33883; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Winter Haven, FL

Summer high93 °Faverage high, July
Winter low52 °Faverage low, January
Hot days115days a year at 90 °F or more
Freezing nights1nights a year at 32 °F or less
Growing degree days8,874base 50 °F — the season’s usable heat
Longest day13 h 55 mindaylight on June 21
Shortest day10 h 22 mindaylight on December 21
Onions to growShort-daysummer days stay under about 14 h 20 min, so long-day varieties won’t bulb
Precipitation52 inper year, rain and melted snow

Average high and low, by month

40°50°60°70°80°90°100°January: average high 73 °F, low 52 °F 73°52° JanFebruary: average high 76 °F, low 54 °F 76°54° FebMarch: average high 79 °F, low 58 °F 79°58° MarApril: average high 85 °F, low 63 °F 85°63° AprMay: average high 89 °F, low 69 °F 89°69° MayJune: average high 92 °F, low 73 °F 92°73° JunJuly: average high 93 °F, low 75 °F 93°75° JulAugust: average high 92 °F, low 75 °F 92°75° AugSeptember: average high 90 °F, low 74 °F 90°74° SepOctober: average high 86 °F, low 68 °F 86°68° OctNovember: average high 79 °F, low 60 °F 79°60° NovDecember: average high 75 °F, low 54 °F 75°54° Dec

Precipitation by month inches

0″2″4″6″8″January: 2.97 in precipitation 3.0 JanFebruary: 2.37 in precipitation 2.4 FebMarch: 3.19 in precipitation 3.2 MarApril: 2.85 in precipitation 2.9 AprMay: 2.47 in precipitation 2.5 MayJune: 8.25 in precipitation 8.3 JunJuly: 8.27 in precipitation 8.3 JulAugust: 6.26 in precipitation 6.3 AugSeptember: 7.26 in precipitation 7.3 SepOctober: 3.04 in precipitation 3.0 OctNovember: 2.07 in precipitation 2.1 NovDecember: 2.95 in precipitation 3.0 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Winter Haven, FL (within 1 mile); precipitation: Winter Haven, FL (within 1 mile). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 10a.

All 7 ZIP codes in Winter Haven → · Florida planting zones →

Questions about 33883

What planting zone is ZIP code 33883?

ZIP code 33883 (Winter Haven, FL) is in USDA hardiness zone 10a on the 2023 map: the coldest night of an average winter reaches 30 to 35 °F (−1.1 to 1.7 °C).

How much rain and snow does 33883 get?

About 52 inches of precipitation a year (NOAA 1991–2020 normals, Winter Haven station).

How hot do summers get in Winter Haven, FL?

The average high peaks at 93 °F in July, with about 115 days a year at 90 °F or more.

What kind of soil does 33883 have?

The USDA soil survey maps Matlacha at the center of ZIP 33883: gravelly fine sand, somewhat poorly drained, pH about 7.0 (neutral).

Did spring come early in Winter Haven, FL in 2026?

Spring leaf-out near 33883 came on Jan 12 in 2026, 3 days earlier than the 1991–2020 average (Jan 15), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Winter Haven, FL?

Short-day onions: the longest day near 33883 is 13 h 55 min, so summer days stay under about 14 h 20 min, so long-day varieties won’t bulb.

Did the zone for 33883 change?

Yes. The 2012 USDA map put 33883 in zone 9b; the 2023 map puts it in zone 10a. The newer map uses 1991–2020 data and more weather stations.