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

Planting zone for 33839 — Eagle Lake, FL

ZIP code 33839 (Eagle Lake, Polk County) is in USDA zone 10a: the coldest winter night averages 30 to 35 °F.

Where ZIP 33839 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.

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 Eagle Lake, 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 — 3 miles away, 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 33839 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

American basswood100 ft · blooms late spring · low shade tolerance · to −46 °FAmerican beech80 ft · blooms mid spring · low shade tolerance · to −44 °FAmerican chestnut115 ft · blooms early summer · high shade tolerance · to −33 °FAmerican elm120 ft · blooms early spring · medium shade tolerance · to −46 °FAmerican sycamore100 ft · blooms spring · medium shade tolerance · to −34 °FAtlantic white cedar50 ft · blooms spring · medium shade tolerance · to −36 °F

Shrubs 116

aloe yucca15 ft · blooms early summer · medium shade tolerance · to −1 °Falternateleaf dogwood25 ft · blooms mid spring · low shade tolerance · to −47 °FAmerican beautyberry6 ft · blooms early summer · medium shade tolerance · to −8 °FAmerican holly40 ft · blooms mid spring · low shade tolerance · to −20 °FAmerican hornbeam30 ft · blooms mid spring · low shade tolerance · to −34 °FAmerican plum24 ft · blooms mid spring · high shade tolerance · to −38 °F

Wildflowers & perennials 146

American bur-reed3 ft · blooms indeterminate · medium shade tolerance · to −33 °FAmerican century plant6 ft · blooms indeterminate · high shade tolerance · to 12 °FAmerican eelgrass1 ft · blooms mid summer · high shade tolerance · to −33 °FAmerican lotus3 ft · blooms mid summer · high shade tolerance · to −36 °FAmerican pokeweed7 ft · blooms mid summer · low shade tolerance · to −33 °FAmerican spongeplant0.5 ft · blooms mid spring · high shade tolerance · to −24 °F

Grasses 131

American cupscale3 ft · blooms early summer · high shade tolerance · to −18 °Fautumn bluegrass1.5 ft · blooms late spring · medium shade tolerance · to −8 °Fawlfruit sedge4 ft · blooms mid spring · low shade tolerance · to −38 °Fbeaked spikerush3 ft · blooms late spring · high shade tolerance · to −28 °Fbig bluestem6 ft · blooms summer · high shade tolerance · to −46 °Fbig cordgrass8 ft · blooms spring · high shade tolerance · to −3 °F

Vines 12

American wisteria50 ft · blooms spring · low shade tolerance · to −3 °Fcatbird grape30 ft · blooms late spring · medium shade tolerance · to −13 °Fcupseed30 ft · blooms late spring · low shade tolerance · to −3 °Fdevil's darning needles15 ft · blooms mid summer · medium shade tolerance · to −38 °Ffrost grape83 ft · blooms late spring · medium shade tolerance · to −23 °Fgraybark grape50 ft · blooms late spring · medium shade tolerance · to −8 °F

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 Eagle Lake, FL.

Soil in Eagle Lake, FL

The soil mapped at the center of ZIP 33839 is Apopka — fine sand, well drained.

TextureFine sanddrains and warms fast; dries out and needs more feeding
pH5.8moderately acidic; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter1.5%low — add compost
Hydrologic groupAwater soaks in fast
Farmland classFarmland of unique importanceUSDA classification

Map unit: Apopka fine 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 33839; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Eagle Lake, 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 (3 mi away); precipitation: Winter Haven, FL (3 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 10a.

3388010a
Winter Haven, FL · 2 mi
3388310a
Winter Haven, FL · 4 mi
3388810a
Winter Haven, FL · 4 mi
3388210a
Winter Haven, FL · 4 mi
3388410a
Winter Haven, FL · 5 mi
3388110a
Winter Haven, FL · 6 mi
3383010a
Bartow, FL · 7 mi
3383110a
Bartow, FL · 8 mi

Florida planting zones →

Questions about 33839

What planting zone is ZIP code 33839?

ZIP code 33839 (Eagle Lake, 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 33839 get?

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

How hot do summers get in Eagle Lake, 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 33839 have?

The USDA soil survey maps Apopka at the center of ZIP 33839: fine sand, well drained, pH about 5.8 (moderately acidic).

Did spring come early in Eagle Lake, FL in 2026?

Spring leaf-out near 33839 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 Eagle Lake, FL?

Short-day onions: the longest day near 33839 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 33839 change?

Yes. The 2012 USDA map put 33839 in zone 9b; the 2023 map puts it in zone 10a. The newer map uses 1991–2020 data and more weather stations.