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

Planting zone for 33810 — Lakeland, FL

ZIP code 33810 (Lakeland, Polk County) is in USDA zone 9b: the coldest winter night averages 25 to 30 °F.

Where ZIP 33810 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 frostrare
First frostrare
2012 zone9b

Same zone as on the 2012 map. 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 Lakeland, 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 Lakeland 2, FL — 10 miles away, elevation 138 ft) the median growing season is 349 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 33810 came on Jan 12 — 4 days earlier than the 1991–2020 average (Jan 16).

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 Lakeland, FL.

Soil in Lakeland, FL

The soil mapped at the center of ZIP 33810 is Smyrna — fine sand, poorly drained.

TextureFine sanddrains and warms fast; dries out and needs more feeding
pH5.1strongly acidic; most vegetables like 6.0–7.0
DrainagePoorly drainedconsider raised beds
Organic matter3%moderate
Hydrologic groupA/Ddrains fast once dried out; wet otherwise
Farmland classNot prime farmlandUSDA classification

Map unit: Smyrna and Myakka fine sands.

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 33810; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Lakeland, FL

Summer high92 °Faverage high, July
Winter low51 °Faverage low, January
Hot days119days a year at 90 °F or more
Freezing nights3nights a year at 32 °F or less
Growing degree days8,776base 50 °F — the season’s usable heat
Longest day13 h 56 mindaylight on June 21
Shortest day10 h 21 mindaylight on December 21
Onions to growShort-daysummer days stay under about 14 h 20 min, so long-day varieties won’t bulb
Precipitation52.3 inper year, rain and melted snow

Average high and low, by month

40°50°60°70°80°90°100°January: average high 74 °F, low 51 °F 74°51° JanFebruary: average high 77 °F, low 53 °F 77°53° FebMarch: average high 80 °F, low 57 °F 80°57° MarApril: average high 85 °F, low 61 °F 85°61° AprMay: average high 90 °F, low 67 °F 90°67° MayJune: average high 91 °F, low 72 °F 91°72° JunJuly: average high 92 °F, low 74 °F 92°74° JulAugust: average high 92 °F, low 74 °F 92°74° AugSeptember: average high 90 °F, low 73 °F 90°73° SepOctober: average high 86 °F, low 67 °F 86°67° OctNovember: average high 80 °F, low 59 °F 80°59° NovDecember: average high 76 °F, low 54 °F 76°54° Dec

Precipitation by month inches

0″2″4″6″8″January: 2.83 in precipitation 2.8 JanFebruary: 2.11 in precipitation 2.1 FebMarch: 2.80 in precipitation 2.8 MarApril: 2.38 in precipitation 2.4 AprMay: 3.31 in precipitation 3.3 MayJune: 8.07 in precipitation 8.1 JunJuly: 8.88 in precipitation 8.9 JulAugust: 8.88 in precipitation 8.9 AugSeptember: 6.31 in precipitation 6.3 SepOctober: 2.12 in precipitation 2.1 OctNovember: 1.99 in precipitation 2.0 NovDecember: 2.60 in precipitation 2.6 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Lakeland 2, FL (10 mi away); precipitation: Lakeland 5.3 Wnw, FL (4 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

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

All 13 ZIP codes in Lakeland → · Florida planting zones →

Questions about 33810

What planting zone is ZIP code 33810?

ZIP code 33810 (Lakeland, 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).

How much rain and snow does 33810 get?

About 52.3 inches of precipitation a year (NOAA 1991–2020 normals, Lakeland 5.3 Wnw station).

How hot do summers get in Lakeland, FL?

The average high peaks at 92 °F in July, with about 119 days a year at 90 °F or more.

What kind of soil does 33810 have?

The USDA soil survey maps Smyrna at the center of ZIP 33810: fine sand, poorly drained, pH about 5.1 (strongly acidic).

Did spring come early in Lakeland, FL in 2026?

Spring leaf-out near 33810 came on Jan 12 in 2026, 4 days earlier than the 1991–2020 average (Jan 16), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Lakeland, FL?

Short-day onions: the longest day near 33810 is 13 h 56 min, so summer days stay under about 14 h 20 min, so long-day varieties won’t bulb.