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

Planting zone for 34954 — Fort Pierce, FL

ZIP code 34954 (Fort Pierce, St. Lucie County) is in USDA zone 10a: the coldest winter night averages 30 to 35 °F.

Where ZIP 34954 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 zone10a

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 10a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Fort Pierce, 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 Ft Pierce, FL — 6 miles away, elevation 26 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 34954 came on Jan 12 — about the same time as the 1991–2020 average (Jan 14).

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 Fort Pierce, FL.

Soil in Fort Pierce, FL

The soil mapped at the center of ZIP 34954 is Nettles — sand, poorly drained.

TextureSanddrains and warms fast; dries out and needs more feeding
pH5.1strongly acidic; most vegetables like 6.0–7.0
DrainagePoorly drainedconsider raised beds
Organic matter2.75%moderate
Hydrologic groupC/Dslow when drained; wet otherwise
Farmland classFarmland of unique importanceUSDA classification

Map unit: Nettles and Oldsmar 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 34954; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Fort Pierce, FL

Summer high89 °Faverage high, July
Winter low53 °Faverage low, January
Hot days70days a year at 90 °F or more
Freezing nights1nights a year at 32 °F or less
Growing degree days8,589base 50 °F — the season’s usable heat
Longest day13 h 52 mindaylight on June 21
Shortest day10 h 25 mindaylight on December 21
Onions to growShort-daysummer days stay under about 14 h 20 min, so long-day varieties won’t bulb
Precipitation59.4 inper year, rain and melted snow

Average high and low, by month

40°50°60°70°80°90°100°January: average high 72 °F, low 53 °F 72°53° JanFebruary: average high 74 °F, low 55 °F 74°55° FebMarch: average high 77 °F, low 59 °F 77°59° MarApril: average high 81 °F, low 64 °F 81°64° AprMay: average high 84 °F, low 69 °F 84°69° MayJune: average high 88 °F, low 73 °F 88°73° JunJuly: average high 89 °F, low 74 °F 89°74° JulAugust: average high 89 °F, low 75 °F 89°75° AugSeptember: average high 88 °F, low 74 °F 88°74° SepOctober: average high 84 °F, low 70 °F 84°70° OctNovember: average high 78 °F, low 62 °F 78°62° NovDecember: average high 74 °F, low 57 °F 74°57° Dec

Precipitation by month inches

0″2″4″6″8″January: 2.86 in precipitation 2.9 JanFebruary: 2.50 in precipitation 2.5 FebMarch: 3.40 in precipitation 3.4 MarApril: 3.35 in precipitation 3.4 AprMay: 4.71 in precipitation 4.7 MayJune: 8.55 in precipitation 8.6 JunJuly: 6.38 in precipitation 6.4 JulAugust: 8.14 in precipitation 8.1 AugSeptember: 7.70 in precipitation 7.7 SepOctober: 5.54 in precipitation 5.5 OctNovember: 3.68 in precipitation 3.7 NovDecember: 2.61 in precipitation 2.6 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Ft Pierce, FL (6 mi away); precipitation: Ft Pierce Arc, FL (3 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 10a.

All 11 ZIP codes in Fort Pierce → · Florida planting zones →

Questions about 34954

What planting zone is ZIP code 34954?

ZIP code 34954 (Fort Pierce, 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 34954 get?

About 59.4 inches of precipitation a year (NOAA 1991–2020 normals, Ft Pierce Arc station).

How hot do summers get in Fort Pierce, FL?

The average high peaks at 89 °F in July, with about 70 days a year at 90 °F or more.

What kind of soil does 34954 have?

The USDA soil survey maps Nettles at the center of ZIP 34954: sand, poorly drained, pH about 5.1 (strongly acidic).

Did spring come early in Fort Pierce, FL in 2026?

Spring leaf-out near 34954 came on Jan 12 in 2026, about the same as the 1991–2020 average (Jan 14), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Fort Pierce, FL?

Short-day onions: the longest day near 34954 is 13 h 52 min, so summer days stay under about 14 h 20 min, so long-day varieties won’t bulb.