Data: 2023 USDA zones (PRISM/OSU) · NOAA 1991–2020 normals · updated Oct 29, 2026

Planting zone for 33470 — Loxahatchee, FL

ZIP code 33470 (Loxahatchee, Palm Beach County) is in USDA zone 10b: the coldest winter night averages 35 to 40 °F.

Where ZIP 33470 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.

Zone10b35 to 40 °F

Coldest night1.7 to 4.4 °C

Last frostrare

First frostrare

2012 zone10a

Was 10a 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 10b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Loxahatchee, 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 Palm Beach Gardens, FL — 15 miles away, elevation 20 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 33470 came on Jan 12 — about the same time as the 1991–2020 average (Jan 13).

average
Jan 132026
Jan 12

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 10b in Florida

497 plants native to the lower 48 states, recorded in Florida, and rated by the USDA to survive 35 °F or colder — the bottom of zone 10b. Each links to its USDA PLANTS profile.

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 Loxahatchee, FL.

Soil in Loxahatchee, FL

The soil mapped at the center of ZIP 33470 is Riviera — fine sand, poorly drained.

TextureFine sanddrains and warms fast; dries out and needs more feeding

pH6.0slightly acidic; most vegetables like 6.0–7.0

DrainagePoorly drainedconsider raised beds

Organic matter1%low — add compost

Hydrologic groupA/Ddrains fast once dried out; wet otherwise

Farmland classFarmland of unique importanceUSDA classification

Map unit: Riviera fine sand, 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 33470; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Loxahatchee, FL

Summer high89 °Faverage high, July

Winter low56 °Faverage low, January

Hot days55days a year at 90 °F or more

Freezing nights1nights a year at 32 °F or less

Growing degree days8,920base 50 °F — the season’s usable heat

Longest day13 h 49 mindaylight on June 21

Shortest day10 h 27 mindaylight on December 21

Onions to growShort-daysummer days stay under about 14 h 20 min, so long-day varieties won’t bulb

Precipitation65.3 inper year, rain and melted snow

Average high and low, by month

Precipitation by month inches

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Palm Beach Gardens, FL (15 mi away); precipitation: West Palm Beach 6.0 Wnw, FL (10 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

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

3341210b

West Palm Beach, FL · 10 mi

3342110b

Royal Palm Beach, FL · 11 mi

3341110b

West Palm Beach, FL · 12 mi

3341410b

Wellington, FL · 12 mi

3347810b

Jupiter, FL · 13 mi

3341810b

Palm Beach Gardens, FL · 15 mi

3343810a

Canal Point, FL · 16 mi

3344910b

Lake Worth, FL · 16 mi

Florida planting zones →

Questions about 33470

What planting zone is ZIP code 33470?

ZIP code 33470 (Loxahatchee, FL) is in USDA hardiness zone 10b on the 2023 map: the coldest night of an average winter reaches 35 to 40 °F (1.7 to 4.4 °C).

How much rain and snow does 33470 get?

About 65.3 inches of precipitation a year (NOAA 1991–2020 normals, West Palm Beach 6.0 Wnw station).

How hot do summers get in Loxahatchee, FL?

The average high peaks at 89 °F in July, with about 55 days a year at 90 °F or more.

What kind of soil does 33470 have?

The USDA soil survey maps Riviera at the center of ZIP 33470: fine sand, poorly drained, pH about 6.0 (slightly acidic).

Did spring come early in Loxahatchee, FL in 2026?

Spring leaf-out near 33470 came on Jan 12 in 2026, about the same as the 1991–2020 average (Jan 13), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Loxahatchee, FL?

Short-day onions: the longest day near 33470 is 13 h 49 min, so summer days stay under about 14 h 20 min, so long-day varieties won’t bulb.

Did the zone for 33470 change?

Yes. The 2012 USDA map put 33470 in zone 10a; the 2023 map puts it in zone 10b. The newer map uses 1991–2020 data and more weather stations.