Planting zone for 32137 — Palm Coast, FL
ZIP code 32137 (Palm Coast, Flagler County) is in USDA zone 9b: the coldest winter night averages 25 to 30 °F.
Where ZIP 32137 is
Outlined: the ZIP code area · tap the map for the zone at any spot · scroll or pinch to zoomNot 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.
Was 9a 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 9b means →
Frost forecast — next 7 nights
live from the National Weather ServiceLoading the forecast for Palm Coast, 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 Coast 6ne, FL — 4 miles away, elevation 7 ft) the median growing season is 356 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 32137 came on Jan 17 — 3 days earlier than the 1991–2020 average (Jan 20).
Jan 202026
Jan 17
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 Palm Coast, FL.
Soil in Palm Coast, FL
The soil mapped at the center of ZIP 32137 is Astatula — fine sand, excessively drained.
Map unit: Astatula fine sand, 0 to 8 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 32137; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.
Climate in Palm Coast, FL
Average high and low, by month
Precipitation by month inches
NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Palm Coast 6ne, FL (4 mi away); precipitation: Palm Coast 0.8 Nnw, FL (within 1 mile). Daylight is calculated from latitude.
Nearby ZIP codes
All 8 nearest ZIP codes share zone 9b.
Questions about 32137
What planting zone is ZIP code 32137?
ZIP code 32137 (Palm Coast, 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 32137 get?
About 51.3 inches of precipitation a year (NOAA 1991–2020 normals, Palm Coast 0.8 Nnw station).
How hot do summers get in Palm Coast, FL?
The average high peaks at 88 °F in July, with about 46 days a year at 90 °F or more.
What kind of soil does 32137 have?
The USDA soil survey maps Astatula at the center of ZIP 32137: fine sand, excessively drained, pH about 5.5 (moderately acidic).
Did spring come early in Palm Coast, FL in 2026?
Spring leaf-out near 32137 came on Jan 17 in 2026, 3 days earlier than the 1991–2020 average (Jan 20), according to the USA National Phenology Network Spring Index.
What kind of onions grow in Palm Coast, FL?
Short-day onions: the longest day near 32137 is 14 h 03 min, so summer days stay under about 14 h 20 min, so long-day varieties won’t bulb.
Did the zone for 32137 change?
Yes. The 2012 USDA map put 32137 in zone 9a; the 2023 map puts it in zone 9b. The newer map uses 1991–2020 data and more weather stations.