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

Planting zone for New Smyrna Beach, FL

New Smyrna Beach, FL is in USDA zones 9b to 10a across its 3 ZIP codes.

New Smyrna Beach on the zone map

Outlined: its 2 ZIP code areas · 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.

Zones9b–10a25 to 35 °F
ZIP codes3
Last frostrare
First frostrare
Growing seasonall year

9b 1 ZIP   10a 2 ZIPs

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for New Smyrna Beach, 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 New Smyrna Bch - Marine Discov, FL, elevation 16 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 32170 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 New Smyrna Beach, FL.

Soil in New Smyrna Beach, FL

The soil mapped at the center of ZIP 32170 is Matlacha — gravelly fine sand, somewhat poorly drained. Much of the area is built over (urban land); this is the natural soil underneath.

TextureGravelly fine sanddrains and warms fast; dries out and needs more feeding
pH7.0neutral; most vegetables like 6.0–7.0
DrainageSomewhat poorly drainedconsider raised beds
Organic matter1%low — add compost
Hydrologic groupBwater soaks in moderately
Farmland classNot prime farmlandUSDA classification

Map unit: Urban land, 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 32170; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in New Smyrna Beach, FL

Summer high89 °Faverage high, August
Winter low52 °Faverage low, January
Hot days48days a year at 90 °F or more
Freezing nights2nights a year at 32 °F or less
Growing degree days8,062base 50 °F — the season’s usable heat
Longest day14 h 00 mindaylight on June 21
Shortest day10 h 17 mindaylight on December 21
Onions to growShort-daysummer days stay under about 14 h 20 min, so long-day varieties won’t bulb
Precipitation50.6 inper year, rain and melted snow

Average high and low, by month

40°50°60°70°80°90°100°January: average high 68 °F, low 52 °F 68°52° JanFebruary: average high 70 °F, low 53 °F 70°53° FebMarch: average high 73 °F, low 57 °F 73°57° MarApril: average high 79 °F, low 63 °F 79°63° AprMay: average high 83 °F, low 68 °F 83°68° MayJune: average high 87 °F, low 73 °F 87°73° JunJuly: average high 88 °F, low 75 °F 88°75° JulAugust: average high 89 °F, low 75 °F 89°75° AugSeptember: average high 86 °F, low 74 °F 86°74° SepOctober: average high 82 °F, low 68 °F 82°68° OctNovember: average high 76 °F, low 62 °F 76°62° NovDecember: average high 71 °F, low 54 °F 71°54° Dec

Precipitation by month inches

0″2″4″6″8″January: 2.76 in precipitation 2.8 JanFebruary: 2.47 in precipitation 2.5 FebMarch: 3.00 in precipitation 3.0 MarApril: 2.62 in precipitation 2.6 AprMay: 3.72 in precipitation 3.7 MayJune: 7.45 in precipitation 7.5 JunJuly: 6.06 in precipitation 6.1 JulAugust: 6.47 in precipitation 6.5 AugSeptember: 6.88 in precipitation 6.9 SepOctober: 4.49 in precipitation 4.5 OctNovember: 2.32 in precipitation 2.3 NovDecember: 2.32 in precipitation 2.3 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: New Smyrna Bch - Marine Discov, FL (within 1 mile); precipitation: New Smyrna Bch - Marine Discov, FL (within 1 mile). Daylight is calculated from latitude.

ZIP codes in New Smyrna Beach

Florida planting zones →

Questions about New Smyrna Beach

What planting zone is New Smyrna Beach, FL?

New Smyrna Beach, FL is in USDA hardiness zones 9b to 10a on the 2023 map (9b: 25 to 30 °F; 10a: 30 to 35 °F).

What kind of onions grow in New Smyrna Beach, FL?

Short-day onions: the longest day is 14 h 00 min, so summer days stay under about 14 h 20 min, so long-day varieties won’t bulb.

How much rain and snow does New Smyrna Beach, FL get?

About 50.6 inches of precipitation a year (NOAA 1991–2020 normals).