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

Planting zone for 32102 — Astor, FL

ZIP code 32102 (Astor, Lake County) is in USDA zone 9b: the coldest winter night averages 25 to 30 °F. The median last spring frost is February 17 and the first fall frost December 30.

Where ZIP 32102 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 frostFeb 17

First frostDec 30

2012 zone9a

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 Service

Loading the forecast for Astor, 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 in Astor, FL

JanFebMarAprMayJunJulAugSepOctNovDec

Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free

Last spring frostFebruary 17median — 50% chance of a later frost

Safe for tender plantsMarch 19only 10% chance of frost after

First fall frostDecember 30median — 10% chance by Dec 2

Growing season310 daysfrost-free, median

A hard freeze (28 °F) usually ends around January 31 and returns around January 10.

From the NOAA station Deland 1 Sse, FL — 16 miles away, elevation 26 ft. NOAA NCEI U.S. Climate Normals 1991–2020, 32 °F threshold. Low spots and valleys can freeze later in spring than the station.

When to plant vegetables in 32102

JanFebMarAprMayJunJulAugSepOctNovDec

PeasSow outdoors · Jan 6 – Jan 20

SpinachSow outdoors · Jan 6 – Jan 27

Broccoli, cabbageStart indoors · Dec 9 – Dec 23

Broccoli, cabbageTransplant · Jan 27 – Feb 10

Onion setsPlant outdoors · Jan 20 – Feb 3

PotatoesPlant outdoors · Jan 27 – Feb 10

LettuceSow outdoors · Jan 20 – Feb 3

Carrots, beetsSow outdoors · Jan 27 – Feb 10

TomatoesStart indoors · Dec 23 – Jan 6

TomatoesTransplant · Feb 24 – Mar 10

Peppers, eggplantStart indoors · Dec 9 – Dec 23

Peppers, eggplantTransplant · Mar 3 – Mar 17

BeansSow outdoors · Feb 24 – Mar 10

Sweet cornSow outdoors · Feb 24 – Mar 10

Cucumbers, squashSow outdoors · Feb 24 – Mar 10

Fall lettuce, spinachSow outdoors · Nov 4 – Nov 18

GarlicPlant cloves · Dec 16 – Jan 20

Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Feb 17) and first fall frost (Dec 30) with the rules of thumb U.S. extension services publish. Cool-season crops take a light frost; warm-season crops do best once the soil is above about 60 °F.

When spring arrived in 2026

In 2026, spring leaf-out near 32102 came on Jan 17 — about the same time as the 1991–2020 average (Jan 19).

average
Jan 192026
Jan 17

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.

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 Astor, FL.

Soil in Astor, FL

The soil mapped at the center of ZIP 32102 is St. Johns — sand, poorly drained.

TextureSanddrains and warms fast; dries out and needs more feeding

pH5.0strongly acidic; most vegetables like 6.0–7.0

DrainagePoorly drainedconsider raised beds

Organic matter3%moderate

Hydrologic groupB/Dmoderate when drained; wet otherwise

Farmland classNot prime farmlandUSDA classification

Map unit: St. Johns 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 32102; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Astor, FL

Summer high91 °Faverage high, July

Winter low45 °Faverage low, January

Hot days84days a year at 90 °F or more

Freezing nights7nights a year at 32 °F or less

Growing degree days7,517base 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

Precipitation57.5 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: Deland 1 Sse, FL (16 mi away); precipitation: De Leon Springs 1.3 Nnw, FL (10 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 9b.

327679b

Paisley, FL · 8 mi

321059b

Barberville, FL · 8 mi

De Leon Springs, FL · 11 mi

Florida planting zones →

Questions about 32102

What planting zone is ZIP code 32102?

ZIP code 32102 (Astor, 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).

When is the last frost in Astor, FL?

The median last spring frost (32 °F) near 32102 is February 17; after March 19 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Deland 1 Sse station.

When is the first frost in Astor, FL?

The median first fall frost near 32102 is December 30, giving a median frost-free growing season of 310 days.

When should I plant tomatoes in 32102?

Start tomato seeds indoors around Dec 23 – Jan 6 and set transplants outside around Feb 24 – Mar 10, one to three weeks after the median last frost.

How much rain and snow does 32102 get?

About 57.5 inches of precipitation a year (NOAA 1991–2020 normals, De Leon Springs 1.3 Nnw station).

How hot do summers get in Astor, FL?

The average high peaks at 91 °F in July, with about 84 days a year at 90 °F or more.

What kind of soil does 32102 have?

The USDA soil survey maps St. Johns at the center of ZIP 32102: sand, poorly drained, pH about 5.0 (strongly acidic).

Did spring come early in Astor, FL in 2026?

Spring leaf-out near 32102 came on Jan 17 in 2026, about the same as the 1991–2020 average (Jan 19), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Astor, FL?

Short-day onions: the longest day near 32102 is 14 h 00 min, so summer days stay under about 14 h 20 min, so long-day varieties won’t bulb.

Did the zone for 32102 change?

Yes. The 2012 USDA map put 32102 in zone 9a; the 2023 map puts it in zone 9b. The newer map uses 1991–2020 data and more weather stations.