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

Planting zone for 34491 — Summerfield, FL

ZIP code 34491 (Summerfield, Marion County) is in USDA zone 9b: the coldest winter night averages 25 to 30 °F. The median last spring frost is February 25 and the first fall frost December 12.

Where ZIP 34491 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 25

First frostDec 12

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 Summerfield, 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 Summerfield, FL

JanFebMarAprMayJunJulAugSepOctNovDec

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

Last spring frostFebruary 25median — 50% chance of a later frost

Safe for tender plantsMarch 21only 10% chance of frost after

First fall frostDecember 12median — 10% chance by Nov 21

Growing season293 daysfrost-free, median

A hard freeze (28 °F) usually ends around February 4 and returns around January 3.

From the NOAA station Ocala, FL — 12 miles away, elevation 75 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 34491

JanFebMarAprMayJunJulAugSepOctNovDec

PeasSow outdoors · Jan 14 – Jan 28

SpinachSow outdoors · Jan 14 – Feb 4

Broccoli, cabbageStart indoors · Dec 17 – Dec 31

Broccoli, cabbageTransplant · Feb 4 – Feb 18

Onion setsPlant outdoors · Jan 28 – Feb 11

PotatoesPlant outdoors · Feb 4 – Feb 18

LettuceSow outdoors · Jan 28 – Feb 11

Carrots, beetsSow outdoors · Feb 4 – Feb 18

TomatoesStart indoors · Dec 31 – Jan 14

TomatoesTransplant · Mar 4 – Mar 18

Peppers, eggplantStart indoors · Dec 17 – Dec 31

Peppers, eggplantTransplant · Mar 11 – Mar 25

BeansSow outdoors · Mar 4 – Mar 18

Sweet cornSow outdoors · Mar 4 – Mar 18

Cucumbers, squashSow outdoors · Mar 4 – Mar 18

Fall lettuce, spinachSow outdoors · Oct 17 – Oct 31

GarlicPlant cloves · Nov 28 – Jan 2

Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Feb 25) and first fall frost (Dec 12) 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 34491 came on Jan 12 — 7 days earlier than the 1991–2020 average (Jan 19).

average
Jan 192026
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 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 Summerfield, FL.

Soil in Summerfield, FL

The soil mapped at the center of ZIP 34491 is Hague — sand, well drained.

TextureSanddrains and warms fast; dries out and needs more feeding

pH5.3strongly acidic; most vegetables like 6.0–7.0

DrainageWell drainednatural drainage class

Organic matter1%low — add compost

Hydrologic groupAwater soaks in fast

Farmland classFarmland of local importanceUSDA classification

Map unit: Hague sand, 2 to 5 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 34491; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Summerfield, FL

Summer high92 °Faverage high, July

Winter low46 °Faverage low, January

Hot days110days a year at 90 °F or more

Freezing nights8nights a year at 32 °F or less

Growing degree days7,848base 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

Precipitation52.8 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: Ocala, FL (12 mi away); precipitation: The Villages 3.7 Nnw, FL (2 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 9b.

344929b

Summerfield, FL · 1 mi

The Villages, FL · 6 mi

Eastlake Weir, FL · 8 mi

344729b

Ocala, FL · 8 mi

All 2 ZIP codes in Summerfield → · Florida planting zones →

Questions about 34491

What planting zone is ZIP code 34491?

ZIP code 34491 (Summerfield, 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 Summerfield, FL?

The median last spring frost (32 °F) near 34491 is February 25; after March 21 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Ocala station.

When is the first frost in Summerfield, FL?

The median first fall frost near 34491 is December 12, giving a median frost-free growing season of 293 days.

When should I plant tomatoes in 34491?

Start tomato seeds indoors around Dec 31 – Jan 14 and set transplants outside around Mar 4 – Mar 18, one to three weeks after the median last frost.

How much rain and snow does 34491 get?

About 52.8 inches of precipitation a year (NOAA 1991–2020 normals, The Villages 3.7 Nnw station).

How hot do summers get in Summerfield, FL?

The average high peaks at 92 °F in July, with about 110 days a year at 90 °F or more.

What kind of soil does 34491 have?

The USDA soil survey maps Hague at the center of ZIP 34491: sand, well drained, pH about 5.3 (strongly acidic).

Did spring come early in Summerfield, FL in 2026?

Spring leaf-out near 34491 came on Jan 12 in 2026, 7 days earlier than the 1991–2020 average (Jan 19), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Summerfield, FL?

Short-day onions: the longest day near 34491 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 34491 change?

Yes. The 2012 USDA map put 34491 in zone 9a; the 2023 map puts it in zone 9b. The newer map uses 1991–2020 data and more weather stations.