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

Planting zone for Dunnellon, FL

Dunnellon, FL is in USDA zone 9a across its 5 ZIP codes. The median last spring frost is March 3 and the first fall frost December 5.

Dunnellon on the zone map

Outlined: its 4 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.

Zone9a20 to 25 °F
ZIP codes5
Last frostMar 3
First frostDec 5
Growing season279 days

9a 5 ZIPs

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Dunnellon, 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 Dunnellon, FL

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMarch 3median — 50% chance of a later frost
Safe for tender plantsMarch 29only 10% chance of frost after
First fall frostDecember 5median — 10% chance by Nov 15
Growing season279 daysfrost-free, median

A hard freeze (28 °F) usually ends around February 11 and returns around December 29.

From the NOAA station Inverness 3 Se, FL, elevation 59 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 Dunnellon

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Jan 20 – Feb 3
SpinachSow outdoors · Jan 20 – Feb 10
Broccoli, cabbageStart indoors · Dec 23 – Jan 6
Broccoli, cabbageTransplant · Feb 10 – Feb 24
Onion setsPlant outdoors · Feb 3 – Feb 17
PotatoesPlant outdoors · Feb 10 – Feb 24
LettuceSow outdoors · Feb 3 – Feb 17
Carrots, beetsSow outdoors · Feb 10 – Feb 24
TomatoesStart indoors · Jan 6 – Jan 20
TomatoesTransplant · Mar 10 – Mar 24
Peppers, eggplantStart indoors · Dec 23 – Jan 6
Peppers, eggplantTransplant · Mar 17 – Mar 31
BeansSow outdoors · Mar 10 – Mar 24
Sweet cornSow outdoors · Mar 10 – Mar 24
Cucumbers, squashSow outdoors · Mar 10 – Mar 24
Fall lettuce, spinachSow outdoors · Oct 10 – Oct 24
GarlicPlant cloves · Nov 21 – Dec 26
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Mar 3) and first fall frost (Dec 5) 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 34430 came on Jan 16 — 5 days earlier than the 1991–2020 average (Jan 21).

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 9a in Florida

473 plants native to the lower 48 states, recorded in Florida, and rated by the USDA to survive 20 °F or colder — the bottom of zone 9a. Each links to its USDA PLANTS profile.

Trees 66

Shrubs 113

Wildflowers & perennials 143

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 Dunnellon, FL.

Soil in Dunnellon, FL

The soil mapped at the center of ZIP 34430 is Blichton — sand, poorly drained. Much of the area is built over (urban land); this is the natural soil underneath.

TextureSanddrains and warms fast; dries out and needs more feeding
pH5.3strongly acidic; most vegetables like 6.0–7.0
DrainagePoorly drainedconsider raised beds
Organic matter2.5%moderate
Hydrologic groupC/Dslow when drained; wet otherwise
Farmland classNot prime farmlandUSDA classification

Map unit: Urban land, 0 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 34430; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Dunnellon, FL

Summer high91 °Faverage high, July
Winter low43 °Faverage low, January
Hot days112days a year at 90 °F or more
Freezing nights16nights a year at 32 °F or less
Growing degree days7,343base 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
Precipitation55.1 inper year, rain and melted snow

Average high and low, by month

30°40°50°60°70°80°90°100°32 °FJanuary: average high 69 °F, low 43 °F 69°43° JanFebruary: average high 72 °F, low 46 °F 72°46° FebMarch: average high 77 °F, low 49 °F 77°49° MarApril: average high 82 °F, low 55 °F 82°55° AprMay: average high 88 °F, low 62 °F 88°62° MayJune: average high 90 °F, low 69 °F 90°69° JunJuly: average high 91 °F, low 71 °F 91°71° JulAugust: average high 90 °F, low 71 °F 90°71° AugSeptember: average high 89 °F, low 69 °F 89°69° SepOctober: average high 84 °F, low 61 °F 84°61° OctNovember: average high 77 °F, low 52 °F 77°52° NovDecember: average high 72 °F, low 46 °F 72°46° Dec

Precipitation by month inches

0″2″4″6″8″January: 3.14 in precipitation 3.1 JanFebruary: 2.69 in precipitation 2.7 FebMarch: 3.43 in precipitation 3.4 MarApril: 2.78 in precipitation 2.8 AprMay: 3.55 in precipitation 3.5 MayJune: 8.28 in precipitation 8.3 JunJuly: 8.32 in precipitation 8.3 JulAugust: 7.93 in precipitation 7.9 AugSeptember: 6.66 in precipitation 6.7 SepOctober: 3.30 in precipitation 3.3 OctNovember: 2.03 in precipitation 2.0 NovDecember: 3.00 in precipitation 3.0 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Inverness 3 Se, FL (19 mi away); precipitation: Hernando 1.6 N, FL (10 mi away). Daylight is calculated from latitude.

ZIP codes in Dunnellon

Florida planting zones →

Questions about Dunnellon

What planting zone is Dunnellon, FL?

Dunnellon, FL is in USDA hardiness zone 9a on the 2023 map (9a: 20 to 25 °F).

When is the last frost in Dunnellon, FL?

The median last spring frost is March 3 and the median first fall frost is December 5 (NOAA 1991–2020 normals, Inverness 3 Se station).

When can I plant a garden in Dunnellon, FL?

Cool-season crops like peas and spinach go in around Jan 20 – Feb 10; tomatoes, peppers, beans and squash after about Mar 10, once frost risk has passed.

What kind of onions grow in Dunnellon, 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 Dunnellon, FL get?

About 55.1 inches of precipitation a year (NOAA 1991–2020 normals).