Data: 2023 USDA zones (PRISM/OSU) · NOAA 1991–2020 normals · updated Oct 30, 2026

Planting zone for Monticello, FL

Monticello, FL is in USDA zone 9a across its 2 ZIP codes. The median last spring frost is February 25 and the first fall frost December 3.

Monticello on the zone map

Outlined: its 1 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 codes2

Last frostFeb 25

First frostDec 3

Growing season286 days

9a 2 ZIPs

Frost forecast — next 7 nights

live from the National Weather Service

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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 Monticello, 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 17only 10% chance of frost after

First fall frostDecember 3median — 10% chance by Nov 13

Growing season286 daysfrost-free, median

A hard freeze (28 °F) usually ends around February 4 and returns around December 27.

From the NOAA station Monticello 10 Sw, FL, elevation 220 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 Monticello

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 8 – Oct 22

GarlicPlant cloves · Nov 19 – Dec 24

Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Feb 25) and first fall frost (Dec 3) 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 32345 came on Jan 27 — about the same time as the 1991–2020 average (Jan 26).

average
Jan 262026
Jan 27

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.

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 Monticello, FL.

Soil in Monticello, FL

The soil mapped at the center of ZIP 32345 is Fuquay — fine sand, well drained.

TextureFine sanddrains and warms fast; dries out and needs more feeding

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

DrainageWell drainednatural drainage class

Organic matter1.25%low — add compost

Hydrologic groupAwater soaks in fast

Farmland classFarmland of local importanceUSDA classification

Map unit: Fuquay fine sand, 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 32345; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Monticello, FL

Summer high91 °Faverage high, July

Winter low40 °Faverage low, January

Hot days78days a year at 90 °F or more

Freezing nights26nights a year at 32 °F or less

Growing degree days6,533base 50 °F — the season’s usable heat

Longest day14 h 07 mindaylight on June 21

Shortest day10 h 10 mindaylight on December 21

Onions to growShort-daysummer days stay under about 14 h 20 min, so long-day varieties won’t bulb

Precipitation57.8 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: Monticello 5 Se, FL (6 mi away); precipitation: Monticello 4.3 Ene, FL (4 mi away). Daylight is calculated from latitude.

ZIP codes in Monticello

Florida planting zones →

Questions about Monticello

What planting zone is Monticello, FL?

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

When is the last frost in Monticello, FL?

The median last spring frost is February 25 and the median first fall frost is December 3 (NOAA 1991–2020 normals, Monticello 10 Sw station).

When can I plant a garden in Monticello, FL?

Cool-season crops like peas and spinach go in around Jan 14 – Feb 4; tomatoes, peppers, beans and squash after about Mar 4, once frost risk has passed.

What kind of onions grow in Monticello, FL?

Short-day onions: the longest day is 14 h 07 min, so summer days stay under about 14 h 20 min, so long-day varieties won’t bulb.

How much rain and snow does Monticello, FL get?

About 57.8 inches of precipitation a year (NOAA 1991–2020 normals).