GrowZone

ZIP 32202 planting calendar

When to plant tomatoes in Jacksonville, FL - Zone 9a

In ZIP 32202, plant tomatoes around Mar 8; this uses the Jacksonville frost station, USDA zone 9a, and tomatoes timing rules.

Your Jacksonville calendar has a 279-day estimated frost-free season. This estimate uses the representative Jacksonville frost station, USDA zone 9a, and tomatoes timing rules.

Source: jacksonville-intl frost station, USDA zone 9a, last updated 2026-06-28. Verify locally before planting high-value crops because microclimates, current weather, and yard exposure can move the safe date.

USDA zone 9a Jacksonville frost station University of Florida IFAS Extension Updated 2026-06-28
Read the method

Answer first

When to start tomatoes seeds indoors in Jacksonville

In ZIP 32202, start tomatoes seeds indoors around Jan 18, about 42 days before the Mar 1 last-frost estimate.

Start tomatoes seeds indoors in Jacksonville around Jan 18, about 42 days before the Mar 1 last-frost estimate.

Seed starting schedule

Tomatoes dates for Jacksonville, FL

StepDateHow to use it
Start IndoorsJanuary 18, 2026Start seeds under lights or in a bright indoor seed-starting space.
Transplant OutdoorsMarch 8, 2026Move hardened-off seedlings outside after the frost-risk window.

Last frost

When is the last frost in Jacksonville?

Jacksonville (ZIP 32202) has an average last spring frost around Mar 1.

First frost

When is the first frost in Jacksonville?

The average first fall frost is around Dec 5, giving about 279 frost-free days.

Season map

Tomatoes windows by month

JanFebMarAprMayJunJulAugSepOctNovDec
Start indoors
Jan 18
Transplant
Mar 8
Harvest
May 25
Frost watch
Sep 18

Reminder workflow

Every date has a next action

Start tomatoes indoorsJan 18
Last frost windowMar 1
Transplant tomatoesMar 8
First tomatoes harvest windowMay 25
Last tomatoes sowing targetSep 18
SignalValueWhy it matters
Last frost estimateMarch 1, 2026Warm-season transplant risk starts falling after this window.
First frost estimateDecember 5, 2026Fall planting counts backward from this date.
Season length279 daysLonger seasons can support succession crops.
Spacing18-24 inAirflow and root space affect yield.
Soil temperature60 F+Seeds and transplants stall in cold soil.

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Local data

Why this date changes by ZIP

Jacksonville frost history and USDA zone 9a shift the safe planting window. GrowZone uses a local representative station instead of one national rule.

University of Florida IFAS Extension is the kind of local source to verify against when a crop is expensive, weather is unusual, or your yard has a cold pocket.

Crop note

Tomatoes timing notes

Harden seedlings off for a week before transplanting. Tomatoes prefers full sun, 18-24 in spacing, and soil near 60 F+.

For fall, count backward from Dec 5. A conservative last sowing target is around Sep 18.