When should I plant radishes in ZIP 32202?

In ZIP 32202, the main radishes target is around Feb 1, based on the representative Jacksonville frost station and USDA zone 9a.

When should I start radishes seeds indoors in 32202?

Radishes is usually direct-sown for ZIP 32202. Use the Feb 1 planting window instead of starting it indoors.

Is this a guaranteed planting date?

No. GrowZone uses frost-date estimates, hardiness zones, and crop timing rules for planning. Local microclimates and current weather can shift the right date.

ZIP 32202 planting calendar

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

Q: When is the first frost in Jacksonville?

Jacksonville (ZIP 32202) has an average first fall frost around Dec 5, leaving about 279 frost-free days.

In ZIP 32202, plant radishes around Feb 1; this uses the Jacksonville frost station, USDA zone 9a, and radishes 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 radishes 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 radishes seeds indoors in Jacksonville

In ZIP 32202, radishes is usually direct-sown around Feb 1 instead of started indoors.

Radishes is normally direct-sown in Jacksonville. Use around Feb 1 as the outdoor planting window for ZIP 32202.

Seed starting schedule

Radishes dates for Jacksonville, FL

Step	Date	How to use it
Direct Sow	February 1, 2026	Sow seed outside when the crop and soil can handle the 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

Radishes windows by month

JanFebMarAprMayJunJulAugSepOctNovDec

Direct sow

Feb 1

Harvest

Mar 1

Frost watch

Nov 7

Reminder workflow

Every date has a next action

Direct sow radishesFeb 1

Last frost windowMar 1

First radishes harvest windowMar 1

Last radishes sowing targetNov 7

Signal	Value	Why it matters
Last frost estimate	March 1, 2026	Warm-season transplant risk starts falling after this window.
First frost estimate	December 5, 2026	Fall planting counts backward from this date.
Season length	279 days	Longer seasons can support succession crops.
Spacing	1-2 in	Airflow and root space affect yield.
Soil temperature	40 F+	Seeds and transplants stall in cold soil.

GrowZone may earn from qualifying seed or supply links when real affiliate IDs are configured. No monetized links are active without disclosure.

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

Radishes timing notes

Fast crop; harvest promptly before roots get woody. Radishes prefers full sun, 1-2 in spacing, and soil near 40 F+.

For fall, count backward from Dec 5. A conservative last sowing target is around Nov 7.