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When to plant Radicchio in Jackson County, FL

In Jackson County, plant Radicchio in spring between February 13 and March 6, once soil temps hold above 50°F. Jackson County's last frost averages March 6, so aim for a steady week of warm soil before planting. For a fall crop, sow between September 24 and October 8 — roughly 60–80 days before the first frost on November 19.

When to Plant Radicchio in Jackson County, FL

Radicchio is an Italian chicory with stunning red and white leaves and a pleasantly bitter flavor. It forms tight heads and is used in salads, grilled, or braised.

Jackson County, Florida is in USDA Zone 9a. The average last spring frost is March 6 and the first fall frost is November 19, giving you a growing season of approximately 258 days.

At an elevation of 223 feet, Jackson County receives approximately 48.5 inches of rainfall annually with predominantly sand soil. Summer highs average 92°F, providing good warmth for Radicchio during the growing season. Sandy soil warms quickly in spring — great for early planting — but Radicchio will need more frequent watering and organic matter to retain nutrients.

Jackson County, FL (Zone 9a) Long season
258 days
Last Spring Frost March 6
258 growing days
First Fall Frost November 19

Jackson County Soil Profile

Soil Type

Sand

Soil pH

5.1-6

Drainage

Well Drained

Monthly Watering Guide for Radicchio

Radicchio needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.

Month Radicchio Needs Rainfall You Supplement Action
Jan 2.3" 0" ❄️ Dormant
Feb 2.6" 0" ❄️ Dormant
Mar 4.3" 2.7" 1.6" 💧 Light watering
Apr 4.3" 1.9" 2.4" 🚿 Regular watering
May 4.3" 3.2" 1.1" 💧 Light watering
Jun 4.3" 7" 0" ✅ Rainfall sufficient
Jul 4.3" 7.2" 0" ✅ Rainfall sufficient
Aug 4.3" 7.5" 0" ✅ Rainfall sufficient
Sep 4.3" 6.1" 0" ✅ Rainfall sufficient
Oct 4.3" 4" 0.3" 💧 Light watering
Nov 4.3" 1.9" 2.4" 🚿 Regular watering
Dec 2.1" 0" ❄️ Dormant

Water needs are for active growing months only (Mar–Nov in Jackson County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.

Radicchio Planting Timeline — Jackson County, FL

Radicchio Planting Calendar

Activity When Date Range
Start Indoors February 6 Feb 6 – Feb 20
Transplant Outdoors March 6 Mar 6 – Mar 20
Direct Sow February 13 Feb 13 – Mar 6
Harvest May 8 May 8 – Jun 12
Fall Sowing September 24 Sep 24 – Oct 8

Plant 0.5" deep · 6" apart · Rows 12" apart

Month-by-Month Timeline

MonthActivities
January
February Start Indoors Direct Sow
March Transplant Outdoors Direct Sow
April
May Harvest
June Harvest
July
August
September Fall Sowing
October Fall Sowing
November
December

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

60–80 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 9a

📆 Growing Season

258 days in Jackson County

Growing Tips for Jackson County

Start in late summer for fall harvest. The red color develops with cool nights and light frost. Harvest when heads are firm and compact.

Companion Planting

Good Companions

Avoid Planting Near

  • Fennel

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Radicchio in Jackson County, FL?

Jackson County is in Zone 9a with an average last frost of March 6. Plan your Radicchio planting based on this frost date — see the calendar above for exact timing.

What planting zone is Jackson County, FL?

Jackson County, Florida is in USDA Hardiness Zone 9a. The average last spring frost is March 6 and first fall frost is November 19.

When should I plant Radicchio in Jackson County, FL?

In Jackson County, FL, plant Radicchio after the last frost (around March 6) and before the first frost (around November 19). Best results when soil holds above 50°F.

What growing zone is Jackson County, FL for Radicchio?

Jackson County sits in USDA Zone 9a. Radicchio grows reliably in zones 4a through 10b, so it's a good fit here.

Can Radicchio grow in Jackson County's climate?

Yes — Radicchio grows well in Jackson County's temperate climate. Jackson County averages a 258-day frost-free season, with last frost around March 6 and first frost around November 19.

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Your Jackson County Garden Planner — Free

A 22-page printable planner built for Jackson County (Zone 9a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

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Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Jackson County, FL. Local conditions may vary. Last updated: July 2026.

Sources & credits

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