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When to plant Radicchio in Hardee County County,

For Radicchio in Hardee County County, the safe spring window opens around January 6 and closes around January 27. Last expected frost is January 27, first fall frost December 20, giving a 328-day growing season. A second sowing from October 25 to November 8 extends the harvest into fall.

When to Plant Radicchio in Hardee 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.

Hardee County, Florida is in USDA Zone 9b. The average last spring frost is January 27 and the first fall frost is December 20, giving you a growing season of approximately 327 days.

At an elevation of 374 feet, Hardee County receives approximately 59.8 inches of rainfall annually with predominantly sand soil. Summer highs average 102°F, so Radicchio may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring — great for early planting — but Radicchio will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Radicchio root diseases.

Hardee County, FL (Zone 9b) Year-round
327 days
Last Spring Frost January 27
327 growing days
First Fall Frost December 20
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Hardee County Soil Profile

Soil Type

Sand

Soil pH

4.9-5.8

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 4.3" 2.7" 1.6" 💧 Light watering
Feb 4.3" 3.1" 1.2" 💧 Light watering
Mar 4.3" 3.3" 1" 💧 Light watering
Apr 4.3" 2.9" 1.4" 💧 Light watering
May 4.3" 3.8" 0.5" 💧 Light watering
Jun 4.3" 8.7" 0" ✅ Rainfall sufficient
Jul 4.3" 10.3" 0" ✅ Rainfall sufficient
Aug 4.3" 8.7" 0" ✅ Rainfall sufficient
Sep 4.3" 7.5" 0" ✅ Rainfall sufficient
Oct 4.3" 4.6" 0" ✅ Rainfall sufficient
Nov 4.3" 2.1" 2.2" 🚿 Regular watering
Dec 4.3" 2.1" 2.2" 🚿 Regular watering

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

Radicchio Planting Timeline — Hardee County, FL

Radicchio Planting Calendar

Activity When Date Range
Start Indoors December 30 Dec 30 – Jan 13
Transplant Outdoors January 27 Jan 27 – Feb 10
Direct Sow January 6 Jan 6 – Jan 27
Harvest March 31 Mar 31 – May 5
Fall Sowing October 25 Oct 25 – Nov 8

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

Month-by-Month Timeline

MonthActivities
January Start Indoors Transplant Outdoors Direct Sow
February Transplant Outdoors
March Harvest
April Harvest
May Harvest
June
July
August
September
October Fall Sowing
November Fall Sowing
December Start Indoors
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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 9b

📆 Growing Season

327 days in Hardee County

Growing Tips for Hardee 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 Hardee County, FL?

Hardee County is in Zone 9b with an average last frost of January 27. Plan your Radicchio planting based on this frost date — see the calendar above for exact timing.

What planting zone is Hardee County, FL?

Hardee County, Florida is in USDA Hardiness Zone 9b. The average last spring frost is January 27 and first fall frost is December 20.

When should I plant Radicchio in Hardee County County, ?

In Hardee County County, , plant Radicchio after the last frost (around January 27) and before the first frost (around December 20). Best results when soil holds above 50°F.

What growing zone is Hardee County County, for Radicchio?

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

Can Radicchio grow in Hardee County County's climate?

Yes — Radicchio grows well in Hardee County County's temperate climate. Hardee County County averages a 328-day frost-free season, with last frost around January 27 and first frost around December 20.

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Your Hardee County Garden Planner — Free

A 22-page printable planner built for Hardee County (Zone 9b). 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 Hardee County, FL. Local conditions may vary. Last updated: June 2026.

Sources & credits

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