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When to Plant Radicchio in Lumpkin County, GA

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.

Lumpkin County, Georgia is in USDA Zone 7a. The average last spring frost is March 27 and the first fall frost is November 6, giving you a growing season of approximately 224 days.

At an elevation of 147 feet, Lumpkin County receives approximately 48.5 inches of rainfall annually with predominantly clay loam soil. Summer highs average 92ยฐF, providing good warmth for Radicchio during the growing season. Clay soil retains moisture well for Radicchio, but amend with compost to improve drainage and prevent root rot.

Lumpkin County, GA (Zone 7a) Long season
224 days
Last Spring Frost March 27
224 growing days
First Fall Frost November 6

Lumpkin County Soil Profile

Soil Type

Clay Loam

Soil pH

5.8-6.6

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (125 days to spare)
Start indoors: Feb 11 Transplant: Mar 18 🍅 Harvest: May 20 – Jun 24
Recommended (50%) ✓ Fits season (126 days to spare)
Start indoors: Feb 20 Transplant: Mar 27 🍅 Harvest: May 29 – Jul 3
Safe Start (90%) ✓ Fits season (121 days to spare)
Start indoors: Mar 21 Transplant: Apr 25 🍅 Harvest: Jun 27 – Aug 1

Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.

Soil Compatibility in Lumpkin County

How your county's soil matches Radicchio's growing requirements.

Soil pH

Your soil pH (5.8โ€“6.6) overlaps with Radicchio's range (6.0โ€“7.0), though not a perfect match.

Soil Texture

The clay loam soil in Lumpkin County is excellent for Radicchio โ€” good drainage, moisture retention, and nutrient holding capacity.

Organic Matter

Organic matter is moderate (2.8%). Annual compost additions will help Radicchio.

How to Plant Radicchio

0.5"
Planting Depth
6"
Between Plants
12"
Between Rows

Fall planting: Sow 10 weeks before your first frost date for a fall harvest.

Succession Planting Radicchio

4
successive plantings in your 224-day season

Sow every 6.9 weeks. Last sowing by Aug 18 to harvest before frost.

For a dedicated fall crop, sow by Aug 28.

Plant Water Budget

Plant needs
0.7″/week
Rainfall provides
0.9″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft

Monthly Watering Guide for Radicchio

Radicchio needs approximately 0.7 inches of water per week (3" per month). Here's how your county's rainfall compares month by month.

Month Radicchio Needs Rainfall You Supplement Action
Jan โ€” 4.5" 0" โ„๏ธ Dormant
Feb โ€” 3.7" 0" โ„๏ธ Dormant
Mar 3" 4.6" 0" โœ… Rainfall sufficient
Apr 3" 3.6" 0" โœ… Rainfall sufficient
May 3" 4.2" 0" โœ… Rainfall sufficient
Jun 3" 4.7" 0" โœ… Rainfall sufficient
Jul 3" 4.3" 0" โœ… Rainfall sufficient
Aug 3" 4.4" 0" โœ… Rainfall sufficient
Sep 3" 3.4" 0" โœ… Rainfall sufficient
Oct 3" 3.3" 0" โœ… Rainfall sufficient
Nov 3" 3.6" 0" โœ… Rainfall sufficient
Dec โ€” 4.3" 0" โ„๏ธ Dormant

Water needs are for active growing months only (Marโ€“Nov in Lumpkin County). Supplement amounts are based on average rainfall โ€” actual needs vary with temperature, soil, and mulching.

Radicchio Heat Requirements (GDD)

What are Growing Degree Days (GDD)?

Growing Degree Days measure the total warmth your plants receive during the growing season. Think of it as a "heat bank" โ€” every day above 50ยฐF deposits warmth that helps your plants grow.

Each plant needs a certain amount of accumulated heat to mature. If your county provides more GDD than the plant needs, it's a great fit. If it's close, you may want to choose faster-maturing varieties or start seeds indoors to get a head start.

Radicchio needs ~1,330 GDD — county provides 4,256 GDD Excellent fit

Radicchio Planting Timeline โ€” Lumpkin County, GA

Radicchio Planting Calendar

Activity When Date Range
Start Indoors February 20 Feb 20 โ€“ Mar 6
Transplant Outdoors March 27 Mar 27 โ€“ Apr 10
Direct Sow March 13 Mar 13 โ€“ Apr 3
Harvest May 29 May 29 โ€“ Jul 3
Fall Sowing August 28 Aug 28 โ€“ Sep 11

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

Month-by-Month Timeline

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

Growing Conditions

โ˜€๏ธ Sun

Full Sun (6-8+ hours)

๐Ÿ’ง Water

0.7"/week ยท Natural rainfall sufficient

๐Ÿ“… Days to Maturity

60โ€“80 days

๐Ÿงช Soil pH

Needs 6โ€“7 ยท Your soil: acceptable

๐Ÿ—บ๏ธ USDA Zone

Zone 7a

๐Ÿ“† Growing Season

224 days in Lumpkin County

Growing Tips for Radicchio in Lumpkin County

Direct sow Radicchio outdoors after March 27 in Lumpkin County when soil has warmed and frost danger has passed.

With Lumpkin County's clay soil (29% clay), work in 3-4 inches of compost before planting Radicchio. Avoid tilling when soil is wet to prevent compaction.

Common pests for Radicchio in this region include aphids and slugs. Use row covers early in the season and inspect plants weekly.

General growing tips

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 Lumpkin County, GA?

Lumpkin County is in Zone 7a with an average last frost of March 27. Plan your Radicchio planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Lumpkin County, GA?

Lumpkin County, Georgia is in USDA Hardiness Zone 7a. The average last spring frost is March 27 and first fall frost is November 6.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Lumpkin County gardeners in Zone 7a organize planting dates, track what's growing, and never miss a planting window.

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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 Lumpkin County, GA. Local conditions may vary. Last updated: April 2026.