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When to Plant Daikon in Colquitt County, GA

Colquitt County, Georgia Zone 9a May

What to do in May

Welcome to May in Zone 9a. These are the moves that will have the biggest impact on your growing season.

Avg. last frost March 7
Avg. first frost November 20
Soil temp (4") 72°F
Watering Low
Pest pressure High
Daylight 13.6 hrs
  1. It's harvest week for daikon

    This is the payoff month. Bring a basket, bring a friend, and get into the beds.

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Daikon is a large, mild Japanese radish that can grow over a foot long. It is excellent for pickling, stir-fries, and as a soil-breaking cover crop.

Colquitt County, Georgia is in USDA Zone 9a. The average last spring frost is March 7 and the first fall frost is November 20, giving you a growing season of approximately 258 days.

At an elevation of 211 feet, Colquitt County receives approximately 54.5 inches of rainfall annually with predominantly clay loam soil. Summer highs average 96°F, so Daikon may need afternoon shade and extra watering during peak heat. Clay soil retains moisture well for Daikon, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Daikon root diseases.

Colquitt County, GA (Zone 9a) Long season
258 days
Last Spring Frost March 7
258 growing days
First Fall Frost November 20

Colquitt County Soil Profile

Soil Type

Clay Loam

Soil pH

5.7-6.2

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (174 days to spare)
Transplant: Feb 28 🍅 Harvest: Apr 25 – May 23
Recommended (50%) ✓ Fits season (174 days to spare)
Transplant: Mar 7 🍅 Harvest: May 2 – May 30
Safe Start (90%) ✓ Fits season (180 days to spare)
Transplant: Mar 26 🍅 Harvest: May 21 – Jun 18

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 Colquitt County

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

Soil pH

Your soil pH (5.7–6.2) overlaps with Daikon's range (5.8–7.0), though not a perfect match.

Soil Texture

The clay loam soil in Colquitt County is excellent for Daikon — good drainage, moisture retention, and nutrient holding capacity.

Organic Matter

Organic matter is moderate (2.9%). Annual compost additions will help Daikon.

How to Plant Daikon

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

Fall planting: Sow 8 weeks before your first frost date for a fall harvest.

Succession Planting Daikon

6
successive plantings in your 258-day season

Sow every 5.7 weeks. Last sowing by Sep 11 to harvest before frost.

For a dedicated fall crop, sow by Sep 25.

Plant Water Budget

Plant needs
1.0″/week
Rainfall provides
0.9″/week
You supply
0.1″/week
Watering frequency Only during dry spells
Season total 259 gal / 100 sq ft

Monthly Watering Guide for Daikon

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

Month Daikon Needs Rainfall You Supplement Action
Jan 5" 0" ❄️ Dormant
Feb 4.8" 0" ❄️ Dormant
Mar 4.3" 5.9" 0" ✅ Rainfall sufficient
Apr 4.3" 4.1" 0.2" 💧 Light watering
May 4.3" 4" 0.3" 💧 Light watering
Jun 4.3" 5.3" 0" ✅ Rainfall sufficient
Jul 4.3" 4.9" 0" ✅ Rainfall sufficient
Aug 4.3" 4.8" 0" ✅ Rainfall sufficient
Sep 4.3" 4.1" 0.2" 💧 Light watering
Oct 4.3" 3.5" 0.8" 💧 Light watering
Nov 4.3" 4.1" 0.2" 💧 Light watering
Dec 3.9" 0" ❄️ Dormant

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

Daikon 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" — every day above 50°F 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.

Daikon needs ~1,320 GDD — county provides 5,676 GDD Excellent fit

Daikon Planting Timeline — Colquitt County, GA

Daikon Planting Calendar

Activity When Date Range
Direct Sow February 14 Feb 14 – Mar 7
Harvest April 11 Apr 11 – May 9
Fall Sowing September 25 Sep 25 – Oct 9

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

1"/week · Only during dry spells

📅 Days to Maturity

50–70 days

🧪 Soil pH

Needs 5.8–7 · Your soil: acceptable

🗺️ USDA Zone

Zone 9a

📆 Growing Season

258 days in Colquitt County

Growing Tips for Daikon in Colquitt County

Direct sow Daikon outdoors after March 07 in Colquitt County when soil has warmed and frost danger has passed.

With Colquitt County's clay soil (33% clay), work in 3-4 inches of compost before planting Daikon. Avoid tilling when soil is wet to prevent compaction.

With summer highs reaching 96°F in Colquitt County, provide afternoon shade for Daikon and water deeply in the morning.

Common pests for Daikon in this region include cabbage worm and flea beetles. Use row covers early in the season and inspect plants weekly.

General growing tips

Direct sow in late summer for fall harvest. Loosen soil deeply before planting. Thin seedlings to 6 inches apart. Harvest before hard freeze as exposed shoulders may crack.

Companion Planting

Good Companions

Avoid Planting Near

  • Hyssop

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Daikon in Colquitt County, GA?

Colquitt County is in Zone 9a with an average last frost of March 7. Plan your Daikon planting based on this frost date — see the calendar above for exact timing.

What planting zone is Colquitt County, GA?

Colquitt County, Georgia is in USDA Hardiness Zone 9a. The average last spring frost is March 7 and first fall frost is November 20.

🌱

Your Colquitt County Garden Planner — Free

A 24-page printable planner built for Colquitt 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 Colquitt County, GA. Local conditions may vary. Last updated: May 2026.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.