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When to Plant Celeriac in Douglas County, GA

Celeriac is a celery relative grown for its knobby, flavorful root rather than its stalks. It has a rich celery flavor and is excellent roasted, mashed, or in soups.

Douglas County, Georgia is in USDA Zone 7b. The average last spring frost is March 31 and the first fall frost is November 1, giving you a growing season of approximately 215 days.

At an elevation of 171 feet, Douglas County receives approximately 60.8 inches of rainfall annually with predominantly clay loam soil. Summer highs average 94Β°F, providing good warmth for Celeriac during the growing season. Clay soil retains moisture well for Celeriac, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Celeriac root diseases.

Douglas County, GA (Zone 7b) Long season
215 days
Last Spring Frost March 31
215 growing days
First Fall Frost November 1

Douglas County Soil Profile

Soil Type

Clay Loam

Soil pH

5.5-6.2

Drainage

Well Drained

Monthly Watering Guide for Celeriac

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

Month Celeriac Needs Rainfall You Supplement Action
Jan β€” 5.2" 0" ❄️ Dormant
Feb β€” 4.4" 0" ❄️ Dormant
Mar 4.3" 5.4" 0" βœ… Rainfall sufficient
Apr 4.3" 5.1" 0" βœ… Rainfall sufficient
May 4.3" 4.5" 0" βœ… Rainfall sufficient
Jun 4.3" 5.7" 0" βœ… Rainfall sufficient
Jul 4.3" 6.6" 0" βœ… Rainfall sufficient
Aug 4.3" 6.2" 0" βœ… Rainfall sufficient
Sep 4.3" 4.6" 0" βœ… Rainfall sufficient
Oct 4.3" 4" 0.3" πŸ’§ Light watering
Nov 4.3" 4.7" 0" βœ… Rainfall sufficient
Dec β€” 4.5" 0" ❄️ Dormant

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

Celeriac Planting Timeline β€” Douglas County, GA

Celeriac Planting Calendar

Activity When Date Range
Start Indoors February 24 Feb 24 – Mar 10
Transplant Outdoors March 31 Mar 31 – Apr 14
Direct Sow March 17 Mar 17 – Apr 7
Harvest July 14 Jul 14 – Aug 18
Fall Sowing August 23 Aug 23 – Sep 6

Plant 1" deep Β· 15" apart Β· Rows 24" apart

Month-by-Month Timeline

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

Growing Conditions

β˜€οΈ Sun

Full Sun (6-8+ hours)

πŸ’§ Water

High β€” keep soil consistently moist

πŸ“… Days to Maturity

100–120 days

πŸ§ͺ Soil pH

Needs 6–7 Β· Your soil: N/A

πŸ—ΊοΈ USDA Zone

Zone 7b

πŸ“† Growing Season

215 days in Douglas County

Growing Tips for Douglas County

Start seeds indoors 10-12 weeks before last frost. Remove side roots as they develop to encourage a single large bulb. Harvest after a light frost for best flavor.

Companion Planting

Good Companions

Avoid Planting Near

  • Carrots
  • Parsnip

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Celeriac in Douglas County, GA?

Douglas County is in Zone 7b with an average last frost of March 31. Plan your Celeriac planting based on this frost date β€” see the calendar above for exact timing.

What planting zone is Douglas County, GA?

Douglas County, Georgia is in USDA Hardiness Zone 7b. The average last spring frost is March 31 and first fall frost is November 1.

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Plan Your Garden with Confidence

Get our free Garden Planner β€” designed to help Douglas County gardeners in Zone 7b 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 Douglas County, GA. Local conditions may vary. Last updated: April 2026.