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When to Plant Celeriac in Coahoma County, MS

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.

Coahoma County, Mississippi is in USDA Zone 8a. The average last spring frost is March 16 and the first fall frost is November 11, giving you a growing season of approximately 240 days.

At an elevation of 490 feet, Coahoma County receives approximately 54.1 inches of rainfall annually with predominantly clay loam soil. Summer highs average 96ยฐF, so Celeriac may need afternoon shade and extra watering during peak heat. 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.

Coahoma County, MS (Zone 8a) Long season
240 days
Last Spring Frost March 16
240 growing days
First Fall Frost November 11

Coahoma County Soil Profile

Soil Type

Clay Loam

Soil pH

5.3-6.5

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (97 days to spare)
Start indoors: Feb 2 Transplant: Mar 9 🍅 Harvest: Jun 22 – Jul 27
Recommended (50%) ✓ Fits season (100 days to spare)
Start indoors: Feb 9 Transplant: Mar 16 🍅 Harvest: Jun 29 – Aug 3
Safe Start (90%) ✓ Fits season (95 days to spare)
Start indoors: Mar 4 Transplant: Apr 8 🍅 Harvest: Jul 22 – Aug 26

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.

Plant Water Budget

Plant needs
1.5″/week
Rainfall provides
1.0″/week
You supply
0.6″/week
Watering frequency 1-2 times/week
Season total 1,182 gal / 100 sq ft
Celeriac needs ~2,420 GDD — county provides 5,280 GDD Excellent fit

Celeriac Planting Timeline โ€” Coahoma County, MS

Celeriac Planting Calendar

Activity When Date Range
Start Indoors February 9 Feb 9 โ€“ Feb 23
Transplant Outdoors March 16 Mar 16 โ€“ Mar 30
Direct Sow March 2 Mar 2 โ€“ Mar 23
Fall Sowing September 2 Sep 2 โ€“ Sep 16
Harvest June 29 Jun 29 โ€“ Aug 3

Plant 1" deep ยท 15" apart ยท Rows 24" apart

Month-by-Month Timeline

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

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

High โ€” keep soil consistently moist

Days to Maturity

100โ€“120 days

Soil pH

6 โ€“ 7

USDA Zone

Zone 8a

Growing Season

240 days

Growing Tips for Coahoma 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

Level Up Your Garden

Frequently Asked Questions

When should I plant Celeriac in Coahoma County, MS?

Coahoma County is in Zone 8a with an average last frost of March 16. Plan your Celeriac planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Coahoma County, MS?

Coahoma County, Mississippi is in USDA Hardiness Zone 8a. The average last spring frost is March 16 and first fall frost is November 11.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Coahoma County gardeners in Zone 8a 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 Coahoma County, MS. Local conditions may vary. Last updated: April 2026.