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When to Plant Celeriac in Adams 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.

Adams County, Mississippi is in USDA Zone 8a. The average last spring frost is March 10 and the first fall frost is November 12, giving you a growing season of approximately 247 days.

At an elevation of 458 feet, Adams County receives approximately 54.1 inches of rainfall annually with predominantly clay loam soil. Summer highs average 97ยฐF, 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.

Adams County, MS (Zone 8a) Long season
247 days
Last Spring Frost March 10
247 growing days
First Fall Frost November 12

Adams County Soil Profile

Soil Type

Clay Loam

Soil pH

5.6-6.2

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (101 days to spare)
Start indoors: Jan 29 Transplant: Mar 5 🍅 Harvest: Jun 18 – Jul 23
Recommended (50%) ✓ Fits season (107 days to spare)
Start indoors: Feb 3 Transplant: Mar 10 🍅 Harvest: Jun 23 – Jul 28
Safe Start (90%) ✓ Fits season (96 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
0.9″/week
You supply
0.6″/week
Watering frequency 1-2 times/week
Season total 1,275 gal / 100 sq ft
Celeriac needs ~2,502 GDD — county provides 5,619 GDD Excellent fit

Celeriac Planting Timeline โ€” Adams County, MS

Celeriac Planting Calendar

Activity When Date Range
Start Indoors February 3 Feb 3 โ€“ Feb 17
Transplant Outdoors March 10 Mar 10 โ€“ Mar 24
Direct Sow February 24 Feb 24 โ€“ Mar 17
Fall Sowing September 3 Sep 3 โ€“ Sep 17
Harvest June 23 Jun 23 โ€“ Jul 28

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

Month-by-Month Timeline

MonthActivities
January โ€”
February Start Indoors Direct Sow
March Transplant Outdoors Direct Sow
April โ€”
May โ€”
June Harvest
July Harvest
August โ€”
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

247 days

Growing Tips for Adams 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 Adams County, MS?

Adams County is in Zone 8a with an average last frost of March 10. Plan your Celeriac planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Adams County, MS?

Adams County, Mississippi is in USDA Hardiness Zone 8a. The average last spring frost is March 10 and first fall frost is November 12.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Adams 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 Adams County, MS. Local conditions may vary. Last updated: April 2026.