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When to plant Celeriac in Marengo County, AL

In Zone 8b (Marengo County), direct-sow Celeriac between February 27 and March 20 for spring, after the March 13 last-frost mark. A second sowing from September 4 to September 18 extends the harvest into fall.

When to Plant Celeriac in Marengo County, AL

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.

Marengo County, Alabama is in USDA Zone 8b. The average last spring frost is March 13 and the first fall frost is November 13, giving you a growing season of approximately 245 days.

At an elevation of 453 feet, Marengo County receives approximately 59.8 inches of rainfall annually with predominantly clay loam soil. Summer highs average 90°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.

Marengo County, AL (Zone 8b) Long season
245 days
Last Spring Frost March 13
245 growing days
First Fall Frost November 13

Marengo County Soil Profile

Soil Type

Clay Loam

Soil pH

5.2-6.7

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 4.5" 0" ❄️ Dormant
Feb 5" 0" ❄️ Dormant
Mar 4.3" 5.3" 0" ✅ Rainfall sufficient
Apr 4.3" 4.3" 0" ✅ Rainfall sufficient
May 4.3" 4.5" 0" ✅ Rainfall sufficient
Jun 4.3" 5.8" 0" ✅ Rainfall sufficient
Jul 4.3" 5.7" 0" ✅ Rainfall sufficient
Aug 4.3" 6.1" 0" ✅ Rainfall sufficient
Sep 4.3" 4.8" 0" ✅ Rainfall sufficient
Oct 4.3" 4.6" 0" ✅ Rainfall sufficient
Nov 4.3" 4.7" 0" ✅ Rainfall sufficient
Dec 4.4" 0" ❄️ Dormant

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

Celeriac Planting Timeline — Marengo County, AL

Celeriac Planting Calendar

Activity When Date Range
Start Indoors February 6 Feb 6 – Feb 20
Transplant Outdoors March 13 Mar 13 – Mar 27
Direct Sow February 27 Feb 27 – Mar 20
Harvest June 26 Jun 26 – Jul 31
Fall Sowing September 4 Sep 4 – Sep 18

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

High — keep soil consistently moist

📅 Days to Maturity

100–120 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 8b

📆 Growing Season

245 days in Marengo County

Growing Tips for Marengo 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 Marengo County, AL?

Marengo County is in Zone 8b with an average last frost of March 13. Plan your Celeriac planting based on this frost date — see the calendar above for exact timing.

What planting zone is Marengo County, AL?

Marengo County, Alabama is in USDA Hardiness Zone 8b. The average last spring frost is March 13 and first fall frost is November 13.

When should I plant Celeriac in Marengo County, AL?

In Marengo County, AL, plant Celeriac after the last frost (around March 13) and before the first frost (around November 13). Best results when soil holds above 50°F.

What growing zone is Marengo County, AL for Celeriac?

Marengo County sits in USDA Zone 8b. Celeriac grows reliably in zones 3a through 9b, so it's a good fit here.

Can Celeriac grow in Marengo County's climate?

Yes — Celeriac grows well in Marengo County's temperate climate. Marengo County averages a 245-day frost-free season, with last frost around March 13 and first frost around November 13.

🌱

Your Marengo County Garden Planner — Free

A 22-page printable planner built for Marengo County (Zone 8b). 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 Marengo County, AL. Local conditions may vary. Last updated: July 2026.

Sources & credits

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