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When to Plant Celeriac in Hardeman County, TX

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.

Hardeman County, Texas is in USDA Zone 7b. The average last spring frost is March 30 and the first fall frost is November 7, giving you a growing season of approximately 222 days.

At an elevation of 2,010 feet, Hardeman County receives approximately 47.8 inches of rainfall annually with predominantly loam soil. Summer highs average 89Β°F, providing good warmth for Celeriac during the growing season.

Hardeman County, TX (Zone 7b) Long season
222 days
Last Spring Frost March 30
222 growing days
First Fall Frost November 7

Hardeman County Soil Profile

Soil Type

Loam

Soil pH

6.7-7.3

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€” 1.4" 0" ❄️ Dormant
Feb β€” 1.4" 0" ❄️ Dormant
Mar 4.3" 3" 1.3" πŸ’§ Light watering
Apr 4.3" 4.7" 0" βœ… Rainfall sufficient
May 4.3" 7.5" 0" βœ… Rainfall sufficient
Jun 4.3" 7.1" 0" βœ… Rainfall sufficient
Jul 4.3" 6.7" 0" βœ… Rainfall sufficient
Aug 4.3" 5.3" 0" βœ… Rainfall sufficient
Sep 4.3" 5.1" 0" βœ… Rainfall sufficient
Oct 4.3" 3" 1.3" πŸ’§ Light watering
Nov 4.3" 1.5" 2.8" 🚿 Regular watering
Dec β€” 1.1" 0" ❄️ Dormant

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

Celeriac Planting Timeline β€” Hardeman County, TX

Celeriac Planting Calendar

Activity When Date Range
Start Indoors February 23 Feb 23 – Mar 9
Transplant Outdoors March 30 Mar 30 – Apr 13
Direct Sow March 16 Mar 16 – Apr 6
Harvest July 13 Jul 13 – Aug 17
Fall Sowing August 29 Aug 29 – Sep 12

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

222 days in Hardeman County

Growing Tips for Hardeman 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 Hardeman County, TX?

Hardeman County is in Zone 7b with an average last frost of March 30. Plan your Celeriac planting based on this frost date β€” see the calendar above for exact timing.

What planting zone is Hardeman County, TX?

Hardeman County, Texas is in USDA Hardiness Zone 7b. The average last spring frost is March 30 and first fall frost is November 7.

🌱

Plan Your Garden with Confidence

Get our free Garden Planner β€” designed to help Hardeman County gardeners in Zone 7b organize planting dates, track what's growing, and never miss a planting window.

Get Your Free Garden Planner →

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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 Hardeman County, TX. Local conditions may vary. Last updated: April 2026.