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When to plant Celery in Union County, MS

In Zone 8a (Union County), direct-sow Celery between March 16 and April 6 for spring, after the March 30 last-frost mark. A second sowing from August 20 to September 3 extends the harvest into fall.

When to Plant Celery in Union County, MS

Celery

Celery is a marshland plant that requires consistent moisture and cool temperatures to produce crisp, flavorful stalks. It is a rewarding but demanding garden crop.

Union County, Mississippi is in USDA Zone 8a. The average last spring frost is March 30 and the first fall frost is October 29, giving you a growing season of approximately 213 days.

At an elevation of 196 feet, Union County receives approximately 49.9 inches of rainfall annually with predominantly clay loam soil. Summer highs average 94°F, providing good warmth for Celery during the growing season. Clay soil retains moisture well for Celery, but amend with compost to improve drainage and prevent root rot.

Union County, MS (Zone 8a) Long season
213 days
Last Spring Frost March 30
213 growing days
First Fall Frost October 29

Union County Soil Profile

Soil Type

Clay Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Celery Planting Timeline — Union County, MS

Celery 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 June 22 Jun 22 – Aug 17
Fall Sowing August 20 Aug 20 – Sep 3

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

High — keep soil consistently moist

📅 Days to Maturity

80–120 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 8a

📆 Growing Season

213 days in Union County

Growing Tips for Union County

Start seeds indoors 10-12 weeks before last frost. Keep soil consistently moist and never let it dry out. Blanch stalks by mounding soil or using collars for milder 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 Celery in Union County, MS?

Union County is in Zone 8a with an average last frost of March 30. Plan your Celery planting based on this frost date — see the calendar above for exact timing.

What planting zone is Union County, MS?

Union County, Mississippi is in USDA Hardiness Zone 8a. The average last spring frost is March 30 and first fall frost is October 29.

When should I plant Celery in Union County, MS?

In Union County, MS, plant Celery after the last frost (around March 30) and before the first frost (around October 29). Best results when soil holds above 50°F.

What growing zone is Union County, MS for Celery?

Union County sits in USDA Zone 8a. Celery grows reliably in zones 2a through 10b, so it's a good fit here.

Can Celery grow in Union County's climate?

Yes — Celery grows well in Union County's temperate climate. Union County averages a 213-day frost-free season, with last frost around March 30 and first frost around October 29.

🌱

Your Union County Garden Planner — Free

A 22-page printable planner built for Union County (Zone 8a). 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 Union County, MS. Local conditions may vary. Last updated: June 2026.

Sources & credits

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