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When to plant Celery in Martin County, IN

In Zone 6b (Martin County), direct-sow Celery between March 30 and April 20 for spring, after the April 13 last-frost mark. A second sowing from August 12 to August 26 extends the harvest into fall.

When to Plant Celery in Martin County, IN

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.

Martin County, Indiana is in USDA Zone 6b. The average last spring frost is April 13 and the first fall frost is October 21, giving you a growing season of approximately 191 days.

At an elevation of 884 feet, Martin County receives approximately 34.9 inches of rainfall annually with predominantly silt loam soil. Summer highs average 88°F, providing good warmth for Celery during the growing season.

Martin County, IN (Zone 6b) Moderate season
191 days
Last Spring Frost April 13
191 growing days
First Fall Frost October 21

Martin County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Celery Planting Timeline — Martin County, IN

Celery Planting Calendar

Activity When Date Range
Start Indoors March 9 Mar 9 – Mar 23
Transplant Outdoors April 13 Apr 13 – Apr 27
Direct Sow March 30 Mar 30 – Apr 20
Harvest July 6 Jul 6 – Aug 31
Fall Sowing August 12 Aug 12 – Aug 26

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

Month-by-Month Timeline

MonthActivities
January
February
March Start Indoors Direct Sow
April Transplant Outdoors Direct Sow
May
June
July Harvest
August Fall Sowing Harvest
September
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 6b

📆 Growing Season

191 days in Martin County

Growing Tips for Martin 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 Martin County, IN?

Martin County is in Zone 6b with an average last frost of April 13. Plan your Celery planting based on this frost date — see the calendar above for exact timing.

What planting zone is Martin County, IN?

Martin County, Indiana is in USDA Hardiness Zone 6b. The average last spring frost is April 13 and first fall frost is October 21.

When should I plant Celery in Martin County, IN?

In Martin County, IN, plant Celery after the last frost (around April 13) and before the first frost (around October 21). Best results when soil holds above 50°F.

What growing zone is Martin County, IN for Celery?

Martin County sits in USDA Zone 6b. Celery grows reliably in zones 2a through 10b, so it's a good fit here.

Can Celery grow in Martin County's climate?

Yes — Celery grows well in Martin County's temperate climate. Martin County averages a 191-day frost-free season, with last frost around April 13 and first frost around October 21.

🌱

Your Martin County Garden Planner — Free

A 22-page printable planner built for Martin County (Zone 6b). 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 Martin County, IN. Local conditions may vary. Last updated: June 2026.

Sources & credits

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