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When to plant Celery in Clinton County, IN

Clinton County gardeners should plant Celery between April 8 and April 29 in spring. With Clinton County's Zone 6a climate (last frost April 22), Celery needs 80–120 days to mature — plant by June 19 for a full harvest. A second sowing from August 8 to August 22 extends the harvest into fall.

When to Plant Celery in Clinton 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.

Clinton County, Indiana is in USDA Zone 6a. The average last spring frost is April 22 and the first fall frost is October 17, giving you a growing season of approximately 178 days.

At an elevation of 1,116 feet, Clinton County receives approximately 39.8 inches of rainfall annually with predominantly silt loam soil. Summer highs average 86°F, providing good warmth for Celery during the growing season.

Clinton County, IN (Zone 6a) Moderate season
178 days
Last Spring Frost April 22
178 growing days
First Fall Frost October 17

Clinton County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Celery Planting Timeline — Clinton County, IN

Celery Planting Calendar

Activity When Date Range
Start Indoors March 18 Mar 18 – Apr 1
Transplant Outdoors April 22 Apr 22 – May 6
Direct Sow April 8 Apr 8 – Apr 29
Harvest July 15 Jul 15 – Sep 9
Fall Sowing August 8 Aug 8 – Aug 22

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

Month-by-Month Timeline

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

📆 Growing Season

178 days in Clinton County

Growing Tips for Clinton 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 Clinton County, IN?

Clinton County is in Zone 6a with an average last frost of April 22. Plan your Celery planting based on this frost date — see the calendar above for exact timing.

What planting zone is Clinton County, IN?

Clinton County, Indiana is in USDA Hardiness Zone 6a. The average last spring frost is April 22 and first fall frost is October 17.

When should I plant Celery in Clinton County, IN?

In Clinton County, IN, plant Celery after the last frost (around April 22) and before the first frost (around October 17). Best results when soil holds above 50°F.

What growing zone is Clinton County, IN for Celery?

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

Can Celery grow in Clinton County's climate?

Yes — Celery grows well in Clinton County's temperate climate. Clinton County averages a 178-day frost-free season, with last frost around April 22 and first frost around October 17.

🌱

Your Clinton County Garden Planner — Free

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

Sources & credits

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