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When to plant Celery in Washington County, KY

In Zone 7a (Washington County), direct-sow Celery between March 25 and April 15 for spring, after the April 8 last-frost mark. A second sowing from August 20 to September 3 extends the harvest into fall.

When to Plant Celery in Washington County, KY

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.

Washington County, Kentucky is in USDA Zone 7a. The average last spring frost is April 8 and the first fall frost is October 29, giving you a growing season of approximately 204 days.

At an elevation of 2,281 feet, Washington County receives approximately 43.1 inches of rainfall annually with predominantly silt loam soil. Summer highs average 91°F, providing good warmth for Celery during the growing season.

Washington County, KY (Zone 7a) Long season
204 days
Last Spring Frost April 8
204 growing days
First Fall Frost October 29

Washington County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Celery Planting Timeline — Washington County, KY

Celery Planting Calendar

Activity When Date Range
Start Indoors March 4 Mar 4 – Mar 18
Transplant Outdoors April 8 Apr 8 – Apr 22
Direct Sow March 25 Mar 25 – Apr 15
Harvest July 1 Jul 1 – Aug 26
Fall Sowing August 20 Aug 20 – Sep 3

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 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 7a

📆 Growing Season

204 days in Washington County

Growing Tips for Washington 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 Washington County, KY?

Washington County is in Zone 7a with an average last frost of April 8. Plan your Celery planting based on this frost date — see the calendar above for exact timing.

What planting zone is Washington County, KY?

Washington County, Kentucky is in USDA Hardiness Zone 7a. The average last spring frost is April 8 and first fall frost is October 29.

When should I plant Celery in Washington County, KY?

In Washington County, KY, plant Celery after the last frost (around April 8) and before the first frost (around October 29). Best results when soil holds above 50°F.

What growing zone is Washington County, KY for Celery?

Washington County sits in USDA Zone 7a. Celery grows reliably in zones 2a through 10b, so it's a good fit here.

Can Celery grow in Washington County's climate?

Yes — Celery grows well in Washington County's temperate climate. Washington County averages a 204-day frost-free season, with last frost around April 8 and first frost around October 29.

🌱

Your Washington County Garden Planner — Free

A 22-page printable planner built for Washington County (Zone 7a). 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 Washington County, KY. Local conditions may vary. Last updated: July 2026.

Sources & credits

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