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When to Plant Celery in Polk County, AR

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.

Polk County, Arkansas is in USDA Zone 7a. The average last spring frost is April 2 and the first fall frost is November 3, giving you a growing season of approximately 215 days.

At an elevation of 1,323 feet, Polk County receives approximately 54.3 inches of rainfall annually with predominantly silt loam soil. Summer highs average 91ยฐF, providing good warmth for Celery during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Celery root diseases.

Polk County, AR (Zone 7a) Long season
215 days
Last Spring Frost April 2
215 growing days
First Fall Frost November 3

Polk County Soil Profile

Soil Type

Silt Loam

Soil pH

5.4-6.6

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (81 days to spare)
Start indoors: Feb 14 Transplant: Mar 21 🍅 Harvest: Jun 13 – Aug 8
Recommended (50%) ✓ Fits season (75 days to spare)
Start indoors: Feb 26 Transplant: Apr 2 🍅 Harvest: Jun 25 – Aug 20
Safe Start (90%) ✓ Fits season (84 days to spare)
Start indoors: Mar 11 Transplant: Apr 15 🍅 Harvest: Jul 8 – Sep 2

Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.

Plant Water Budget

Plant needs
1.5″/week
Rainfall provides
1.1″/week
You supply
0.4″/week
Watering frequency 1-2 times/week
Season total 841 gal / 100 sq ft
Celery needs ~1,825 GDD — county provides 3,923 GDD Excellent fit

Celery Planting Timeline โ€” Polk County, AR

Celery Planting Calendar

Activity When Date Range
Start Indoors February 26 Feb 26 โ€“ Mar 12
Transplant Outdoors April 2 Apr 2 โ€“ Apr 16
Direct Sow March 19 Mar 19 โ€“ Apr 9
Fall Sowing August 25 Aug 25 โ€“ Sep 8
Harvest June 25 Jun 25 โ€“ Aug 20

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

Month-by-Month Timeline

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

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

High โ€” keep soil consistently moist

Days to Maturity

80โ€“120 days

Soil pH

6 โ€“ 7

USDA Zone

Zone 7a

Growing Season

215 days

Growing Tips for Polk 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

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Frequently Asked Questions

When should I plant Celery in Polk County, AR?

Polk County is in Zone 7a with an average last frost of April 2. Plan your Celery planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Polk County, AR?

Polk County, Arkansas is in USDA Hardiness Zone 7a. The average last spring frost is April 2 and first fall frost is November 3.

๐ŸŒฑ

Plan Your Garden with Confidence

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

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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 Polk County, AR. Local conditions may vary. Last updated: April 2026.