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When to Plant Potatoes in Izard County, AR

Potatoes are a versatile staple crop that produces tubers underground. They come in hundreds of varieties with varying colors, textures, and maturity dates.

Izard County, Arkansas is in USDA Zone 6b. The average last spring frost is April 1 and the first fall frost is October 27, giving you a growing season of approximately 209 days.

At an elevation of 281 feet, Izard County receives approximately 48.2 inches of rainfall annually with predominantly silt loam soil. Summer highs average 88ยฐF, providing good warmth for Potatoes during the growing season.

Izard County, AR (Zone 6b) Long season
209 days
Last Spring Frost April 1
209 growing days
First Fall Frost October 27

Izard County Soil Profile

Soil Type

Silt Loam

Soil pH

5.3-6.8

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (56 days to spare)
Start indoors: Jan 29 Transplant: Apr 9 🍅 Harvest: Jun 18 – Aug 27
Recommended (50%) ✓ Fits season (55 days to spare)
Start indoors: Feb 4 Transplant: Apr 15 🍅 Harvest: Jun 24 – Sep 2
Safe Start (90%) ✓ Fits season (55 days to spare)
Start indoors: Feb 22 Transplant: May 3 🍅 Harvest: Jul 12 – Sep 20

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
1.0″/week
Rainfall provides
1.0″/week
You supply
0.0″/week
Watering frequency Only during dry spells
Season total 58 gal / 100 sq ft
Potatoes needs ~1,520 GDD — county provides 3,344 GDD Excellent fit

Potatoes Planting Timeline โ€” Izard County, AR

Potatoes Planting Calendar

Activity When Date Range
Start Indoors February 4 Feb 4 โ€“ Feb 18
Transplant Outdoors April 15 Apr 15 โ€“ Apr 29
Direct Sow April 8 Apr 8 โ€“ Apr 29
Harvest June 24 Jun 24 โ€“ Sep 2

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

Month-by-Month Timeline

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

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

70โ€“120 days

Soil pH

5 โ€“ 6.5

USDA Zone

Zone 6b

Growing Season

209 days

Growing Tips for Izard County

Plant seed potatoes (not grocery store potatoes) 4 inches deep in spring. Hill soil around stems as plants grow to prevent greening. Stop watering when plants die back.

Companion Planting

Good Companions

Avoid Planting Near

  • Tomatoes
  • Cucumber
  • Squash Summer

Level Up Your Garden

Frequently Asked Questions

When should I plant Potatoes in Izard County, AR?

Izard County is in Zone 6b with an average last frost of April 1. Plan your Potatoes planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Izard County, AR?

Izard County, Arkansas is in USDA Hardiness Zone 6b. The average last spring frost is April 1 and first fall frost is October 27.

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Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Izard County gardeners in Zone 6b 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 Izard County, AR. Local conditions may vary. Last updated: April 2026.