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When to plant Potatoes in Warren County, IN

Potatoes planted in Warren County between April 26 and May 17 matures in 70–120 days — well before the October 14 first frost.

When to Plant Potatoes in Warren County, IN

Potatoes

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

Warren County, Indiana is in USDA Zone 6a. The average last spring frost is April 19 and the first fall frost is October 14, giving you a growing season of approximately 178 days.

At an elevation of 764 feet, Warren County receives approximately 40.9 inches of rainfall annually with predominantly silt loam soil. Summer highs average 86°F, providing good warmth for Potatoes during the growing season.

Warren County, IN (Zone 6a) Moderate season
178 days
Last Spring Frost April 19
178 growing days
First Fall Frost October 14

Warren County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

How Much Potatoes to Grow

3-5 lbs
Average yield per plant
5
Plants per person
10 sq ft
Space per person

For a family of 4, plant approximately 20 potatoes plants in about 40 sq ft. In Warren County's 178-day season, you'll have plenty of time for a full harvest. Plan your garden layout →

Potatoes Planting Timeline — Warren County, IN

Potatoes Planting Calendar

Activity When Date Range
Start Indoors February 22 Feb 22 – Mar 8
Transplant Outdoors May 3 May 3 – May 17
Direct Sow April 26 Apr 26 – May 17
Harvest July 12 Jul 12 – Sep 20

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

70–120 days

🧪 Soil pH

Needs 5–6.5 · Your soil: N/A

🗺️ USDA Zone

Zone 6a

📆 Growing Season

178 days in Warren County

Growing Tips for Warren 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

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Potatoes in Warren County, IN?

Warren County is in Zone 6a with an average last frost of April 19. Plan your Potatoes planting based on this frost date — see the calendar above for exact timing.

What planting zone is Warren County, IN?

Warren County, Indiana is in USDA Hardiness Zone 6a. The average last spring frost is April 19 and first fall frost is October 14.

When should I plant Potatoes in Warren County, IN?

In Warren County, IN, plant Potatoes after the last frost (around April 19) and before the first frost (around October 14). Best results when soil holds above 50°F.

What growing zone is Warren County, IN for Potatoes?

Warren County sits in USDA Zone 6a. Potatoes grows reliably in zones 3a through 10b, so it's a good fit here.

Can Potatoes grow in Warren County's climate?

Yes — Potatoes grows well in Warren County's temperate climate. Warren County averages a 178-day frost-free season, with last frost around April 19 and first frost around October 14.

🌱

Your Warren County Garden Planner — Free

A 22-page printable planner built for Warren 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.

Instant PDF download. No spam, unsubscribe any time.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Warren County, IN. Local conditions may vary. Last updated: June 2026.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.