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When to plant Potatoes in Menard County County,

Menard County County gardeners should plant Potatoes between April 22 and May 13 in spring. With Menard County County's Zone 6a climate (last frost April 15), Potatoes needs 120 days to mature — plant by June 21 for a full harvest.

When to Plant Potatoes in Menard County, IL

Potatoes

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

Menard County, Illinois is in USDA Zone 6a. The average last spring frost is April 15 and the first fall frost is October 19, giving you a growing season of approximately 187 days.

At an elevation of 934 feet, Menard County receives approximately 37 inches of rainfall annually with predominantly silt loam soil. Summer highs average 84°F, so choose short-season varieties of Potatoes to ensure they mature before fall.

Menard County, IL (Zone 6a) Moderate season
187 days
Last Spring Frost April 15
187 growing days
First Fall Frost October 19

Menard 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 Menard County's 187-day season, you'll have plenty of time for a full harvest. Plan your garden layout →

Potatoes Planting Timeline — Menard County, IL

Potatoes Planting Calendar

Activity When Date Range
Start Indoors February 18 Feb 18 – Mar 4
Transplant Outdoors April 29 Apr 29 – May 13
Direct Sow April 22 Apr 22 – May 13
Harvest July 8 Jul 8 – Sep 16

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

Month-by-Month Timeline

MonthActivities
January
February Start Indoors
March Start Indoors
April Transplant Outdoors 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

187 days in Menard County

Growing Tips for Menard 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 Menard County, IL?

Menard County is in Zone 6a with an average last frost of April 15. Plan your Potatoes planting based on this frost date — see the calendar above for exact timing.

What planting zone is Menard County, IL?

Menard County, Illinois is in USDA Hardiness Zone 6a. The average last spring frost is April 15 and first fall frost is October 19.

When should I plant Potatoes in Menard County County, ?

In Menard County County, , plant Potatoes after the last frost (around April 15) and before the first frost (around October 19). Best results when soil holds above 50°F.

What growing zone is Menard County County, for Potatoes?

Menard County 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 Menard County County's climate?

Yes — Potatoes grows well in Menard County County's temperate climate. Menard County County averages a 187-day frost-free season, with last frost around April 15 and first frost around October 19.

🌱

Your Menard County Garden Planner — Free

A 22-page printable planner built for Menard 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 Menard County, IL. Local conditions may vary. Last updated: June 2026.

Sources & credits

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