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When to plant Corn in Pottawatomie County, KS

Pottawatomie County gardeners should plant Corn between April 22 and May 13 in spring. With Pottawatomie County's Zone 6a climate (last frost April 15), Corn needs 60–100 days to mature — plant by July 12 for a full harvest.

When to Plant Corn in Pottawatomie County, KS

Corn

Corn is a warm-season grass grown for its sweet ears, which are best eaten soon after harvest. It is wind-pollinated and must be planted in blocks for good kernel fill.

Pottawatomie County, Kansas is in USDA Zone 6a. The average last spring frost is April 15 and the first fall frost is October 20, giving you a growing season of approximately 188 days.

At an elevation of 625 feet, Pottawatomie County receives approximately 30.6 inches of rainfall annually with predominantly loam soil. Summer highs average 86°F, providing good warmth for Corn during the growing season.

Pottawatomie County, KS (Zone 6a) Moderate season
188 days
Last Spring Frost April 15
188 growing days
First Fall Frost October 20

Pottawatomie County Soil Profile

Soil Type

Loam

Soil pH

6.7-7.6

Drainage

Well Drained

How Much Corn to Grow

1-2 ears
Average yield per plant
15
Plants per person
30 sq ft
Space per person

For a family of 4, plant approximately 60 corn plants in about 120 sq ft. In Pottawatomie County's 188-day season, you'll have plenty of time for a full harvest. Plan your garden layout →

Monthly Watering Guide for Corn

Corn needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.

Month Corn Needs Rainfall You Supplement Action
Jan 0.8" 0" ❄️ Dormant
Feb 1.1" 0" ❄️ Dormant
Mar 2.1" 0" ❄️ Dormant
Apr 4.3" 3.4" 0.9" 💧 Light watering
May 4.3" 4" 0.3" 💧 Light watering
Jun 4.3" 5" 0" ✅ Rainfall sufficient
Jul 4.3" 3.9" 0.4" 💧 Light watering
Aug 4.3" 3.8" 0.5" 💧 Light watering
Sep 4.3" 2.7" 1.6" 💧 Light watering
Oct 4.3" 2" 2.3" 🚿 Regular watering
Nov 1.1" 0" ❄️ Dormant
Dec 0.7" 0" ❄️ Dormant

Water needs are for active growing months only (Apr–Oct in Pottawatomie County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.

Corn Planting Timeline — Pottawatomie County, KS

Corn Planting Calendar

Activity When Date Range
Direct Sow April 22 Apr 22 – May 13
Harvest June 24 Jun 24 – Aug 19

Plant 1" deep · 12" apart · Rows 36" apart

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

60–100 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 6a

📆 Growing Season

188 days in Pottawatomie County

Growing Tips for Pottawatomie County

Plant in blocks of at least 4 rows rather than single rows for proper pollination. Direct sow after soil reaches 60F. Side-dress with nitrogen when plants are knee-high.

Companion Planting

Good Companions

Avoid Planting Near

  • Tomatoes
  • Celery

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Corn in Pottawatomie County, KS?

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

What planting zone is Pottawatomie County, KS?

Pottawatomie County, Kansas is in USDA Hardiness Zone 6a. The average last spring frost is April 15 and first fall frost is October 20.

When should I plant Corn in Pottawatomie County, KS?

In Pottawatomie County, KS, plant Corn after the last frost (around April 15) and before the first frost (around October 20). Best results when soil holds above 50°F.

What growing zone is Pottawatomie County, KS for Corn?

Pottawatomie County sits in USDA Zone 6a. Corn grows reliably in zones 3a through 11b, so it's a good fit here.

Can Corn grow in Pottawatomie County's climate?

Yes — Corn grows well in Pottawatomie County's temperate climate. Pottawatomie County averages a 188-day frost-free season, with last frost around April 15 and first frost around October 20.

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Your Pottawatomie County Garden Planner — Free

A 22-page printable planner built for Pottawatomie 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 Pottawatomie County, KS. 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.