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When to plant Sweet Corn in Barber County, KS

For Barber County, gardeners: plant Sweet Corn April 22 through May 13 once soil reads 50°F.

When to Plant Sweet Corn in Barber County, KS

Sweet corn is bred for high sugar content in its kernels, which convert to starch rapidly after harvest. Modern supersweet varieties hold their sweetness longer.

Barber County, Kansas is in USDA Zone 7a. The average last spring frost is April 15 and the first fall frost is October 24, giving you a growing season of approximately 192 days.

At an elevation of 964 feet, Barber County receives approximately 20.6 inches of rainfall annually with predominantly loam soil. Summer highs average 90°F, providing good warmth for Sweet Corn during the growing season.

Barber County, KS (Zone 7a) Moderate season
192 days
Last Spring Frost April 15
192 growing days
First Fall Frost October 24

Barber County Soil Profile

Soil Type

Loam

Soil pH

6.6-7.1

Drainage

Well Drained

Monthly Watering Guide for Sweet Corn

Sweet 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 Sweet Corn Needs Rainfall You Supplement Action
Jan 0.5" 0" ❄️ Dormant
Feb 0.6" 0" ❄️ Dormant
Mar 1.4" 0" ❄️ Dormant
Apr 4.3" 2.1" 2.2" 🚿 Regular watering
May 4.3" 3.4" 0.9" 💧 Light watering
Jun 4.3" 3.2" 1.1" 💧 Light watering
Jul 4.3" 2.4" 1.9" 💧 Light watering
Aug 4.3" 2.5" 1.8" 💧 Light watering
Sep 4.3" 2.1" 2.2" 🚿 Regular watering
Oct 4.3" 1.3" 3" 🚿 Regular watering
Nov 0.6" 0" ❄️ Dormant
Dec 0.5" 0" ❄️ Dormant

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

Sweet Corn Planting Timeline — Barber County, KS

Sweet Corn Planting Calendar

Activity When Date Range
Direct Sow April 22 Apr 22 – May 13
Harvest June 24 Jun 24 – Aug 5

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

60–90 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 7a

📆 Growing Season

192 days in Barber County

Growing Tips for Barber County

Plant in blocks of at least 4 rows for wind pollination. Direct sow after soil is warm. Isolate supersweet varieties from other corn types to prevent cross-pollination.

Companion Planting

Good Companions

Avoid Planting Near

  • Tomatoes

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Sweet Corn in Barber County, KS?

Barber County is in Zone 7a with an average last frost of April 15. Plan your Sweet Corn planting based on this frost date — see the calendar above for exact timing.

What planting zone is Barber County, KS?

Barber County, Kansas is in USDA Hardiness Zone 7a. The average last spring frost is April 15 and first fall frost is October 24.

When should I plant Sweet Corn in Barber County, KS?

In Barber County, KS, plant Sweet Corn after the last frost (around April 15) and before the first frost (around October 24). Best results when soil holds above 50°F.

What growing zone is Barber County, KS for Sweet Corn?

Barber County sits in USDA Zone 7a. Sweet Corn grows reliably in zones 3a through 11b, so it's a good fit here.

Can Sweet Corn grow in Barber County's climate?

Yes — Sweet Corn grows well in Barber County's temperate climate. Barber County averages a 192-day frost-free season, with last frost around April 15 and first frost around October 24.

🌱

Your Barber County Garden Planner — Free

A 22-page printable planner built for Barber County (Zone 7a). 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 Barber County, KS. Local conditions may vary. Last updated: June 2026.

Sources & credits

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