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When to plant Corn in Rowan County, KY

In Zone 6b (Rowan County), direct-sow Corn between April 23 and May 14 for spring, after the April 16 last-frost mark.

When to Plant Corn in Rowan County, KY

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.

Rowan County, Kentucky is in USDA Zone 6b. The average last spring frost is April 16 and the first fall frost is October 24, giving you a growing season of approximately 191 days.

At an elevation of 2,014 feet, Rowan County receives approximately 49 inches of rainfall annually with predominantly silt loam soil. Summer highs average 86°F, providing good warmth for Corn during the growing season.

Rowan County, KY (Zone 6b) Moderate season
191 days
Last Spring Frost April 16
191 growing days
First Fall Frost October 24

Rowan County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

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 Rowan County's 191-day season, you'll have plenty of time for a full harvest. Plan your garden layout →

Corn Planting Timeline — Rowan County, KY

Corn Planting Calendar

Activity When Date Range
Direct Sow April 23 Apr 23 – May 14
Harvest June 25 Jun 25 – Aug 20

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 6b

📆 Growing Season

191 days in Rowan County

Growing Tips for Rowan 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 Rowan County, KY?

Rowan County is in Zone 6b with an average last frost of April 16. Plan your Corn planting based on this frost date — see the calendar above for exact timing.

What planting zone is Rowan County, KY?

Rowan County, Kentucky is in USDA Hardiness Zone 6b. The average last spring frost is April 16 and first fall frost is October 24.

When should I plant Corn in Rowan County, KY?

In Rowan County, KY, plant Corn after the last frost (around April 16) and before the first frost (around October 24). Best results when soil holds above 50°F.

What growing zone is Rowan County, KY for Corn?

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

Can Corn grow in Rowan County's climate?

Yes — Corn grows well in Rowan County's temperate climate. Rowan County averages a 191-day frost-free season, with last frost around April 16 and first frost around October 24.

🌱

Your Rowan County Garden Planner — Free

A 22-page printable planner built for Rowan County (Zone 6b). 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 Rowan County, KY. Local conditions may vary. Last updated: July 2026.

Sources & credits

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