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When to plant Corn in Hart County, KY

Hart County sits in USDA Zone 7a. Plant Corn between April 16 (after last frost on April 9) and May 7.

When to Plant Corn in Hart 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.

Hart County, Kentucky is in USDA Zone 7a. The average last spring frost is April 9 and the first fall frost is October 28, giving you a growing season of approximately 202 days.

At an elevation of 3,611 feet, Hart County receives approximately 48.1 inches of rainfall annually with predominantly silt loam soil. Summer highs average 91°F, providing good warmth for Corn during the growing season.

Hart County, KY (Zone 7a) Long season
202 days
Last Spring Frost April 9
202 growing days
First Fall Frost October 28

Hart 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 Hart County's 202-day season, you'll have plenty of time for a full harvest. Plan your garden layout →

Corn Planting Timeline — Hart County, KY

Corn Planting Calendar

Activity When Date Range
Direct Sow April 16 Apr 16 – May 7
Harvest June 18 Jun 18 – Aug 13

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 7a

📆 Growing Season

202 days in Hart County

Growing Tips for Hart 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 Hart County, KY?

Hart County is in Zone 7a with an average last frost of April 9. Plan your Corn planting based on this frost date — see the calendar above for exact timing.

What planting zone is Hart County, KY?

Hart County, Kentucky is in USDA Hardiness Zone 7a. The average last spring frost is April 9 and first fall frost is October 28.

When should I plant Corn in Hart County, KY?

In Hart County, KY, plant Corn after the last frost (around April 9) and before the first frost (around October 28). Best results when soil holds above 50°F.

What growing zone is Hart County, KY for Corn?

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

Can Corn grow in Hart County's climate?

Yes — Corn grows well in Hart County's temperate climate. Hart County averages a 202-day frost-free season, with last frost around April 9 and first frost around October 28.

🌱

Your Hart County Garden Planner — Free

A 22-page printable planner built for Hart 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 Hart 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.