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When to Plant Corn in Chickasaw County, MS

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.

Chickasaw County, Mississippi is in USDA Zone 7b. The average last spring frost is March 25 and the first fall frost is November 3, giving you a growing season of approximately 223 days.

At an elevation of 79 feet, Chickasaw County receives approximately 58.3 inches of rainfall annually with predominantly clay loam soil. Summer highs average 91ยฐF, providing good warmth for Corn during the growing season. Clay soil retains moisture well for Corn, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Corn root diseases.

Chickasaw County, MS (Zone 7b) Long season
223 days
Last Spring Frost March 25
223 growing days
First Fall Frost November 3

Chickasaw County Soil Profile

Soil Type

Clay Loam

Soil pH

5.7-6.7

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (107 days to spare)
Transplant: Mar 16 🍅 Harvest: May 18 – Jul 13
Recommended (50%) ✓ Fits season (104 days to spare)
Transplant: Mar 25 🍅 Harvest: May 27 – Jul 22
Safe Start (90%) ✓ Fits season (104 days to spare)
Transplant: Apr 15 🍅 Harvest: Jun 17 – Aug 12

Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.

Plant Water Budget

Plant needs
1.0″/week
Rainfall provides
1.1″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Corn needs ~1,460 GDD — county provides 4,069 GDD Excellent fit

Corn Planting Timeline โ€” Chickasaw County, MS

Corn Planting Calendar

Activity When Date Range
Direct Sow April 1 Apr 1 โ€“ Apr 22
Harvest June 3 Jun 3 โ€“ Jul 29

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

Month-by-Month Timeline

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

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

60โ€“100 days

Soil pH

6 โ€“ 7

USDA Zone

Zone 7b

Growing Season

223 days

Growing Tips for Chickasaw 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

Level Up Your Garden

Frequently Asked Questions

When should I plant Corn in Chickasaw County, MS?

Chickasaw County is in Zone 7b with an average last frost of March 25. Plan your Corn planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Chickasaw County, MS?

Chickasaw County, Mississippi is in USDA Hardiness Zone 7b. The average last spring frost is March 25 and first fall frost is November 3.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Chickasaw County gardeners in Zone 7b organize planting dates, track what's growing, and never miss a planting window.

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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 Chickasaw County, MS. Local conditions may vary. Last updated: April 2026.