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When to plant Corn in Copiah County, MS

Copiah County gardeners should plant Corn between March 21 and April 11 in spring. With Copiah County's Zone 8b climate (last frost March 14), Corn needs 60–100 days to mature — plant by August 4 for a full harvest.

When to Plant Corn in Copiah County, MS

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.

Copiah County, Mississippi is in USDA Zone 8b. The average last spring frost is March 14 and the first fall frost is November 12, giving you a growing season of approximately 243 days.

At an elevation of 335 feet, Copiah County receives approximately 60.6 inches of rainfall annually with predominantly clay loam soil. Summer highs average 92°F, 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.

Copiah County, MS (Zone 8b) Long season
243 days
Last Spring Frost March 14
243 growing days
First Fall Frost November 12

Copiah County Soil Profile

Soil Type

Clay Loam

Soil pH

5.6-6.2

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 Copiah County's 243-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 5.4" 0" ❄️ Dormant
Feb 4.5" 0" ❄️ Dormant
Mar 4.3" 5.8" 0" ✅ Rainfall sufficient
Apr 4.3" 5.1" 0" ✅ Rainfall sufficient
May 4.3" 4.3" 0" ✅ Rainfall sufficient
Jun 4.3" 5.5" 0" ✅ Rainfall sufficient
Jul 4.3" 5.7" 0" ✅ Rainfall sufficient
Aug 4.3" 5.6" 0" ✅ Rainfall sufficient
Sep 4.3" 5.1" 0" ✅ Rainfall sufficient
Oct 4.3" 4.1" 0.2" 💧 Light watering
Nov 4.3" 4.4" 0" ✅ Rainfall sufficient
Dec 5.2" 0" ❄️ Dormant

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

Corn Planting Timeline — Copiah County, MS

Corn Planting Calendar

Activity When Date Range
Direct Sow March 21 Mar 21 – Apr 11
Harvest May 23 May 23 – Jul 18

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

Month-by-Month Timeline

MonthActivities
January
February
March Direct Sow
April Direct Sow
May Harvest
June Harvest
July Harvest
August
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 8b

📆 Growing Season

243 days in Copiah County

Growing Tips for Copiah 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 Copiah County, MS?

Copiah County is in Zone 8b with an average last frost of March 14. Plan your Corn planting based on this frost date — see the calendar above for exact timing.

What planting zone is Copiah County, MS?

Copiah County, Mississippi is in USDA Hardiness Zone 8b. The average last spring frost is March 14 and first fall frost is November 12.

When should I plant Corn in Copiah County, MS?

In Copiah County, MS, plant Corn after the last frost (around March 14) and before the first frost (around November 12). Best results when soil holds above 50°F.

What growing zone is Copiah County, MS for Corn?

Copiah County sits in USDA Zone 8b. Corn grows reliably in zones 3a through 11b, so it's a good fit here.

Can Corn grow in Copiah County's climate?

Yes — Corn grows well in Copiah County's temperate climate. Copiah County averages a 243-day frost-free season, with last frost around March 14 and first frost around November 12.

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Your Copiah County Garden Planner — Free

A 22-page printable planner built for Copiah County (Zone 8b). 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 Copiah County, MS. Local conditions may vary. Last updated: July 2026.

Sources & credits

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