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When to plant Corn in Cecil County, MD

Cecil County gardeners should plant Corn between April 13 and May 4 in spring. With Cecil County's Zone 7b climate (last frost April 6), Corn needs 60–100 days to mature — plant by July 23 for a full harvest.

When to Plant Corn in Cecil County, MD

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.

Cecil County, Maryland is in USDA Zone 7b. The average last spring frost is April 6 and the first fall frost is October 31, giving you a growing season of approximately 208 days.

At an elevation of 1,021 feet, Cecil County receives approximately 45.2 inches of rainfall annually with predominantly silt loam soil. Summer highs average 89°F, providing good warmth for Corn during the growing season.

Cecil County, MD (Zone 7b) Long season
208 days
Last Spring Frost April 6
208 growing days
First Fall Frost October 31

Cecil County Soil Profile

Soil Type

Silt Loam

Soil pH

5.6-6.8

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 Cecil County's 208-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 3.5" 0" ❄️ Dormant
Feb 2.9" 0" ❄️ Dormant
Mar 3.4" 0" ❄️ Dormant
Apr 4.3" 4" 0.3" 💧 Light watering
May 4.3" 3.7" 0.6" 💧 Light watering
Jun 4.3" 4.8" 0" ✅ Rainfall sufficient
Jul 4.3" 4.6" 0" ✅ Rainfall sufficient
Aug 4.3" 4.3" 0" ✅ Rainfall sufficient
Sep 4.3" 4.4" 0" ✅ Rainfall sufficient
Oct 4.3" 3.4" 0.9" 💧 Light watering
Nov 3.2" 0" ❄️ Dormant
Dec 3.1" 0" ❄️ Dormant

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

Corn Planting Timeline — Cecil County, MD

Corn Planting Calendar

Activity When Date Range
Direct Sow April 13 Apr 13 – May 4
Harvest June 15 Jun 15 – Aug 10

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 7b

📆 Growing Season

208 days in Cecil County

Growing Tips for Cecil 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 Cecil County, MD?

Cecil County is in Zone 7b with an average last frost of April 6. Plan your Corn planting based on this frost date — see the calendar above for exact timing.

What planting zone is Cecil County, MD?

Cecil County, Maryland is in USDA Hardiness Zone 7b. The average last spring frost is April 6 and first fall frost is October 31.

When should I plant Corn in Cecil County, MD?

In Cecil County, MD, plant Corn after the last frost (around April 6) and before the first frost (around October 31). Best results when soil holds above 50°F.

What growing zone is Cecil County, MD for Corn?

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

Can Corn grow in Cecil County's climate?

Yes — Corn grows well in Cecil County's temperate climate. Cecil County averages a 208-day frost-free season, with last frost around April 6 and first frost around October 31.

🌱

Your Cecil County Garden Planner — Free

A 22-page printable planner built for Cecil County (Zone 7b). 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 Cecil County, MD. Local conditions may vary. Last updated: July 2026.

Sources & credits

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