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When to Plant Corn in USDA Zone 7a

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.

In Zone 7a, the average last spring frost is around March 25 and the first fall frost is around November 1, giving you a growing season of approximately 221 days.

Zone 7a Long season
221 days
Last Spring Frost March 25
221 growing days
First Fall Frost November 1

Corn Planting Timeline — Zone 7a

Where Is USDA Zone 7a?

The map below highlights the states that contain Zone 7a. Click any state to see the Corn planting schedule for that location.

Prints a clean, ink-friendly version without maps or navigation.

Corn Planting Calendar — Zone 7a

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

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

Month-by-Month Timeline

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

Free Zone 7a Planting Calendar PDF

Know exactly when to plant every crop in your zone. Get a printable month-by-month calendar customized for Zone 7a with start dates, transplant windows, and harvest times.

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Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate — regular watering

Days to Maturity

60–100 days

Soil pH

6 – 7

Zone Temperature Range

0°F to 5°F average annual minimum

Growing Season

221 days (Zone 7a average)

Planting Specifications

Planting Depth1 inches
Plant Spacing12 inches apart
Row Spacing36 inches between rows

Growing Tips for Zone 7a

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

Saving Corn Seeds

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Seed Starting Trays $8-20

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Soil Test Kit $12-25

Test your soil pH, nitrogen, phosphorus, and potassium levels before planting.

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Garden Plant Markers $6-12

Keep your garden organized with durable, weather-resistant plant labels.

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Frequently Asked Questions

When should I plant Corn in Zone 7a?

In Zone 7a, plan your Corn planting around the average last frost date of March 25. Direct sow outdoors around April 1.

Can Corn grow in Zone 7a?

Yes, Corn can grow well in Zone 7a, hardy in USDA zones 3a through 11b. Zone 7a has a growing season of approximately 221 days, which is sufficient for Corn (60-100 days to maturity).

When can I harvest Corn in Zone 7a?

In Zone 7a, expect to harvest Corn from June 3 – July 29. Corn takes 60-100 days from planting to harvest.

What is the last frost date for Zone 7a?

The average last spring frost in Zone 7a is around March 25, and the first fall frost is around November 1. This gives a growing season of approximately 221 days. These are 50% probability dates — actual frost dates vary year to year.

What should I plant next to Corn?

Good companion plants for Corn include Squash Summer, Green Beans, Peas, Cucumber. These companions can help with pest control, pollination, and nutrient sharing.

🌱

Plan Your Garden with Confidence

Get our free Garden Planner — organize your planting dates for Zone 7a, track your crops, and plan your garden season from seed to harvest.

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Free download. Plan your entire garden season in minutes.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals, University Cooperative Extension planting guides. Planting dates are estimates based on average frost dates — local conditions may vary. Last updated: April 2026.