When to Plant Corn in USDA Zone 11b
Top priorities for Zone 11b gardeners in April
Your Zone 11b garden is entering a new phase. Here's what's on the schedule for April and why each task matters now.
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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 11b, the average last spring frost is around January 1 and the first fall frost is around December 31, giving you a growing season of approximately 364 days.
Corn Planting Timeline — Zone 11b
Where Is USDA Zone 11b?
The map below highlights the states that contain Zone 11b. Click any state to see the Corn planting schedule for that location.
Corn Planting Calendar — Zone 11b
| Activity | When | Date Range |
|---|---|---|
| Direct Sow | January 8 | Jan 8 – Jan 29 |
| Harvest | March 12 | Mar 12 – May 7 |
Plant 1" deep · 12" apart · Rows 36" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | Direct Sow |
| February | — |
| March | Harvest |
| April | Harvest |
| May | Harvest |
| June | — |
| July | — |
| August | — |
| September | — |
| October | — |
| November | — |
| December | — |
Free Zone 11b Planting Calendar PDF
Know exactly when to plant every crop in your zone. Get a printable month-by-month calendar customized for Zone 11b with start dates, transplant windows, and harvest times.
Growing Conditions
Sun
Full Sun (6-8+ hours)
💧 Water
1.5"/week · Moderate — regular watering
Days to Maturity
60–100 days
Soil pH
6 – 7
Zone Temperature Range
°F to °F average annual minimum
Growing Season
364 days (Zone average)
Planting Specifications
| Planting Depth | 1 inches |
| Plant Spacing | 12 inches apart |
| Row Spacing | 36 inches between rows |
Succession Planting Corn in Zone
Sow every 6.9 weeks for continuous harvest throughout the season.
Growing Tips for Corn in Zone
Zone has a short growing season (~364 days). Start Corn indoors early and use season-extension techniques like row covers and cold frames.
Corn needs approximately 1.5 inches of water per week during active growth. Adjust watering based on your local rainfall and soil drainage.
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
The Gardener's Encyclopedia to Companion Planting
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Saving Corn Seeds
Recommended for Your Garden
Start seeds indoors with reusable cell trays and humidity domes.
Test your soil pH, nitrogen, phosphorus, and potassium levels before planting.
Keep your garden organized with durable, weather-resistant plant labels.
Related Plants
Corn in Other Zones
Corn by State
- Alabama
- Alaska
- Arizona
- Arkansas
- California
- Colorado
- Connecticut
- Delaware
- Florida
- Georgia
- Hawaii
- Idaho
- Illinois
- Indiana
- Iowa
- Kansas
- Kentucky
- Louisiana
- Maine
- Maryland
- Massachusetts
- Michigan
- Minnesota
- Mississippi
- Missouri
- Montana
- Nebraska
- Nevada
- New Hampshire
- New Jersey
- New Mexico
- New York
- North Carolina
- North Dakota
- Ohio
- Oklahoma
- Oregon
- Pennsylvania
- Rhode Island
- South Carolina
- South Dakota
- Tennessee
- Texas
- Utah
- Vermont
- Virginia
- Washington
- West Virginia
- Wisconsin
- Wyoming
Frequently Asked Questions
When should I plant Corn in Zone 11b?
In Zone 11b, plan your Corn planting around the average last frost date of January 1. Direct sow outdoors around January 8.
Can Corn grow in Zone 11b?
Yes, Corn can grow well in Zone 11b, hardy in USDA zones 3a through 11b. Zone 11b has a growing season of approximately 364 days, which is sufficient for Corn (60-100 days to maturity).
When can I harvest Corn in Zone 11b?
In Zone 11b, expect to harvest Corn from March 12 – May 7. Corn takes 60-100 days from planting to harvest.
What is the last frost date for Zone 11b?
The average last spring frost in Zone 11b is around January 1, and the first fall frost is around December 31. This gives a growing season of approximately 364 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.
Your Free Printable Garden Planner
A 24-page printable planner tailored to your zone. Planting dates, monthly task lists, harvest log, seed inventory, and succession charts — everything you need to plan a full season.