When to plant Corn in Baltimore City, MD
Baltimore City's spring Corn window runs April 10 through May 1. most warm-season crops establish quickly once soil holds above 60°F.
When to Plant Corn in Baltimore City, MD
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.
Baltimore City, Maryland is in USDA Zone 8a. The average last spring frost is April 3 and the first fall frost is November 6, giving you a growing season of approximately 217 days.
At an elevation of 213 feet, Baltimore City receives approximately 48.7 inches of rainfall annually with predominantly silt loam soil. Summer highs average 94°F, providing good warmth for Corn during the growing season.
Baltimore City Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
How Much Corn to Grow
For a family of 4, plant approximately 60 corn plants in about 120 sq ft. In Baltimore City's 217-day season, you'll have plenty of time for a full harvest. Plan your garden layout →
Corn Planting Timeline — Baltimore City, MD
Corn Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Direct Sow | April 10 | Apr 10 – May 1 |
| Harvest | June 12 | Jun 12 – Aug 7 |
Plant 1" deep · 12" apart · Rows 36" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| 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 8a
📆 Growing Season
217 days in Baltimore City
Growing Tips for Baltimore City
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
Check more plant combinations with our Companion Planting Checker →
Corn in Other Locations
Frequently Asked Questions
When should I plant Corn in Baltimore City, MD?
Baltimore City is in Zone 8a with an average last frost of April 3. Plan your Corn planting based on this frost date — see the calendar above for exact timing.
What planting zone is Baltimore City, MD?
Baltimore City, Maryland is in USDA Hardiness Zone 8a. The average last spring frost is April 3 and first fall frost is November 6.
When should I plant Corn in Baltimore City, MD?
In Baltimore City, MD, plant Corn after the last frost (around April 3) and before the first frost (around November 6). Best results when soil holds above 50°F.
What growing zone is Baltimore City, MD for Corn?
Baltimore City sits in USDA Zone 8a. Corn grows reliably in zones 3a through 11b, so it's a good fit here.
Can Corn grow in Baltimore City's climate?
Yes — Corn grows well in Baltimore City's temperate climate. Baltimore City averages a 217-day frost-free season, with last frost around April 3 and first frost around November 6.
Your Baltimore City Garden Planner — Free
A 22-page printable planner built for Baltimore City (Zone 8a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.