When to plant Corn in Frederick County, MD
In Frederick County, plant Corn in spring between April 23 and May 14, once soil temps hold above 50°F. Frederick County's last frost averages April 16, so most warm-season crops establish quickly once soil holds above 60°F. For a fall crop, sow between and — roughly 60–100 days before the first frost on October 23.
When to Plant Corn in Frederick County, 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.
Frederick County, Maryland is in USDA Zone 7a. The average last spring frost is April 16 and the first fall frost is October 23, giving you a growing season of approximately 190 days.
At an elevation of 756 feet, Frederick County receives approximately 49.6 inches of rainfall annually with predominantly silt loam soil. Summer highs average 89°F, providing good warmth for Corn during the growing season.
Frederick County 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 Frederick County's 190-day season, you'll have plenty of time for a full harvest. Plan your garden layout →
Corn Planting Timeline — Frederick County, MD
Corn Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Direct Sow | April 23 | Apr 23 – May 14 |
| Harvest | June 25 | Jun 25 – Aug 20 |
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 7a
📆 Growing Season
190 days in Frederick County
Growing Tips for Frederick 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
Check more plant combinations with our Companion Planting Checker →
Corn in Other Locations
Frequently Asked Questions
When should I plant Corn in Frederick County, MD?
Frederick County is in Zone 7a with an average last frost of April 16. Plan your Corn planting based on this frost date — see the calendar above for exact timing.
What planting zone is Frederick County, MD?
Frederick County, Maryland is in USDA Hardiness Zone 7a. The average last spring frost is April 16 and first fall frost is October 23.
When should I plant Corn in Frederick County, MD?
In Frederick County, MD, plant Corn after the last frost (around April 16) and before the first frost (around October 23). Best results when soil holds above 50°F.
What growing zone is Frederick County, MD for Corn?
Frederick County sits in USDA Zone 7a. Corn grows reliably in zones 3a through 11b, so it's a good fit here.
Can Corn grow in Frederick County's climate?
Yes — Corn grows well in Frederick County's temperate climate. Frederick County averages a 190-day frost-free season, with last frost around April 16 and first frost around October 23.
Your Frederick County Garden Planner — Free
A 22-page printable planner built for Frederick County (Zone 7a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.