When to Plant Sweet Corn in Spalding County, GA
Sweet corn is bred for high sugar content in its kernels, which convert to starch rapidly after harvest. Modern supersweet varieties hold their sweetness longer.
Spalding County, Georgia is in USDA Zone 7b. The average last spring frost is April 1 and the first fall frost is November 3, giving you a growing season of approximately 216 days.
At an elevation of 468 feet, Spalding County receives approximately 51.5 inches of rainfall annually with predominantly clay loam soil. Summer highs average 92°F, providing good warmth for Sweet Corn during the growing season. Clay soil retains moisture well for Sweet Corn, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Sweet Corn root diseases.
Spalding County Soil Profile
Soil Type
Clay Loam
Soil pH
5.5-6.6
Drainage
Well Drained
Plant Planting Risk Windows
Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.
Plant Water Budget
Sweet Corn Planting Timeline — Spalding County, GA
Sweet Corn Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Direct Sow | April 8 | Apr 8 – Apr 29 |
| Harvest | June 10 | Jun 10 – Jul 22 |
Plant 1" deep · 12" apart · Rows 36" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | Direct Sow |
| May | — |
| June | Harvest |
| July | Harvest |
| August | — |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
Sun
Full Sun (6-8+ hours)
Water
Moderate — regular watering
Days to Maturity
60–90 days
Soil pH
6 – 7
USDA Zone
Zone 7b
Growing Season
216 days
Growing Tips for Spalding County
Plant in blocks of at least 4 rows for wind pollination. Direct sow after soil is warm. Isolate supersweet varieties from other corn types to prevent cross-pollination.
Companion Planting
Good Companions
Avoid Planting Near
Level Up Your Garden
Sweet Corn in Other Locations
Frequently Asked Questions
When should I plant Sweet Corn in Spalding County, GA?
Spalding County is in Zone 7b with an average last frost of April 1. Plan your Sweet Corn planting based on this frost date — see the calendar above for exact timing.
What planting zone is Spalding County, GA?
Spalding County, Georgia is in USDA Hardiness Zone 7b. The average last spring frost is April 1 and first fall frost is November 3.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Spalding County gardeners in Zone 7b organize planting dates, track what's growing, and never miss a planting window.
Get Your Free Garden Planner →Free download. Plan your entire garden season in minutes.