When to Plant Onion in Baldwin County, GA
Onions are a fundamental kitchen staple available in yellow, white, and red varieties. Choose long-day, short-day, or intermediate types based on your latitude.
Baldwin County, Georgia is in USDA Zone 7b. The average last spring frost is March 23 and the first fall frost is November 8, giving you a growing season of approximately 230 days.
At an elevation of 421 feet, Baldwin County receives approximately 59 inches of rainfall annually with predominantly clay loam soil. Summer highs average 91°F, providing good warmth for Onion during the growing season. Clay soil retains moisture well for Onion, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Onion root diseases.
Baldwin County Soil Profile
Soil Type
Clay Loam
Soil pH
5.4-6.6
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
Onion Planting Timeline — Baldwin County, GA
Onion Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | February 16 | Feb 16 – Mar 2 |
| Transplant Outdoors | March 23 | Mar 23 – Apr 6 |
| Direct Sow | March 9 | Mar 9 – Mar 30 |
| Fall Sowing | August 30 | Aug 30 – Sep 13 |
| Harvest | June 22 | Jun 22 – Aug 10 |
Plant 1" deep · 6" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | Start Indoors |
| March | Start Indoors Transplant Outdoors Direct Sow |
| April | Transplant Outdoors |
| May | — |
| June | Harvest |
| July | Harvest |
| August | Fall Sowing Harvest |
| September | Fall Sowing |
| October | — |
| November | — |
| December | — |
Growing Conditions
Sun
Full Sun (6-8+ hours)
Water
Moderate — regular watering
Days to Maturity
90–120 days
Soil pH
6 – 7
USDA Zone
Zone 7b
Growing Season
230 days
Growing Tips for Baldwin County
Start seeds indoors 8-10 weeks before transplanting. Match day-length type to your latitude. Stop watering when tops begin to fall over and cure bulbs for 2-3 weeks before storage.
Companion Planting
Good Companions
Avoid Planting Near
Level Up Your Garden
Onion in Other Locations
Frequently Asked Questions
When should I plant Onion in Baldwin County, GA?
Baldwin County is in Zone 7b with an average last frost of March 23. Plan your Onion planting based on this frost date — see the calendar above for exact timing.
What planting zone is Baldwin County, GA?
Baldwin County, Georgia is in USDA Hardiness Zone 7b. The average last spring frost is March 23 and first fall frost is November 8.
Plan Your Garden with Confidence
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