When to plant Onion in Bryan County, GA
In Zone 9a (Bryan County), direct-sow Onion between February 9 and March 2 for spring, after the March 2 last-frost mark. A second sowing from September 29 to October 13 extends the harvest into fall.
When to Plant Onion in Bryan 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.
Bryan County, Georgia is in USDA Zone 9a. The average last spring frost is March 2 and the first fall frost is November 24, giving you a growing season of approximately 267 days.
At an elevation of 193 feet, Bryan County receives approximately 54 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 92°F, providing good warmth for Onion during the growing season. Sandy soil warms quickly in spring — great for early planting — but Onion will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Onion root diseases.
Bryan County Soil Profile
Soil Type
Sandy Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Onion Planting Timeline — Bryan County, GA
Onion Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | February 2 | Feb 2 – Feb 16 |
| Transplant Outdoors | March 2 | Mar 2 – Mar 16 |
| Direct Sow | February 9 | Feb 9 – Mar 2 |
| Harvest | June 1 | Jun 1 – Jul 20 |
| Fall Sowing | September 29 | Sep 29 – Oct 13 |
Plant 1" deep · 6" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | Start Indoors Direct Sow |
| March | Transplant Outdoors Direct Sow |
| April | — |
| May | — |
| June | Harvest |
| July | Harvest |
| August | — |
| September | Fall Sowing |
| October | Fall Sowing |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
Moderate — regular watering
📅 Days to Maturity
90–120 days
🧪 Soil pH
Needs 6–7 · Your soil: N/A
🗺️ USDA Zone
Zone 9a
📆 Growing Season
267 days in Bryan County
Growing Tips for Bryan 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
Check more plant combinations with our Companion Planting Checker →
Onion in Other Locations
Frequently Asked Questions
When should I plant Onion in Bryan County, GA?
Bryan County is in Zone 9a with an average last frost of March 2. Plan your Onion planting based on this frost date — see the calendar above for exact timing.
What planting zone is Bryan County, GA?
Bryan County, Georgia is in USDA Hardiness Zone 9a. The average last spring frost is March 2 and first fall frost is November 24.
When should I plant Onion in Bryan County, GA?
In Bryan County, GA, plant Onion after the last frost (around March 2) and before the first frost (around November 24). Best results when soil holds above 50°F.
What growing zone is Bryan County, GA for Onion?
Bryan County sits in USDA Zone 9a. Onion grows reliably in zones 3a through 10b, so it's a good fit here.
Can Onion grow in Bryan County's climate?
Yes — Onion grows well in Bryan County's temperate climate. Bryan County averages a 267-day frost-free season, with last frost around March 2 and first frost around November 24.
Your Bryan County Garden Planner — Free
A 22-page printable planner built for Bryan County (Zone 9a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.