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When to plant Onion in Bacon County, GA

Plant Onion in Bacon County from February 18 to March 11 in spring. Bacon County sits in USDA Zone 9a, with last frost around March 11 and first frost on November 19. A second sowing from September 24 to October 8 extends the harvest into fall.

When to Plant Onion in Bacon 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.

Bacon County, Georgia is in USDA Zone 9a. The average last spring frost is March 11 and the first fall frost is November 19, giving you a growing season of approximately 253 days.

At an elevation of 165 feet, Bacon County receives approximately 58.4 inches of rainfall annually with predominantly clay loam soil. Summer highs average 96°F, so Onion may need afternoon shade and extra watering during peak heat. 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.

Bacon County, GA (Zone 9a) Long season
253 days
Last Spring Frost March 11
253 growing days
First Fall Frost November 19

Bacon County Soil Profile

Soil Type

Clay Loam

Soil pH

5.7-6.7

Drainage

Well Drained

Monthly Watering Guide for Onion

Onion needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.

Month Onion Needs Rainfall You Supplement Action
Jan 5.3" 0" ❄️ Dormant
Feb 4" 0" ❄️ Dormant
Mar 4.3" 6.1" 0" ✅ Rainfall sufficient
Apr 4.3" 4.2" 0.1" 💧 Light watering
May 4.3" 4.8" 0" ✅ Rainfall sufficient
Jun 4.3" 5.6" 0" ✅ Rainfall sufficient
Jul 4.3" 5.9" 0" ✅ Rainfall sufficient
Aug 4.3" 5.6" 0" ✅ Rainfall sufficient
Sep 4.3" 4.3" 0" ✅ Rainfall sufficient
Oct 4.3" 4.2" 0.1" 💧 Light watering
Nov 4.3" 4.4" 0" ✅ Rainfall sufficient
Dec 3.9" 0" ❄️ Dormant

Water needs are for active growing months only (Mar–Nov in Bacon County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.

Onion Planting Timeline — Bacon County, GA

Onion Planting Calendar

Activity When Date Range
Start Indoors February 11 Feb 11 – Feb 25
Transplant Outdoors March 11 Mar 11 – Mar 25
Direct Sow February 18 Feb 18 – Mar 11
Harvest June 10 Jun 10 – Jul 29
Fall Sowing September 24 Sep 24 – Oct 8

Plant 1" deep · 6" apart · Rows 12" apart

Month-by-Month Timeline

MonthActivities
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

253 days in Bacon County

Growing Tips for Bacon 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

  • Peas
  • Green Beans
  • Asparagus

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Onion in Bacon County, GA?

Bacon County is in Zone 9a with an average last frost of March 11. Plan your Onion planting based on this frost date — see the calendar above for exact timing.

What planting zone is Bacon County, GA?

Bacon County, Georgia is in USDA Hardiness Zone 9a. The average last spring frost is March 11 and first fall frost is November 19.

When should I plant Onion in Bacon County, GA?

In Bacon County, GA, plant Onion after the last frost (around March 11) and before the first frost (around November 19). Best results when soil holds above 50°F.

What growing zone is Bacon County, GA for Onion?

Bacon 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 Bacon County's climate?

Yes — Onion grows well in Bacon County's temperate climate. Bacon County averages a 253-day frost-free season, with last frost around March 11 and first frost around November 19.

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Your Bacon County Garden Planner — Free

A 22-page printable planner built for Bacon 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.

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Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Bacon County, GA. Local conditions may vary. Last updated: July 2026.

Sources & credits

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