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When to plant Leeks in Glynn County, GA

Glynn County's climate puts the Leeks spring window between January 19 and February 9. aim for a steady week of warm soil before planting. A second sowing from October 18 to November 1 extends the harvest into fall.

When to Plant Leeks in Glynn County, GA

Leeks

Leeks are a mild, sweet allium that produces long white shanks. They are more refined than onions and are a key ingredient in soups, stews, and gratins.

Glynn County, Georgia is in USDA Zone 9a. The average last spring frost is February 9 and the first fall frost is December 13, giving you a growing season of approximately 307 days.

At an elevation of 135 feet, Glynn County receives approximately 55.3 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 97°F, so Leeks may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring — great for early planting — but Leeks will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Leeks root diseases.

Glynn County, GA (Zone 9a) Year-round
307 days
Last Spring Frost February 9
307 growing days
First Fall Frost December 13

Glynn County Soil Profile

Soil Type

Sandy Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Leeks Planting Timeline — Glynn County, GA

Leeks Planting Calendar

Activity When Date Range
Start Indoors January 12 Jan 12 – Jan 26
Transplant Outdoors February 9 Feb 9 – Feb 23
Direct Sow January 19 Jan 19 – Feb 9
Harvest May 11 May 11 – Jul 27
Fall Sowing October 18 Oct 18 – Nov 1

Plant 1" deep · 15" apart · Rows 24" apart

Month-by-Month Timeline

MonthActivities
January Start Indoors Direct Sow
February Transplant Outdoors Direct Sow
March
April
May Harvest
June Harvest
July Harvest
August
September
October Fall Sowing
November Fall Sowing
December

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

90–150 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 9a

📆 Growing Season

307 days in Glynn County

Growing Tips for Glynn County

Start seeds indoors 10-12 weeks before last frost. Transplant into trenches and hill soil around stems as they grow to increase the white portion. Harvest as needed.

Companion Planting

Good Companions

Avoid Planting Near

  • Peas
  • Green Beans

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Leeks in Glynn County, GA?

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

What planting zone is Glynn County, GA?

Glynn County, Georgia is in USDA Hardiness Zone 9a. The average last spring frost is February 9 and first fall frost is December 13.

When should I plant Leeks in Glynn County, GA?

In Glynn County, GA, plant Leeks after the last frost (around February 9) and before the first frost (around December 13). Best results when soil holds above 50°F.

What growing zone is Glynn County, GA for Leeks?

Glynn County sits in USDA Zone 9a. Leeks grows reliably in zones 3a through 10b, so it's a good fit here.

Can Leeks grow in Glynn County's climate?

Yes — Leeks grows well in Glynn County's temperate climate. Glynn County averages a 308-day frost-free season, with last frost around February 9 and first frost around December 13.

🌱

Your Glynn County Garden Planner — Free

A 22-page printable planner built for Glynn 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 Glynn County, GA. Local conditions may vary. Last updated: August 2026.

Sources & credits

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