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When to plant Basil in Chatham County, GA

In Chatham County, plant Basil in spring between March 12 and April 2, once soil temps hold above 50°F. Chatham County's last frost averages March 5, so aim for a steady week of warm soil before planting. For a fall crop, sow between and — roughly 50–75 days before the first frost on November 23.

When to Plant Basil in Chatham County, GA

Basil

Basil is a fragrant warm-season herb essential to Italian and Thai cuisines. It comes in many varieties including sweet, Thai, purple, and lemon types.

Chatham County, Georgia is in USDA Zone 9a. The average last spring frost is March 5 and the first fall frost is November 23, giving you a growing season of approximately 263 days.

At an elevation of 398 feet, Chatham County receives approximately 51.2 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 91°F, providing good warmth for Basil during the growing season. Sandy soil warms quickly in spring — great for early planting — but Basil will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Basil root diseases.

Chatham County, GA (Zone 9a) Long season
263 days
Last Spring Frost March 5
263 growing days
First Fall Frost November 23

Chatham County Soil Profile

Soil Type

Sandy Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Basil Planting Timeline — Chatham County, GA

Basil Planting Calendar

Activity When Date Range
Start Indoors January 22 Jan 22 – Feb 5
Transplant Outdoors March 12 Mar 12 – Mar 26
Direct Sow March 12 Mar 12 – Apr 2
Harvest May 7 May 7 – Jul 9

Plant 0.5" deep · 8" apart · Rows 12" apart

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

50–75 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 9a

📆 Growing Season

263 days in Chatham County

Growing Tips for Chatham County

Start seeds indoors or direct sow after last frost. Pinch flower buds to extend leaf production. Harvest leaves from the top down, cutting just above a leaf pair.

Companion Planting

Good Companions

Avoid Planting Near

  • Rue
  • Sage

Check more plant combinations with our Companion Planting Checker →

🌾 Save Your Own Basil Seeds
Life Cycle Annual
Pollination Self-Pollinating
How to Collect Let flower spikes dry brown on the plant.
Storage Store airtight; viable 5 years at 35°F, under 45% humidity.

Isolate 150 ft between varieties. Different basil species can cross.

Frequently Asked Questions

When should I plant Basil in Chatham County, GA?

Chatham County is in Zone 9a with an average last frost of March 5. Plan your Basil planting based on this frost date — see the calendar above for exact timing.

What planting zone is Chatham County, GA?

Chatham County, Georgia is in USDA Hardiness Zone 9a. The average last spring frost is March 5 and first fall frost is November 23.

When should I plant Basil in Chatham County, GA?

In Chatham County, GA, plant Basil after the last frost (around March 5) and before the first frost (around November 23). Best results when soil holds above 50°F.

What growing zone is Chatham County, GA for Basil?

Chatham County sits in USDA Zone 9a. Basil grows reliably in zones 4a through 11b, so it's a good fit here.

Can Basil grow in Chatham County's climate?

Yes — Basil grows well in Chatham County's temperate climate. Chatham County averages a 263-day frost-free season, with last frost around March 5 and first frost around November 23.

🌱

Your Chatham County Garden Planner — Free

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

Sources & credits

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