Blog

When to plant Cumin in Glynn County, GA

Glynn County gardeners should plant Cumin between January 19 and February 9 in spring. With Glynn County's Zone 9a climate (last frost February 9), Cumin needs 100–120 days to mature — plant by August 15 for a full harvest. A second sowing from October 18 to November 1 extends the harvest into fall.

When to Plant Cumin in Glynn County, GA

Cumin is a warm-season annual herb whose seeds are one of the most widely used spices globally. It requires a long, hot growing season of 3-4 months.

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 Cumin may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring — great for early planting — but Cumin will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Cumin 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

Cumin Planting Timeline — Glynn County, GA

Cumin Planting Calendar

Activity When Date Range
Start Indoors January 12 Jan 12 – Jan 26
Transplant Outdoors February 2 Feb 2 – Feb 16
Direct Sow January 19 Jan 19 – Feb 9
Harvest May 18 May 18 – Jul 20
Fall Sowing October 18 Oct 18 – Nov 1

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

Low — drought tolerant

📅 Days to Maturity

100–120 days

🧪 Soil pH

Needs 6–8 · Your soil: N/A

🗺️ USDA Zone

Zone 9a

📆 Growing Season

307 days in Glynn County

Growing Tips for Glynn County

Start seeds indoors 4 weeks before last frost. Transplant after all danger of frost. Harvest when seed heads turn brown. Requires consistent warmth for proper seed development.

Companion Planting

Good Companions

Avoid Planting Near

  • Fennel

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Cumin in Glynn County, GA?

Glynn County is in Zone 9a with an average last frost of February 9. Plan your Cumin 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 Cumin in Glynn County, GA?

In Glynn County, GA, plant Cumin 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 Cumin?

Glynn County sits in USDA Zone 9a. Cumin grows reliably in zones 5a through 11b, so it's a good fit here.

Can Cumin grow in Glynn County's climate?

Yes — Cumin 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.

Instant PDF download. No spam, unsubscribe any time.

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: July 2026.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.