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When to Plant Sunflower in Dougherty County, GA

Sunflowers are tall, cheerful annuals grown for their edible seeds and as pollinator magnets. They come in sizes from 2-foot dwarfs to 12-foot giants.

Dougherty County, Georgia is in USDA Zone 8a. The average last spring frost is March 7 and the first fall frost is November 18, giving you a growing season of approximately 256 days.

At an elevation of 269 feet, Dougherty County receives approximately 54.6 inches of rainfall annually with predominantly clay loam soil. Summer highs average 96ยฐF, so Sunflower may need afternoon shade and extra watering during peak heat. Clay soil retains moisture well for Sunflower, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Sunflower root diseases.

Dougherty County, GA (Zone 8a) Long season
256 days
Last Spring Frost March 7
256 growing days
First Fall Frost November 18

Dougherty County Soil Profile

Soil Type

Clay Loam

Soil pH

5.4-6.2

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (123 days to spare)
Start indoors: Jan 10 Transplant: Mar 14 🍅 Harvest: May 23 – Jul 11
Recommended (50%) ✓ Fits season (123 days to spare)
Start indoors: Jan 17 Transplant: Mar 21 🍅 Harvest: May 30 – Jul 18
Safe Start (90%) ✓ Fits season (119 days to spare)
Start indoors: Feb 5 Transplant: Apr 9 🍅 Harvest: Jun 18 – Aug 6

Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.

Plant Water Budget

Plant needs
0.5″/week
Rainfall provides
0.9″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Sunflower needs ~1,870 GDD — county provides 5,632 GDD Excellent fit

Sunflower Planting Timeline โ€” Dougherty County, GA

Sunflower Planting Calendar

Activity When Date Range
Start Indoors January 17 Jan 17 โ€“ Jan 31
Transplant Outdoors March 21 Mar 21 โ€“ Apr 4
Direct Sow March 14 Mar 14 โ€“ Apr 4
Harvest May 30 May 30 โ€“ Jul 18

Plant 1" deep ยท 18" apart ยท Rows 30" apart

Month-by-Month Timeline

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

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Low โ€” drought tolerant

Days to Maturity

70โ€“100 days

Soil pH

6 โ€“ 7.5

USDA Zone

Zone 8a

Growing Season

256 days

Growing Tips for Dougherty County

Direct sow after last frost. Stake tall varieties in windy areas. Harvest seed heads when the back turns brown and seeds are plump. Dry heads upside down.

Companion Planting

Good Companions

Avoid Planting Near

  • Potatoes

Level Up Your Garden

Frequently Asked Questions

When should I plant Sunflower in Dougherty County, GA?

Dougherty County is in Zone 8a with an average last frost of March 7. Plan your Sunflower planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Dougherty County, GA?

Dougherty County, Georgia is in USDA Hardiness Zone 8a. The average last spring frost is March 7 and first fall frost is November 18.

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Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Dougherty County gardeners in Zone 8a organize planting dates, track what's growing, and never miss a planting window.

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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 Dougherty County, GA. Local conditions may vary. Last updated: April 2026.