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When to Plant Zucchini in Henry County, GA

Zucchini is an incredibly prolific summer squash that can produce an abundance of fruit from just a few plants. It is versatile in the kitchen from grilling to baking.

Henry County, Georgia is in USDA Zone 7b. The average last spring frost is March 25 and the first fall frost is November 8, giving you a growing season of approximately 228 days.

At an elevation of 379 feet, Henry County receives approximately 52.8 inches of rainfall annually with predominantly clay loam soil. Summer highs average 93ยฐF, providing good warmth for Zucchini during the growing season. Clay soil retains moisture well for Zucchini, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Zucchini root diseases.

Henry County, GA (Zone 7b) Long season
228 days
Last Spring Frost March 25
228 growing days
First Fall Frost November 8

Henry County Soil Profile

Soil Type

Clay Loam

Soil pH

5.6-6.7

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (112 days to spare)
Start indoors: Feb 15 Transplant: Mar 29 🍅 Harvest: May 17 – Jul 12
Recommended (50%) ✓ Fits season (109 days to spare)
Start indoors: Feb 25 Transplant: Apr 8 🍅 Harvest: May 27 – Jul 22
Safe Start (90%) ✓ Fits season (108 days to spare)
Start indoors: Mar 20 Transplant: May 1 🍅 Harvest: Jun 19 – Aug 14

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
1.0″/week
Rainfall provides
1.0″/week
You supply
0.0″/week
Watering frequency Only during dry spells
Season total 67 gal / 100 sq ft
Drought risk

Water stress score is 6/10 โ€” consider drought-tolerant varieties and mulching

Zucchini needs ~1,037 GDD — county provides 4,503 GDD Excellent fit

Zucchini Planting Timeline โ€” Henry County, GA

Zucchini Planting Calendar

Activity When Date Range
Start Indoors February 25 Feb 25 โ€“ Mar 11
Transplant Outdoors April 8 Apr 8 โ€“ Apr 22
Direct Sow April 1 Apr 1 โ€“ Apr 22
Harvest May 27 May 27 โ€“ Jul 22

Plant 1" deep ยท 30" apart ยท Rows 42" apart

Month-by-Month Timeline

MonthActivities
January โ€”
February Start Indoors
March Start Indoors
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

Moderate โ€” regular watering

Days to Maturity

45โ€“60 days

Soil pH

6 โ€“ 7.5

USDA Zone

Zone 7b

Growing Season

228 days

Growing Tips for Henry County

Direct sow after last frost. Harvest when fruits are 6-8 inches long for best flavor and texture. Check plants daily in summer as fruits can double in size overnight.

Companion Planting

Good Companions

Avoid Planting Near

  • Potatoes

Level Up Your Garden

Frequently Asked Questions

When should I plant Zucchini in Henry County, GA?

Henry County is in Zone 7b with an average last frost of March 25. Plan your Zucchini planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Henry County, GA?

Henry County, Georgia is in USDA Hardiness Zone 7b. The average last spring frost is March 25 and first fall frost is November 8.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Henry County gardeners in Zone 7b 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 Henry County, GA. Local conditions may vary. Last updated: April 2026.