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When to Plant Zucchini in Barrow 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.

Barrow County, Georgia is in USDA Zone 7b. The average last spring frost is March 23 and the first fall frost is November 13, giving you a growing season of approximately 235 days.

At an elevation of 438 feet, Barrow County receives approximately 60.5 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.

Barrow County, GA (Zone 7b) Long season
235 days
Last Spring Frost March 23
235 growing days
First Fall Frost November 13

Barrow County Soil Profile

Soil Type

Clay Loam

Soil pH

5.3-6.7

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (116 days to spare)
Start indoors: Feb 14 Transplant: Mar 28 🍅 Harvest: May 16 – Jul 11
Recommended (50%) ✓ Fits season (116 days to spare)
Start indoors: Feb 23 Transplant: Apr 6 🍅 Harvest: May 25 – Jul 20
Safe Start (90%) ✓ Fits season (115 days to spare)
Start indoors: Mar 13 Transplant: Apr 24 🍅 Harvest: Jun 12 – Aug 7

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
1.1″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Zucchini needs ~1,037 GDD — county provides 4,641 GDD Excellent fit

Zucchini Planting Timeline โ€” Barrow County, GA

Zucchini Planting Calendar

Activity When Date Range
Start Indoors February 23 Feb 23 โ€“ Mar 9
Transplant Outdoors April 6 Apr 6 โ€“ Apr 20
Direct Sow March 30 Mar 30 โ€“ Apr 20
Harvest May 25 May 25 โ€“ Jul 20

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

Month-by-Month Timeline

MonthActivities
January โ€”
February Start Indoors
March Start Indoors 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

Moderate โ€” regular watering

Days to Maturity

45โ€“60 days

Soil pH

6 โ€“ 7.5

USDA Zone

Zone 7b

Growing Season

235 days

Growing Tips for Barrow 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 Barrow County, GA?

Barrow County is in Zone 7b with an average last frost of March 23. Plan your Zucchini planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Barrow County, GA?

Barrow County, Georgia is in USDA Hardiness Zone 7b. The average last spring frost is March 23 and first fall frost is November 13.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Barrow 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 Barrow County, GA. Local conditions may vary. Last updated: April 2026.