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When to Plant Ground Cherry in Gwinnett County, GA

Ground cherries produce small, sweet, tropical-tasting berries enclosed in papery husks. They are related to tomatillos and cape gooseberries and self-sow readily.

Gwinnett County, Georgia is in USDA Zone 7b. The average last spring frost is March 22 and the first fall frost is November 13, giving you a growing season of approximately 236 days.

At an elevation of 127 feet, Gwinnett County receives approximately 55.9 inches of rainfall annually with predominantly clay loam soil. Summer highs average 88ยฐF, providing good warmth for Ground Cherry during the growing season. Clay soil retains moisture well for Ground Cherry, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Ground Cherry root diseases.

Gwinnett County, GA (Zone 7b) Long season
236 days
Last Spring Frost March 22
236 growing days
First Fall Frost November 13

Gwinnett County Soil Profile

Soil Type

Clay Loam

Soil pH

5.6-6.6

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (90 days to spare)
Transplant: Apr 1 🍅 Harvest: Jun 10 – Aug 5
Recommended (50%) ✓ Fits season (89 days to spare)
Transplant: Apr 12 🍅 Harvest: Jun 21 – Aug 16
Safe Start (90%) ✓ Fits season (88 days to spare)
Transplant: Apr 30 🍅 Harvest: Jul 9 – Sep 3

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 11 gal / 100 sq ft
Ground Cherry needs ~1,160 GDD — county provides 3,776 GDD Excellent fit

Ground Cherry Planting Timeline โ€” Gwinnett County, GA

Ground Cherry Planting Calendar

Activity When Date Range
Transplant Outdoors April 12 Apr 12 โ€“ Apr 26
Harvest June 21 Jun 21 โ€“ Aug 16

Plant 1" deep ยท 15" apart ยท Rows 24" apart

Month-by-Month Timeline

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

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

65โ€“80 days

Soil pH

6 โ€“ 7.5

USDA Zone

Zone 7b

Growing Season

236 days

Growing Tips for Gwinnett County

Start seeds indoors 6-8 weeks before last frost. Let fruits fall to the ground naturally when ripe inside their husks. The husk turns brown and papery when the fruit is ready.

Companion Planting

Good Companions

Avoid Planting Near

  • Fennel

Level Up Your Garden

Frequently Asked Questions

When should I plant Ground Cherry in Gwinnett County, GA?

Gwinnett County is in Zone 7b with an average last frost of March 22. Plan your Ground Cherry planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Gwinnett County, GA?

Gwinnett County, Georgia is in USDA Hardiness Zone 7b. The average last spring frost is March 22 and first fall frost is November 13.

๐ŸŒฑ

Plan Your Garden with Confidence

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