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When to Plant Lemon Balm in Troup County, GA

Lemon balm is a vigorous perennial herb with bright green, lemon-scented leaves. It makes a refreshing tea and is easy to grow but can spread aggressively.

Troup County, Georgia is in USDA Zone 7b. The average last spring frost is March 27 and the first fall frost is November 3, giving you a growing season of approximately 221 days.

At an elevation of 489 feet, Troup County receives approximately 54.3 inches of rainfall annually with predominantly clay loam soil. Summer highs average 88ยฐF, providing good warmth for Lemon Balm during the growing season. Clay soil retains moisture well for Lemon Balm, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Lemon Balm root diseases.

Troup County, GA (Zone 7b) Long season
221 days
Last Spring Frost March 27
221 growing days
First Fall Frost November 3

Troup County Soil Profile

Soil Type

Clay Loam

Soil pH

5.7-6.3

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (101 days to spare)
Transplant: Mar 30 🍅 Harvest: Jun 1 – Jul 20
Recommended (50%) ✓ Fits season (102 days to spare)
Transplant: Apr 3 🍅 Harvest: Jun 5 – Jul 24
Safe Start (90%) ✓ Fits season (95 days to spare)
Transplant: Apr 24 🍅 Harvest: Jun 26 – 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
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Lemon Balm needs ~1,040 GDD — county provides 3,536 GDD Excellent fit

Lemon Balm Planting Timeline โ€” Troup County, GA

Lemon Balm Planting Calendar

Activity When Date Range
Transplant Outdoors April 3 Apr 3 โ€“ Apr 17
Harvest June 5 Jun 5 โ€“ Jul 24

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

Month-by-Month Timeline

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

Growing Conditions

Sun

Partial Shade (3-6 hours)

Water

Moderate โ€” regular watering

Days to Maturity

60โ€“70 days

Soil pH

5.5 โ€“ 7.5

USDA Zone

Zone 7b

Growing Season

221 days

Growing Tips for Troup County

Start from seed, cuttings, or divisions. Contain in pots or use barriers to prevent spreading. Harvest frequently to keep plants bushy and prevent flowering.

Companion Planting

Good Companions

Level Up Your Garden

Frequently Asked Questions

When should I plant Lemon Balm in Troup County, GA?

Troup County is in Zone 7b with an average last frost of March 27. Plan your Lemon Balm planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Troup County, GA?

Troup County, Georgia is in USDA Hardiness Zone 7b. The average last spring frost is March 27 and first fall frost is November 3.

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Plan Your Garden with Confidence

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