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When to Plant Bee Balm in Litchfield County, CT

Bee balm is a native perennial herb with shaggy, scarlet flower heads that attract hummingbirds, bees, and butterflies. Its leaves make an aromatic tea reminiscent of Earl Grey.

Litchfield County, Connecticut is in USDA Zone 6a. The average last spring frost is April 20 and the first fall frost is October 22, giving you a growing season of approximately 185 days.

At an elevation of 896 feet, Litchfield County receives approximately 49.4 inches of rainfall annually with predominantly silt loam soil. Summer highs average 86ยฐF, providing good warmth for Bee Balm during the growing season.

Litchfield County, CT (Zone 6a) Moderate season
185 days
Last Spring Frost April 20
185 growing days
First Fall Frost October 22

Litchfield County Soil Profile

Soil Type

Silt Loam

Soil pH

5-6.6

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (14 days to spare)
Transplant: Apr 17 🍅 Harvest: Jul 17 – Oct 2
Recommended (50%) ✓ Fits season (10 days to spare)
Transplant: Apr 27 🍅 Harvest: Jul 27 – Oct 12
Safe Start (90%) ✗ May not fit
Transplant: May 23 🍅 Harvest: Aug 22 – Nov 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
Bee Balm needs ~1,522 GDD — county provides 2,682 GDD Excellent fit

Bee Balm Planting Timeline โ€” Litchfield County, CT

Bee Balm Planting Calendar

Activity When Date Range
Transplant Outdoors April 27 Apr 27 โ€“ May 11
Harvest July 27 Jul 27 โ€“ Oct 12

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 Transplant Outdoors
June โ€”
July Harvest
August Harvest
September Harvest
October Harvest
November โ€”
December โ€”

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

90โ€“120 days

Soil pH

6 โ€“ 7

USDA Zone

Zone 6a

Growing Season

185 days

Growing Tips for Litchfield County

Start from seed, divisions, or transplants. Provide good air circulation to prevent powdery mildew. Deadhead spent flowers for reblooming. Divide clumps every 3 years.

Companion Planting

Good Companions

Level Up Your Garden

Frequently Asked Questions

When should I plant Bee Balm in Litchfield County, CT?

Litchfield County is in Zone 6a with an average last frost of April 20. Plan your Bee Balm planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Litchfield County, CT?

Litchfield County, Connecticut is in USDA Hardiness Zone 6a. The average last spring frost is April 20 and first fall frost is October 22.

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Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Litchfield County gardeners in Zone 6a 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 Litchfield County, CT. Local conditions may vary. Last updated: April 2026.