Blog

When to Plant Bee Balm in Mifflin County, PA

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.

Mifflin County, Pennsylvania is in USDA Zone 7a. The average last spring frost is April 24 and the first fall frost is October 22, giving you a growing season of approximately 181 days.

At an elevation of 1,022 feet, Mifflin County receives approximately 45.7 inches of rainfall annually with predominantly silt loam soil. Summer highs average 87°F, providing good warmth for Bee Balm during the growing season.

Mifflin County, PA (Zone 7a) Moderate season
181 days
Last Spring Frost April 24
181 growing days
First Fall Frost October 22

Mifflin County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Bee Balm Planting Timeline — Mifflin County, PA

Bee Balm Planting Calendar

Activity When Date Range
Transplant Outdoors May 1 May 1 – May 15
Harvest July 31 Jul 31 – Oct 16

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

90–120 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 7a

📆 Growing Season

181 days in Mifflin County

Growing Tips for Mifflin 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

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Bee Balm in Mifflin County, PA?

Mifflin County is in Zone 7a with an average last frost of April 24. Plan your Bee Balm planting based on this frost date — see the calendar above for exact timing.

What planting zone is Mifflin County, PA?

Mifflin County, Pennsylvania is in USDA Hardiness Zone 7a. The average last spring frost is April 24 and first fall frost is October 22.

🌱

Your Mifflin County Garden Planner — Free

A 22-page printable planner built for Mifflin County (Zone 7a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

Instant PDF download. No spam, unsubscribe any time.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Mifflin County, PA. Local conditions may vary. Last updated: June 2026.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.