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When to plant Bee Balm in Davis County, IA

In Davis County, Bee Balm is a single-season spring crop — there's no second fall window. Plant April 26–May 10 for an 90–120-day harvest, finishing well before the October 16 first frost.

When to Plant Bee Balm in Davis County, IA

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.

Davis County, Iowa is in USDA Zone 5b. The average last spring frost is April 19 and the first fall frost is October 16, giving you a growing season of approximately 180 days.

At an elevation of 859 feet, Davis County receives approximately 30.3 inches of rainfall annually with predominantly silt loam soil. Summer highs average 85°F, providing good warmth for Bee Balm during the growing season.

Davis County, IA (Zone 5b) Moderate season
180 days
Last Spring Frost April 19
180 growing days
First Fall Frost October 16

Davis County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Bee Balm Planting Timeline — Davis County, IA

Bee Balm Planting Calendar

Activity When Date Range
Transplant Outdoors April 26 Apr 26 – May 10
Harvest July 26 Jul 26 – Oct 11

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

Month-by-Month Timeline

MonthActivities
January
February
March
April Transplant Outdoors
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 5b

📆 Growing Season

180 days in Davis County

Growing Tips for Davis 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 Davis County, IA?

Davis County is in Zone 5b with an average last frost of April 19. Plan your Bee Balm planting based on this frost date — see the calendar above for exact timing.

What planting zone is Davis County, IA?

Davis County, Iowa is in USDA Hardiness Zone 5b. The average last spring frost is April 19 and first fall frost is October 16.

When should I plant Bee Balm in Davis County, IA?

In Davis County, IA, plant Bee Balm after the last frost (around April 19) and before the first frost (around October 16). Best results when soil holds above 50°F.

What growing zone is Davis County, IA for Bee Balm?

Davis County sits in USDA Zone 5b. Bee Balm grows reliably in zones 3a through 9b, so it's a good fit here.

Can Bee Balm grow in Davis County's climate?

Yes — Bee Balm grows well in Davis County's temperate climate. Davis County averages a 180-day frost-free season, with last frost around April 19 and first frost around October 16.

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Your Davis County Garden Planner — Free

A 22-page printable planner built for Davis County (Zone 5b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

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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 Davis County, IA. Local conditions may vary. Last updated: June 2026.

Sources & credits

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