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When to Plant Bee Balm in St. Landry Parish, LA

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.

St. Landry Parish, Louisiana is in USDA Zone 8b. The average last spring frost is February 19 and the first fall frost is December 1, giving you a growing season of approximately 285 days.

At an elevation of 370 feet, St. Landry Parish receives approximately 59.8 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 97ยฐF, so Bee Balm may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring โ€” great for early planting โ€” but Bee Balm will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Bee Balm root diseases.

St. Landry Parish, LA (Zone 8b) Year-round
285 days
Last Spring Frost February 19
285 growing days
First Fall Frost December 1

St. Landry Parish Soil Profile

Soil Type

Sandy Loam

Soil pH

4.8-6

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (111 days to spare)
Transplant: Feb 14 🍅 Harvest: May 16 – Aug 1
Recommended (50%) ✓ Fits season (110 days to spare)
Transplant: Feb 26 🍅 Harvest: May 28 – Aug 13
Safe Start (90%) ✓ Fits season (104 days to spare)
Transplant: Mar 18 🍅 Harvest: Jun 17 – Sep 2

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
0.9″/week
You supply
0.1″/week
Watering frequency Only during dry spells
Season total 310 gal / 100 sq ft
Bee Balm needs ~2,389 GDD — county provides 6,506 GDD Excellent fit

Bee Balm Planting Timeline โ€” St. Landry Parish, LA

Bee Balm Planting Calendar

Activity When Date Range
Transplant Outdoors February 26 Feb 26 โ€“ Mar 12
Harvest May 28 May 28 โ€“ Aug 13

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

Month-by-Month Timeline

MonthActivities
January โ€”
February Transplant Outdoors
March Transplant Outdoors
April โ€”
May Harvest
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

90โ€“120 days

Soil pH

6 โ€“ 7

USDA Zone

Zone 8b

Growing Season

285 days

Growing Tips for St. Landry Parish

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 St. Landry Parish, LA?

St. Landry Parish is in Zone 8b with an average last frost of February 19. Plan your Bee Balm planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is St. Landry Parish, LA?

St. Landry Parish, Louisiana is in USDA Hardiness Zone 8b. The average last spring frost is February 19 and first fall frost is December 1.

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Plan Your Garden with Confidence

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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 St. Landry Parish, LA. Local conditions may vary. Last updated: April 2026.