When to Plant Lemon Balm in National Mine, Michigan (49865)

Location

National Mine, Michigan

ZIP Code

49865

USDA Zone

Last Frost

Tuesday, May 5, 2026

📅 Planting Calendar

Start Seeds Indoors Tuesday, March 24, 2026

Transplant Outdoors Tuesday, May 19, 2026

Pro Tip: Start Lemon Balm seeds indoors 6 weeks before your last frost date, then transplant outdoors around Tuesday, May 19, 2026.

🌿 Plant Details

Scientific Name Melissa officinalis

Days to Maturity 70 days

Mature Height 18-36"

Spread 24"

Type Spreading

Fruit Size N/A

☀️ Growing Requirements

☀️

Sun

Partial Shade to Full Sun

💧

Water

Regular (keep moist)

↔️

Spacing

18" apart

🌱

Planting Depth

0.125" deep

Seeds typically germinate in 10-14 days

Ready to Plant Lemon Balm in National Mine?

Get your seeds now so they're ready by Tuesday, March 24, 2026.

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Growing Lemon Balm in Zone 4b

Lemon Balm (Melissa officinalis) is a popular garden vegetable. In National Mine, Michigan, which is in USDA Hardiness Zone 4b, you should start seeds indoors around Tuesday, March 24, 2026.

Your average last frost date is Tuesday, May 5, 2026. Plan to transplant your Lemon Balm seedlings outdoors around Tuesday, May 19, 2026, about 2 weeks after your last frost date.