When to Plant Lemon Balm in Biwabik, Minnesota (55708)

Location

Biwabik, Minnesota

ZIP Code

55708

USDA Zone

Last Frost

Wednesday, May 20, 2026

📅 Planting Calendar

Start Seeds Indoors Wednesday, April 8, 2026

Transplant Outdoors Wednesday, June 3, 2026

Pro Tip: Start Lemon Balm seeds indoors 6 weeks before your last frost date, then transplant outdoors around Wednesday, June 3, 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 Biwabik?

Get your seeds now so they're ready by Wednesday, April 8, 2026.

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Growing Lemon Balm in Zone 3b

Lemon Balm (Melissa officinalis) is a popular garden vegetable. In Biwabik, Minnesota, which is in USDA Hardiness Zone 3b, you should start seeds indoors around Wednesday, April 8, 2026.

Your average last frost date is Wednesday, May 20, 2026. Plan to transplant your Lemon Balm seedlings outdoors around Wednesday, June 3, 2026, about 2 weeks after your last frost date.