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

Location

Biwabik, Minnesota

ZIP Code

55708

USDA Zone

3b

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 for best results.

🌿 Plant Details

Scientific Name Melissa officinalis
Days to Maturity 70 days

☀️ Growing Requirements

☀️

Sun

Full Sun

💧

Water

Regular

Seeds typically germinate in 7-14 days

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Other Plants for Biwabik

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.