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When to Plant Mint in Isabella, Minnesota (55607)

Location

Isabella, Minnesota

ZIP Code

55607

USDA Zone

3b

Last Frost

Wednesday, May 20, 2026

📅 Planting Calendar

Direct Sow Outdoors Wednesday, April 22, 2026

Pro Tip: Sow Mint directly outdoors 4 weeks before your last frost date.

🌿 Plant Details

Scientific Name Mentha spicata
Days to Maturity 90 days
Mature Height 12-24"
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

0.25" deep

Seeds typically germinate in 10-15 days

Ready to Plant Mint in Isabella?

Get your seeds now so they're ready by Wednesday, April 22, 2026.

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🤝 Good Companions

CabbageTomatoPea

⚠️ Avoid Planting Near

ParsleyChamomile

Other Plants for Isabella

Growing Mint in Zone 3b

Mint (Mentha spicata) is a popular garden vegetable. In Isabella, Minnesota, which is in USDA Hardiness Zone 3b, you should direct sow seeds around Wednesday, April 22, 2026.

Your average last frost date is Wednesday, May 20, 2026. Mint grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.