When to Plant Mint in Black River, Michigan (48721)
Location
Black River, Michigan
ZIP Code
48721
USDA Zone
6a
Last Frost
Monday, April 20, 2026
📅 Planting Calendar
Pro Tip: Sow Mint directly outdoors 4 weeks before your last frost date.
🌿 Plant Details
☀️ 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 Black River?
Get your seeds now so they're ready by Monday, March 23, 2026.
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🤝 Good Companions
⚠️ Avoid Planting Near
Other Plants for Black River
Growing Mint in Zone 6a
Mint (Mentha spicata) is a popular garden vegetable. In Black River, Michigan, which is in USDA Hardiness Zone 6a, you should direct sow seeds around Monday, March 23, 2026.
Your average last frost date is Monday, April 20, 2026. Mint grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.