When to Plant Lima Bean in Grand Portage, Minnesota (55605)
Location
Grand Portage, Minnesota
ZIP Code
55605
USDA Zone
4b
Last Frost
Tuesday, May 5, 2026
📅 Planting Calendar
Pro Tip: Sow Lima Bean directly outdoors around your last frost date when soil starts to warm.
🌿 Plant Details
☀️ Growing Requirements
☀️
Sun
Full Sun (6-8 hours)
💧
Water
Regular (1 inch/week)
↔️
Spacing
6" apart
🌱
Planting Depth
1" deep
Seeds typically germinate in 7-14 days
Ready to Plant Lima Bean in Grand Portage?
Get your seeds now so they're ready by Tuesday, May 5, 2026.
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🤝 Good Companions
⚠️ Avoid Planting Near
Other Plants for Grand Portage
Growing Lima Bean in Zone 4b
Lima Bean (Phaseolus lunatus) is a popular garden vegetable. In Grand Portage, Minnesota, which is in USDA Hardiness Zone 4b, you should direct sow seeds around Tuesday, May 5, 2026.
Your average last frost date is Tuesday, May 5, 2026. Lima Bean grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.