When to Plant Pumpkin in Isabella, Minnesota (55607)
Location
Isabella, Minnesota
ZIP Code
55607
USDA Zone
3b
Last Frost
Wednesday, May 20, 2026
📅 Planting Calendar
Pro Tip: Sow Pumpkin directly outdoors 6 weeks before your last frost date.
🌿 Plant Details
☀️ Growing Requirements
☀️
Sun
Full Sun (6-8 hours)
💧
Water
Regular (1 inch/week)
↔️
Spacing
60" apart
🌱
Planting Depth
1" deep
Seeds typically germinate in 5-10 days
Ready to Plant Pumpkin in Isabella?
Get your seeds now so they're ready by Wednesday, April 8, 2026.
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🤝 Good Companions
⚠️ Avoid Planting Near
Other Plants for Isabella
Growing Pumpkin in Zone 3b
Pumpkin (Cucurbita maxima) is a popular garden vegetable. In Isabella, Minnesota, which is in USDA Hardiness Zone 3b, you should direct sow seeds around Wednesday, April 8, 2026.
Your average last frost date is Wednesday, May 20, 2026. Pumpkin grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.