When to Plant Sorrel in Iron, Minnesota (55751)
Location
Iron, Minnesota
ZIP Code
55751
USDA Zone
3b
Last Frost
Wednesday, May 20, 2026
📅 Planting Calendar
Pro Tip: Sow Sorrel directly outdoors 4 weeks before your last frost date.
🌿 Plant Details
☀️ Growing Requirements
☀️
Sun
Partial to Full Sun (4-6 hours)
💧
Water
Moderate (1 inch/week)
↔️
Spacing
12" apart
🌱
Planting Depth
0.5" deep
Seeds typically germinate in 7-14 days
Ready to Plant Sorrel in Iron?
Get your seeds now so they're ready by Wednesday, April 22, 2026.
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🤝 Good Companions
⚠️ Avoid Planting Near
Other Plants for Iron
Growing Sorrel in Zone 3b
Sorrel (Rumex acetosa) is a popular garden vegetable. In Iron, 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. Sorrel grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.