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When to Plant Potato 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 Potato directly outdoors 4 weeks before your last frost date.

🌿 Plant Details

Scientific Name Solanum tuberosum
Days to Maturity 90 days
Mature Height 18-24"
Spread 12"
Type Tuber
Fruit Size Variable

☀️ Growing Requirements

☀️

Sun

Full Sun (6+ hours)

💧

Water

Regular (1-2 inches/week)

↔️

Spacing

12" apart

🌱

Planting Depth

4" deep

Seeds typically germinate in 8-21 days

Ready to Plant Potato in Isabella?

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

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🤝 Good Companions

BeanCornBrassicasHorseradishMarigold

⚠️ Avoid Planting Near

TomatoCucumberSquashSunflower

Other Plants for Isabella

Growing Potato in Zone 3b

Potato (Solanum tuberosum) 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. Potato grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.