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When to Plant Potato in Marine On Saint Croix, Minnesota (55047)

Location

Marine On Saint Croix, Minnesota

ZIP Code

55047

USDA Zone

4b

Last Frost

Tuesday, May 5, 2026

📅 Planting Calendar

Direct Sow Outdoors Tuesday, April 7, 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 Marine On Saint Croix?

Get your seeds now so they're ready by Tuesday, April 7, 2026.

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🤝 Good Companions

BeanCornBrassicasHorseradishMarigold

⚠️ Avoid Planting Near

TomatoCucumberSquashSunflower

Other Plants for Marine On Saint Croix

Growing Potato in Zone 4b

Potato (Solanum tuberosum) is a popular garden vegetable. In Marine On Saint Croix, Minnesota, which is in USDA Hardiness Zone 4b, you should direct sow seeds around Tuesday, April 7, 2026.

Your average last frost date is Tuesday, May 5, 2026. Potato grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.